Water Resources of the United States
Boundary Descriptions and Names of Regions, Subregions, Accounting Units and Cataloging UnitsPlease note: Alaskan HUC numbers have changed since publication of WSP 2294. The list is not current for Alaska.
Boundary Descriptions and Names of Regions, Subregions,
Accounting Units and Cataloging Units
Region 01 New England Region -- The drainage within the United States
that ultimately discharges into: (a) the Bay of Fundy; (b)
the Atlantic Ocean within and between the states of Maine
and Connecticut; (c) Long Island Sound north of the New
York-Connecticut state line; and (d) the Riviere St. Francois,
a tributary of the St. Lawrence River. Includes all of Maine,
New Hampshire and Rhode Island and parts of Connecticut,
Massachusetts, New York, and Vermont.
Subregion 0101 -- St. John: The St. John River Basin within the
United States. Maine.
Area = 7330 sq.mi.
Accounting Unit 010100 -- St. John. Maine.
Area = 7330 sq.mi.
Cataloging Units 01010001 -- Upper St. John. Maine.
Area = 2120 sq.mi.
01010002 -- Allagash. Maine.
Area = 1250 sq.mi.
01010003 -- Fish. Maine.
Area = 908 sq.mi.
01010004 -- Aroostook. Maine.
Area = 2420 sq.mi.
01010005 -- Meduxnekeag. Maine.
Area = 634 sq.mi.
Subregion 0102 -- Penobscot: The Penobscot River Basin. Maine.
Area = 8610 sq.mi.
Accounting Unit 010200 -- Penobscot. Maine.
Area = 8610 sq.mi.
Cataloging Units 01020001 -- West Branch Penobscot. Maine.
Area = 2150 sq.mi.
01020002 -- East Branch Penobscot. Maine.
Area = 1130 sq.mi.
01020003 -- Mattawamkeag. Maine.
Area = 1510 sq.mi.
01020004 -- Piscataquis. Maine.
Area = 1460 sq.mi.
01020005 -- Lower Penobscot. Maine.
Area = 2360 sq.mi.
Subregion 0103 -- Kennebec: The Kennebec River Basin,
including part of Merrymeeting Bay. Maine.
Area = 5900 sq.mi.
Accounting Unit 010300 -- Kennebec. Maine.
Area = 5900 sq.mi.
Cataloging Units 01030001 -- Upper Kennebec. Maine.
Area = 1570 sq.mi.
01030002 -- Dead. Maine.
Area = 878 sq.mi.
01030003 -- Lower Kennebec. Maine.
Area = 3450 sq.mi.
Subregion 0104 -- Androscoggin: The Androscoggin River Basin,
including part of Merrymeeting Bay. Maine,
New Hampshire.
Area = 3530 sq.mi.
Accounting Unit 010400 -- Androscoggin. Maine, New Hampshire.
Area = 3530 sq.mi.
Cataloging Units 01040001 -- Upper Androscoggin. Maine,
New Hampshire.
Area = 1470 sq.mi.
01040002 -- Lower Androscoggin. Maine,
New Hampshire.
Area = 2060 sq.mi.
Subregion 0105 -- Maine Coastal: The coastal drainage and associated
waters from the Maine-New Brunswick international
boundary to Cape Small, Maine, including the
St. Croix River Basin within the United States.
Maine.
Area = 7130 sq.mi.
Accounting Unit 010500 -- Maine Coastal. Maine.
Area = 7130 sq.mi.
Cataloging Units 01050001 -- St. Croix. Maine.
Area = 999 sq.mi.
01050002 -- Maine Coastal. Maine.
Area = 4880 sq.mi.
01050003 -- St. George-Sheepscot. Maine.
Area = 1250 sq.mi.
Subregion 0106 -- Saco: The coastal drainage and associated waters
from Cape Small, Maine to the Merrimack River
Basin Boundary. Maine, New Hampshire,
Massachusetts.
Area = 4330 sq.mi.
Accounting Unit 010600 -- Saco. Maine, New Hampshire, Massachusetts.
Area = 4330 sq.mi.
Cataloging Units 01060001 -- Presumpscot. Maine.
Area = 1240 sq.mi.
01060002 -- Saco. Maine, New Hampshire.
Area = 1690 sq.mi.
01060003 -- Piscataqua-Salmon Falls. Maine,
New Hampshire, Massachusetts.
Area = 1400 sq.mi.
Subregion 0107 -- Merrimack: The Merrimack River Basin.
Massachusetts, New Hampshire.
Area = 4980 sq.mi.
Accounting Unit 010700 -- Merrimack. Massachusetts, New Hampshire.
Area = 4980 sq.mi.
Cataloging Units 01070001 -- Pemigewasset. New Hampshire.
Area = 1000 sq.mi.
01070002 -- Merrimack. Massachusetts,
New Hampshire.
Area = 2300 sq.mi.
01070003 -- Contoocook. New Hampshire.
Area = 757 sq.mi.
01070004 -- Nashua. Massachusetts,
New Hampshire.
Area = 525 sq.mi.
01070005 -- Concord. Massachusetts.
Area = 401 sq.mi.
Subregion 0108 -- Connecticut: The Connecticut River Basin.
Connecticut, Massachusetts, New Hampshire,
Vermont.
Area = 11100 sq.mi.
Accounting Unit 010801 -- Upper Connecticut: The Connecticut River
Basin above Vernon Dam. New Hamsphire,
Vermont.
Area = 6120 sq.mi.
Cataloging Units 01080101 -- Upper Connecticut. New Hampshire,
Vermont.
Area = 1990 sq.mi.
01080102 -- Passumpsic. Vermont.
Area = 496 sq.mi.
01080103 -- Waits. Vermont.
Area = 441 sq.mi.
01080104 -- Upper Connecticut-Mascoma.
New Hampshire, Vermont.
Area = 1460 sq.mi.
01080105 -- White. Vermont.
Area = 703 sq.mi.
01080106 -- Black-Ottauquechee. Vermont.
Area = 418 sq.mi.
01080107 -- West. Vermont.
Area = 612 sq.mi.
Accounting Unit 010802 -- Lower Connecticut: The Connecticut River
Basin below Vernon Dam. Connecticut,
Massachusetts, New Hampshire, Vermont.
Area = 4960 sq.mi.
Cataloging Units 01080201 -- Middle Connecticut. Massachusetts,
New Hampshire, Vermont.
Area = 999 sq.mi.
01080202 -- Miller. Massachusetts,
New Hampshire.
Area = 391 sq.mi.
01080203 -- Deerfield. Massachusetts, Vermont.
Area = 658 sq.mi.
01080204 -- Chicopee. Massachusetts.
Area = 725 sq.mi.
01080205 -- Lower Connecticut. Connecticut,
Massachusetts.
Area = 1090 sq.mi.
01080206 -- Westfield. Connecticut,
Massachusetts.
Area = 505 sq.mi.
01080207 -- Farmington. Connecticut,
Massachusetts.
Area = 590 sq.mi.
Subregion 0109 -- Massachusetts-Rhode Island Coastal: The coastal
drainage and associated waters from the Merrimack
River Basin boundary to and including the
Pawcatuck River Basin. Connecticut, Massachusetts,
Rhode Island.
Area = 5510 sq.mi.
Accounting Unit 010900 -- Massachusetts-Rhode Island Coastal.
Connecticut, Massachusetts, Rhode Island.
Area = 5510 sq.mi.
Cataloging Units 01090001 -- Charles. Massachusetts.
Area = 1130 sq.mi.
01090002 -- Cape Cod. Massachusetts,
Rhode Island.
Area = 2220 sq.mi.
01090003 -- Blackstone. Massachusetts,
Rhode Island.
Area = 451 sq.mi.
01090004 -- Narragansett. Massachusetts,
Rhode Island.
Area = 1330 sq.mi.
01090005 -- Pawcatuck-Wood. Connecticut,
Rhode Island.
Area = 383 sq.mi.
Subregion 0110 -- Connecticut Coastal: The coastal drainage into
Long Island Sound from the Pawcatuck River Basin
boundary to and including the Byram River Basin,
excluding the Connecticut River Basin,
and including Long Island Sound north of the
New York-Connecticut state line. Connecticut,
Massachusetts, New York, Rhode Island.
Area = 5080 sq.mi.
Accounting Unit 011000 -- Connecticut Coastal. Connecticut,
Massachusetts, New York, Rhode Island.
Area = 5080 sq.mi.
Cataloging Units 01100001 -- Quinebaug. Connecticut,
Massachusetts, Rhode Island.
Area = 729 sq.mi.
01100002 -- Shetucket. Connecticut,
Massachusetts.
Area = 517 sq.mi.
01100003 -- Thames. Connecticut.
Area = 381 sq.mi.
01100004 -- Quinnipiac. Connecticut.
Area = 516 sq.mi.
01100005 -- Housatonic. Connecticut,
Massachusetts, New York.
Area = 1930 sq.mi.
01100006 -- Saugatuck. Connecticut, New York.
Area = 436 sq.mi.
01100007 -- Long Island Sound. Connecticut.
Area = 568 sq.mi.
Subregion 0111 -- St. Francois: The Riviere St. Francois Basin within
the United States. Vermont.
Area = 590 sq.mi.
Accounting Unit 011100 -- St. Francois. Vermont.
Area = 590 sq.mi.
Cataloging Unit 01110000 -- St. Francois. Vermont.
Area = 590 sq.mi.
Region 02 Mid-Atlantic Region -- The drainage within the United States
that ultimately discharges into: (a) the Atlantic Ocean
within and between the states of New York and Virginia; (b)
Long Island Sound south of the New York-Connecticut State
Line; and (c) the Riviere Richelieu, a tributary of the St.
Lawrence River. Includes all of Delaware and New Jersey and
the District of Columbia, and parts of Connecticut, Maryland,
Massachusetts, New York, Pennsylvania, Vermont, Virginia, and
West Virginia.
Subregion 0201 -- Richelieu: The Riviere Richelieu Basin, including
Lake Champlain drainage, within the United States.
New York, Vermont.
Area = 7720 sq.mi.
Accounting Unit 020100 -- Richelieu. New York, Vermont.
Area = 7720 sq.mi.
Cataloging Units 02010001 -- Lake George. New York, Vermont.
Area = 1390 sq.mi.
02010002 -- Otter. Vermont.
Area = 1090 sq.mi.
02010003 -- Winooski. Vermont.
Area = 1220 sq.mi.
02010004 -- Ausable. New York.
Area = 1070 sq.mi.
02010005 -- Lamoille. Vermont.
Area = 1130 sq.mi.
02010006 -- Great Chazy-Saranac. New York.
Area = 1110 sq.mi.
02010007 -- Missisquoi. Vermont.
Area = 707 sq.mi.
Subregion 0202 -- Upper Hudson: The Hudson River Basin to and
including the Popolopen Brook Basin just upstream
from Bear Mountain Bridge. New Jersey, New York,
Massachusetts, Vermont.
Area = 12500 sq.mi.
Accounting Unit 020200 -- Upper Hudson. New Jersey, New York,
Massachusetts, Vermont.
Area = 12500 sq.mi.
Cataloging Units 02020001 -- Upper Hudson. New York.
Area = 1630 sq.mi.
02020002 -- Sacandaga. New York.
Area = 1050 sq.mi.
02020003 -- Hudson-Hoosic. New York,
Massachusetts, Vermont.
Area = 1880 sq.mi.
02020004 -- Mohawk. New York.
Area = 2550 sq.mi.
02020005 -- Schoharie. New York.
Area = 927 sq.mi.
02020006 -- Middle Hudson. Massachusetts,
New York.
Area = 2390 sq.mi.
02020007 -- Rondout. New Jersey, New York.
Area = 1190 sq.mi.
02020008 -- Hudson-Wappinger. New York.
Area = 928 sq.mi.
Subregion 0203 -- Lower Hudson-Long Island: The coastal drainage and
associated waters from the Byram River Basin
boundary, to the Manasquan River Basin boundary,
including the Hudson River Basin downstream from
the Popolopen Brook Basin boundary, Long Island
and Block Island Sounds south of the New York-
Connecticut state line, and Long Island.
Connecticut, New Jersey, New York.
Area = 6360 sq.mi.
Accounting Unit 020301 -- Lower Hudson: The coastal drainage and
associated waters from the Byram River
Basin boundary, to the Manasquan River
Basin boundary, including the Hudson
River Basin downstream from the Popolopen
Brook Basin boundary, and Long Island
Sound in Westchester and Bronx Counties,
New York, but excluding Long Island and
Block Island Sounds south of the New York-
Connecticut state line and Long Island.
Connecticut, New Jersey, New York.
Area = 3790 sq.mi.
Cataloging Units 02030101 -- Lower Hudson. Connecticut, New
Jersey, New York.
Area = 720 sq.mi.
02030102 -- Bronx. New York.
Area = 190 sq.mi.
02030103 -- Hackensack-Passaic. New Jersey,
New York.
Area = 1120 sq.mi.
02030104 -- Sandy Hook-Staten Island.
New Jersey, New York.
Area = 679 sq.mi.
02030105 -- Raritan. New Jersey.
Area = 1080 sq.mi.
Accounting Unit 020302 -- Long Island: Long Island and Long Island
and Block Island Sounds south of the New
York-Connecticut state line, but excluding
Long Island Sound in Westchester and Bronx
Counties, New York. New York.
Area = 2580 sq.mi.
Cataloging Units 02030201 -- Northern Long Island. New York.
Area = 915 sq.mi.
02030202 -- Southern Long Island. New York.
Area = 1660 sq.mi.
Subregion 0204 -- Delaware: The coastal drainage and associated waters
from and including the Manasquan River Basin to and
including the Delaware River Basin which includes
Delaware Bay. Delaware, Maryland, New Jersey,
New York, Pennsylvania.
Area = 15500 sq.mi.
Accounting Unit 020401 -- Upper Delaware: The Delaware River Basin
upstream from the fall line (highest tidal
effect of the Delaware River) at Trenton,
New Jersey. New Jersey, New York,
Pennsylvania.
Area = 6800 sq.mi.
Cataloging Units 02040101 -- Upper Delaware. New York,
Pennsylvania.
Area = 1180 sq.mi.
02040102 -- East Branch Delaware. New York.
Area = 828 sq.mi.
02040103 -- Lackawaxen. Pennsylvania.
Area = 587 sq.mi.
02040104 -- Middle Delaware-Mongaup-Brodhead.
New Jersey, New York, Pennsylvania.
Area = 1520 sq.mi.
02040105 -- Middle Delaware-Musconetcong. New
Jersey, Pennsylvania.
Area = 1330 sq.mi.
02040106 -- Lehigh. Pennsylvania.
Area = 1350 sq.mi.
Accounting Unit 020402 -- Lower Delaware: The Delaware River Basin
downstream from the fall line at Trenton,
New Jersey, including Delaware Bay.
Delaware, Maryland, New Jersey,
Pennsylvania.
Area = 6650 sq.mi.
Cataloging Units 02040201 -- Crosswicks-Neshaminy. New Jersey,
Pennsylvania.
Area = 521 sq.mi.
02040202 -- Lower Delaware. New Jersey,
Pennsylvania.
Area = 1050 sq.mi.
02040203 -- Schuylkill. Pennsylvania.
Area = 1900 sq.mi.
02040204 -- Delaware Bay. New Jersey.
Area = 744 sq.mi.
02040205 -- Brandywine-Christina. Delaware,
Maryland, Pennsylvania.
Area = 745 sq.mi.
02040206 -- Cohansey-Maurice. New Jersey.
Area = 1060 sq.mi.
02040207 -- Broadkill-Smyrna. Delaware.
Area = 628 sq.mi.
Accounting Unit 020403 -- New Jersey Coastal: The coastal drainage
in New Jersey from and including the
Manasquan River Basin to the Delaware Bay
drainage boundary. New Jersey.
Area = 2070 sq.mi.
Cataloging Units 02040301 -- Mullica-Toms. New Jersey
Area = 1350 sq.mi.
02040302 -- Great Egg Harbor. New Jersey.
Area = 717 sq.mi.
Subregion 0205 -- Susquehanna: The Susquehanna River Basin. Maryland,
New York, Pennsylvania.
Area = 27200 sq.mi.
Accounting Unit 020501 -- Upper Susquehanna: The Susquehanna River
Basin above the confluence with the West
Branch Susquenhanna River Basin. New York,
Pennsylvania.
Area = 11200 sq.mi.
Cataloging Units 02050101 -- Upper Susquehanna. New York,
Pennsylvania.
Area = 2260 sq.mi.
02050102 -- Chenango. New York.
Area = 1580 sq.mi.
02050103 -- Owego-Wappasening. New York,
Pennsylvania.
Area = 1040 sq.mi.
02050104 -- Tioga. New York, Pennsylvania.
Area = 1370 sq.mi.
02050105 -- Chemung. New York, Pennsylvania.
Area = 1200 sq.mi.
02050106 -- Upper Susquehanna-Tunkhannock.
Pennsylvania.
Area = 1980 sq.mi.
02050107 -- Upper Susquehanna-Lackawanna.
Pennsylvania.
Area = 1760 sq.mi.
Accounting Unit 020502 -- West Branch Susquehanna: The West Branch
Susquehanna River Basin.
Pennsylvania.
Area = 6920 sq.mi.
Cataloging Units 02050201 -- Upper West Branch Susquehanna.
Pennsylvania.
Area = 1590 sq.mi.
02050202 -- Sinnemahoning. Pennsylvania.
Area = 1020 sq.mi.
02050203 -- Middle West Branch Susquehanna.
Pennsylvania.
Area = 768 sq.mi.
02050204 -- Bald Eagle. Pennsylvania.
Area = 765 sq.mi.
02050205 -- Pine. Pennsylvania.
Area = 970 sq.mi.
02050206 -- Lower West Branch Susquehanna.
Pennsylvania.
Area = 1810 sq.mi.
Accounting Unit 020503 -- Lower Susquehanna: The Susquehanna River
Basin below the confluence with the West
Branch Susquehanna River Basin. Maryland,
Pennsylvania.
Area = 9080 sq.mi.
Cataloging Units 02050301 -- Lower Susquehanna-Penns.
Pennsylvania.
Area = 1430 sq.mi.
02050302 -- Upper Juniata. Pennsylvania.
Area = 973 sq.mi.
02050303 -- Raystown. Pennsylvania.
Area = 937 sq.mi.
02050304 -- Lower Juniata. Pennsylvania.
Area = 1450 sq.mi.
02050305 -- Lower Susquehanna-Swatara.
Pennsylvania.
Area = 1850 sq.mi.
02050306 -- Lower Susquehanna. Maryland,
Pennsylvania.
Area = 2440 sq.mi.
Subregion 0206 -- Upper Chesapeake: The Chesapeake Bay and its
tributary drainage north of the Maryland-Virginia
state line including the Pocomoke River drainage,
excluding the Susquehanna and Potomac River Basins;
and the Coastal drainage from the Delaware Bay
drainage boundary to Chincoteague Inlet on the
Delmarva Peninsula. Delaware, Maryland, Virginia,
and Pennsylvania.
Area = 8980 sq.mi.
Accounting Unit 020600 -- Upper Chesapeake. Delaware, Maryland,
Virginia, and Pennsylvania.
Area = 8980 sq.mi.
Cataloging Units 02060001 -- Upper Chesapeake Bay. Maryland.
Area = 1270 sq.mi.
02060002 -- Chester-Sassafras. Delaware,
Maryland, Pennsylvania.
Area = 1290 sq.mi.
02060003 -- Gunpowder-Patapsco. Maryland,
Pennsylvania.
Area = 1370 sq.mi.
02060004 -- Severn. Maryland.
Area = 325 sq.mi.
02060005 -- Choptank. Delaware, Maryland.
Area = 931 sq.mi.
02060006 -- Patuxent. Maryland.
Area = 922 sq.mi.
02060007 -- Blackwater-Wicomico. Delaware,
Maryland.
Area = 537 sq.mi.
02060008 -- Nanticoke. Delaware, Maryland.
Area = 821 sq.mi.
02060009 -- Pocomoke. Delaware, Maryland,
Virginia.
Area = 771 sq.mi.
02060010 -- Chincoteague. Delaware, Maryland,
Virginia.
Area = 742 sq.mi.
Subregion 0207 -- Potomac: The Potomac River Basin. District of
Columbia, Maryland, Pennsylvania, Virginia, West
Virginia.
Area = 14600 sq.mi.
Accounting Unit 020700 -- Potomac. District of Columbia, Maryland,
Pennsylvania, Virginia, West Virginia.
Area = 14600 sq.mi.
Cataloging Units 02070001 -- South Branch Potomac. West Virginia,
Virginia.
Area = 1490 sq.mi.
02070002 -- North Branch Potomac. Maryland, West
Virginia, Pennsylvania.
Area = 1360 sq.mi.
02070003 -- Cacapon-Town. Maryland,
Pennsylvania, West Virginia.
Area = 1200 sq.mi.
02070004 -- Conococheague-Opequon. Maryland,
Pennsylvania, Virginia,
West Virginia.
Area = 2250 sq.mi.
02070005 -- South Fork Shenandoah. Virginia.
Area = 1660 sq.mi.
02070006 -- North Fork Shenandoah. Virginia,
West Virginia.
Area = 1040 sq.mi.
02070007 -- Shenandoah. Virginia, West Virginia.
Area = 359 sq.mi.
02070008 -- Middle Potomac-Catoctin.
District of Columbia, Virginia,
Maryland.
Area = 1210 sq.mi.
02070009 -- Monocacy. Maryland, Pennsylvania.
Area = 962 sq.mi.
02070010 -- Middle Potomac-Anacostia-Occoquan.
District of Columbia, Maryland,
Virginia.
Area = 1280 sq.mi.
02070011 -- Lower Potomac. Maryland, Virginia.
Area = 1800 sq.mi.
Subregion 0208 -- Lower Chesapeake: The Chesapeake Bay and its
tributary drainage south of the Maryland-Virginia
state line excluding the Pocomoke River drainage;
and the Coastal drainage from Chincoteague Inlet on
the Delmarva Peninsula to the Back Bay drainage
boundary. Virginia, West Virginia.
Area = 18500 sq.mi.
Accounting Unit 020801 -- Lower Chesapeake.--The Chesapeake Bay and
its tributary drainage south of the
Maryland-Virginia state line excluding the
Pocomoke River drainage, and excluding the
James River Basin; and the Coastal drainage
from Chincoteague Inlet on the Delmarva
Peninsula to the Back Bay drainage
boundary. Virginia.
Area = 8320 sq.mi.
Cataloging Units 02080101 -- Lower Chesapeake Bay. Virginia.
Area = 1390 sq.mi.
02080102 -- Great Wicomico-Piankatank. Virginia.
Area = 605 sq.mi.
02080103 -- Rapidan-Upper Rappahannock.
Virginia.
Area = 1530 sq.mi.
02080104 -- Lower Rappahannock. Virginia.
Area = 1160 sq.mi.
02080105 -- Mattaponi. Virginia.
Area = 901 sq.mi.
02080106 -- Pamunkey. Virginia.
Area = 1450 sq.mi.
02080107 -- York. Virginia.
Area = 275 sq.mi.
02080108 -- Lynnhaven-Poquoson. Virginia.
Area = 213 sq.mi.
02080109 -- Western Lower Delmarva. Virginia.
Area = 338 sq.mi.
02080110 -- Eastern Lower Delmarva. Virginia.
Area = 457 sq.mi.
Accounting Unit 020802 -- James: The James River Basin. Virginia,
West Virginia.
Area = 10200 sq.mi.
Cataloging Units 02080201 -- Upper James. Virginia,
West Virginia.
Area = 2210 sq.mi.
02080202 -- Maury. Virginia.
Area = 818 sq.mi.
02080203 -- Middle James-Buffalo. Virginia.
Area = 1990 sq.mi.
02080204 -- Rivanna. Virginia.
Area = 758 sq.mi.
02080205 -- Middle James-Willis. Virginia.
Area = 948 sq.mi.
02080206 -- Lower James. Virginia.
Area = 1440 sq.mi.
02080207 -- Appomattox. Virginia.
Area = 1590 sq.mi.
02080208 -- Hampton Roads. Virginia.
Area = 425 sq.mi.
Region 03 South Atlantic-Gulf Region -- The drainage that ultimately
discharges into: (a) the Atlantic Ocean within and between
the states of Virginia and Florida; (b) the Gulf of Mexico
within and between the states of Florida and Louisiana; and
(c) the associated waters. Includes all of Florida and South
Carolina, and parts of Alabama, Georgia, Louisiana,
Mississippi, North Carolina, Tennessee, and Virginia.
Subregion 0301 -- Chowan-Roanoke: The coastal drainage and
associated waters from and including the Back Bay
drainage to Oregon Inlet. Virginia, North Carolina.
Area = 18300 sq.mi.
Accounting Unit 030101 -- Roanoke: The Roanoke River Basin.
North Carolina, Virginia.
Area = 9680 sq.mi.
Cataloging Units 03010101 -- Upper Roanoke. Virginia.
Area = 2180 sq.mi.
03010102 -- Middle Roanoke. North Carolina,
Virginia.
Area = 1750 sq.mi.
03010103 -- Upper Dan. North Carolina,
Virginia.
Area = 2040 sq.mi.
03010104 -- Lower Dan. North Carolina,
Virginia.
Area = 1240 sq.mi.
03010105 -- Banister. Virginia.
Area = 590 sq.mi.
03010106 -- Roanoke Rapids. North Carolina,
Virginia.
Area = 590 sq.mi.
03010107 -- Lower Roanoke. North Carolina.
Area = 1290 sq.mi.
Accounting Unit 030102 -- Albemarle-Chowan: The coastal drainage
and associated waters from and including
the Back Bay drainage to Oregon Inlet,
excluding the Roanoke River Basin.
North Carolina, Virginia.
Area = 8650 sq.mi.
Cataloging Units 03010201 -- Nottoway. North Carolina, Virginia.
Area = 1700 sq.mi.
03010202 -- Blackwater. North Carolina,
Virginia.
Area = 744 sq.mi.
03010203 -- Chowan. North Carolina, Virginia.
Area = 857 sq.mi.
03010204 -- Meherrin. North Carolina,
Virginia.
Area = 1600 sq.mi.
03010205 -- Albemarle. North Carolina,
Virginia.
Area = 3750 sq.mi.
Subregion 0302 -- Neuse-Pamlico: The coastal drainage and
associated waters from Oregon Inlet to Browns
Inlet. North Carolina.
Area = 13100 sq.mi.
Accounting Unit 030201 -- Pamlico: The coastal drainage and
associated waters from Oregon Inlet to
Browns Inlet, excluding the Neuse River
Basin. North Carolina.
Area = 7470 sq.mi.
Cataloging Units 03020101 -- Upper Tar. North Carolina.
Area = 1280 sq.mi.
03020102 -- Fishing. North Carolina
Area = 876 sq.mi.
03020103 -- Lower Tar. North Carolina.
Area = 967 sq.mi.
03020104 -- Pamlico. North Carolina
Area = 1140 sq.mi.
03020105 -- Pamlico Sound. North Carolina.
Area = 2060 sq.mi.
03020106 -- Bogue-Core Sounds. North Carolina.
Area = 1150 sq.mi.
Accounting Unit 030202 -- Neuse: The Neuse River Basin.
North Carolina.
Area = 5590 sq.mi.
Cataloging Units 03020201 -- Upper Neuse. North Carolina.
Area = 2380 sq.mi.
03020202 -- Middle Neuse. North Carolina.
Area = 1080 sq.mi.
03020203 -- Contentnea. North Carolina.
Area = 1010 sq.mi.
03020204 -- Lower Neuse. North Carolina.
Area = 1120 sq.mi.
Subregion 0303 -- Cape Fear: The coastal drainage and associated
waters from Browns Inlet to and including the Cape
Fear River Basin. North Carolina.
Area = 9700 sq.mi.
Accounting Unit 030300 -- Cape Fear. North Carolina.
Area = 9700 sq.mi.
Cataloging Units 03030001 -- New. North Carolina.
Area = 613 sq.mi.
03030002 -- Haw. North Carolina.
Area = 1690 sq.mi.
03030003 -- Deep. North Carolina.
Area = 1430 sq.mi.
03030004 -- Upper Cape Fear. North Carolina.
Area = 1630 sq.mi.
03030005 -- Lower Cape Fear. North Carolina.
Area = 1030 sq.mi.
03030006 -- Black. North Carolina.
Area = 1570 sq.mi.
03030007 -- Northeast Cape Fear. North Carolina.
Area = 1740 sq.mi.
Subregion 0304 -- Pee Dee: The coastal drainage and associated
waters from the Cape Fear River Basin boundary to
the Santee River Basin boundary.
North Carolina, South Carolina, Virginia.
Area = 18500 sq.mi.
Accounting Unit 030401 -- Upper Pee Dee: The Pee Dee River Basin
above Blewett Falls Lake Dam.
North Carolina, South Carolina, Virginia.
Area = 6800 sq.mi.
Cataloging Units 03040101 -- Upper Yadkin. North Carolina,
Virginia.
Area = 2420 sq.mi.
03040102 -- South Yadkin. North Carolina.
Area = 915 sq.mi.
03040103 -- Lower Yadkin. North Carolina.
Area = 1180 sq.mi.
03040104 -- Upper Pee Dee. North Carolina,
South Carolina.
Area = 861 sq.mi.
03040105 -- Rocky. North Carolina,
South Carolina.
Area = 1420 sq.mi.
Accounting Unit 030402 -- Lower Pee Dee: The coastal drainage and
associated waters from the Cape Fear
River Basin boundary to the Santee River
Basin boundary, excluding the Pee Dee
River Basin above Blewett Falls Dam.
North Carolina, South Carolina.
Area = 11700 sq.mi.
Cataloging Units 03040201 -- Lower Pee Dee. North Carolina,
South Carolina.
Area = 2830 sq.mi.
03040202 -- Lynches. North Carolina,
South Carolina.
Area = 1390 sq.mi.
03040203 -- Lumber. North Carolina,
South Carolina.
Area = 1750 sq.mi.
03040204 -- Little Pee Dee. North Carolina,
South Carolina.
Area = 1340 sq.mi.
03040205 -- Black. South Carolina.
Area = 2040 sq.mi.
03040206 -- Waccamaw. North Carolina,
South Carolina.
Area = 1640 sq.mi.
03040207 -- Carolina Coastal-Sampit.
North Carolina, South Carolina.
Area = 682 sq.mi.
Subregion 0305 -- Edisto-Santee: The coastal drainage and associated
waters from and including the Santee River Basin to
the Savannah River Basin boundary. Georgia,
North Carolina, South Carolina.
Area = 23600 sq.mi.
Accounting Unit 030501 -- Santee: The Santee River Basin.
North Carolina, South Carolina.
Area = 15300 sq.mi.
Cataloging Units 03050101 -- Upper Catawba. North Carolina,
South Carolina.
Area = 2350 sq.mi.
03050102 -- South Fork Catawba.
North Carolina.
Area = 657 sq.mi.
03050103 -- Lower Catawba. North Carolina,
South Carolina.
Area = 1370 sq.mi.
03050104 -- Wateree. South Carolina.
Area = 1210 sq.mi.
03050105 -- Upper Broad. North Carolina,
South Carolina.
Area = 2480 sq.mi.
03050106 -- Lower Broad. South Carolina.
Area = 1290 sq.mi.
03050107 -- Tyger. South Carolina.
Area = 809 sq.mi.
03050108 -- Enoree. South Carolina.
Area = 731 sq.mi.
03050109 -- Saluda. South Carolina.
Area = 2480 sq.mi.
03050110 -- Congaree. South Carolina.
Area = 708 sq.mi.
03050111 -- Lake Marion. South Carolina.
Area = 543 sq.mi.
03050112 -- Santee. South Carolina.
Area = 718 sq.mi.
Accounting Unit 030502 -- Edisto-South Carolina Coastal: The
Coastal drainage and associated waters
from the Santee River Basin boundary to
the Savannah River Basin boundary.
South Carolina.
Area = 8210 sq.mi.
Cataloging Units 03050201 -- Cooper. South Carolina.
Area = 837 sq.mi.
03050202 -- South Carolina Coastal.
South Carolina.
Area = 955 sq.mi.
03050203 -- North Fork Edisto. South Carolina.
Area = 750 sq.mi.
03050204 -- South Fork Edisto. South Carolina.
Area = 865 sq.mi.
03050205 -- Edisto. South Carolina.
Area = 846 sq.mi.
03050206 -- Four Hole Swamp. South Carolina.
Area = 627 sq.mi.
03050207 -- Salkehatchie. South Carolina.
Area = 1000 sq.mi.
03050208 -- Broad-St. Helena. South Carolina.
Area = 2330 sq.mi.
Subregion 0306 -- Ogeechee-Savannah: The coastal drainage and
associated waters from and including the Savannah
River Basin to the Altamaha River Basin boundary.
Georgia, North Carolina, South Carolina.
Area = 16300 sq.mi.
Accounting Unit 030601 -- Savannah: The Savannah River Basin.
Georgia, North Carolina, South Carolina.
Area = 10400 sq.mi.
Cataloging Units 03060101 -- Seneca. North Carolina,
South Carolina.
Area = 1020 sq.mi.
03060102 -- Tugaloo. Georgia, North Carolina,
South Carolina.
Area = 995 sq.mi.
03060103 -- Upper Savannah. Georgia,
South Carolina.
Area = 1830 sq.mi.
03060104 -- Broad. Georgia.
Area = 1500 sq.mi.
03060105 -- Little. Georgia.
Area = 766 sq.mi.
03060106 -- Middle Savannah. Georgia,
South Carolina.
Area = 1850 sq.mi.
03060107 -- Stevens. South Carolina.
Area = 734 sq.mi.
03060108 -- Brier. Georgia.
Area = 830 sq.mi.
03060109 -- Lower Savannah. Georgia,
South Carolina.
Area = 916 sq.mi.
Accounting Unit 030602 -- Ogeechee: The coastal drainage and
associated waters from the Savannah River
Basin boundary to the Altamaha River Basin
boundary. Georgia.
Area = 5830 sq.mi.
Cataloging Units 03060201 -- Upper Ogeechee. Georgia.
Area = 1820 sq.mi.
03060202 -- Lower Ogeechee. Georgia.
Area = 1220 sq.mi.
03060203 -- Canoochee. Georgia.
Area = 1420 sq.mi.
03060204 -- Ogeechee Coastal. Georgia.
Area = 1370 sq.mi.
Subregion 0307 -- Altamaha - St. Marys: The coastal drainage and
associated waters from and including the
Altamaha River Basin to the St. Johns River Basin
boundary. Florida, Georgia.
Area = 20500 sq.mi.
Accounting Unit 030701 -- Altamaha: The Altamaha River Basin.
Georgia.
Area = 14200 sq.mi.
Cataloging Units 03070101 -- Upper Oconee. Georgia.
Area = 2920 sq.mi.
03070102 -- Lower Oconee. Georgia.
Area = 2400 sq.mi.
03070103 -- Upper Ocmulgee. Georgia.
Area = 2980 sq.mi.
03070104 -- Lower Ocmulgee. Georgia.
Area = 2280 sq.mi.
03070105 -- Little Ocmulgee. Georgia.
Area = 818 sq.mi.
03070106 -- Altamaha. Georgia.
Area = 1510 sq.mi.
03070107 -- Ohoopee. Georgia.
Area = 1340 sq.mi.
Accounting Unit 030702 -- St. Marys - Satilla: The coastal drainage
and associated waters from the Altamaha
River Basin boundary to the St. Johns
River Basin boundary. Florida, Georgia.
Area = 6220 sq.mi.
Cataloging Units 03070201 -- Satilla. Georgia.
Area = 2630 sq.mi.
03070202 -- Little Satilla. Georgia.
Area = 773 sq.mi.
03070203 -- Cumberland-St. Simons. Georgia.
Area = 768 sq.mi.
03070204 -- St. Marys. Florida, Georgia.
Area = 1610 sq.mi.
03070205 -- Nassau. Florida.
Area = 439 sq.mi.
Subregion 0308 -- St. Johns: The coastal drainage and associated
waters from and including the St. Johns River Basin
to St. Lucie Inlet. Florida.
Area = 11600 sq.mi.
Accounting Unit 030801 -- St. Johns: The St. Johns River Basin.
Florida.
Area = 9360 sq.mi.
Cataloging Units 03080101 -- Upper St. Johns. Florida.
Area = 3700 sq.mi.
03080102 -- Oklawaha. Florida.
Area = 2860 sq.mi.
03080103 -- Lower St. Johns. Florida.
Area = 2800 sq.mi.
Accounting Unit 030802 -- East Florida Coastal: The coastal
drainage and associated waters from the
St. Johns River Basin boundary to
St. Lucie Inlet. Florida.
Area = 2190 sq.mi.
Cataloging Units 03080201 -- Daytona - St. Augustine. Florida.
Area = 760 sq.mi.
03080202 -- Cape Canaveral. Florida.
Area = 760 sq.mi.
03080203 -- Vero Beach. Florida.
Area = 670 sq.mi.
Subregion 0309 -- Southern Florida: The coastal drainage and
associated waters from St. Lucie Inlet to and
including the Caloosahatchee River Basin, and
interior drainage south of the St. Johns and Peace
River Basins. Florida.
Area = 18700 sq.mi.
Accounting Unit 030901 -- Kissimmee: The Kissimmee River Basin and
interior drainage into Lake Okeechobee
from the North. Florida.
Area = 4210 sq.mi.
Cataloging Units 03090101 -- Kissimmee. Florida.
Area = 3010 sq.mi.
03090102 -- Northern Okeechobee Inflow. Florida.
Area = 282 sq.mi.
03090103 -- Western Okeechobee Inflow. Florida.
Area = 918 sq.mi.
Accounting Unit 030902 -- Southern Florida: The coastal drainage and
associated waters from St. Lucie Inlet to
and including the Caloosahatchee River
Basin, and interior drainage south of the
St. Johns and Peace River Basins,
excluding the Kissimmee River Basin and
interior drainage into Lake Okeechobee
from the North. Florida.
Area = 14500 sq.mi.
Cataloging Units 03090201 -- Lake Okeechobee. Florida.
Area = 727 sq.mi.
03090202 -- Everglades. Florida.
Area = 8400 sq.mi.
03090203 -- Florida Bay-Florida Keys. Florida.
Area = 1230 sq.mi.
03090204 -- Big Cypress Swamp. Florida.
Area = 2710 sq.mi.
03090205 -- Caloosahatchee. Florida.
Area = 1420 sq.mi.
Subregion 0310 -- Peace-Tampa Bay: The coastal drainage and
associated waters from the Caloosahatchee River
Basin boundary to and including the withlacoochee
River Basin. Florida.
Area = 10000 sq.mi.
Accounting Unit 031001 -- Peace: The coastal drainage and associated
waters from the Caloosahatchee
River Basin boundary to Gasparilla Pass.
Florida.
Area = 3610 sq.mi.
Cataloging Units 03100101 -- Peace. Florida.
Area = 2420 sq.mi.
03100102 -- Myakka. Florida.
Area = 606 sq.mi.
03100103 -- Charlotte Harbor. Florida.
Area = 587 sq.mi.
Accounting Unit 031002 -- Tampa Bay: The coastal drainage and
associated waters from Gasparilla Pass to and
including the Withlacoochee River Basin. Florida.
Area = 6410 sq.mi.
Cataloging Units 03100201 -- Sarasota Bay. Florida.
Area = 428 sq.mi.
03100202 -- Manatee. Florida.
Area = 375 sq.mi.
03100203 -- Little Manatee. Florida.
Area = 217 sq.mi.
03100204 -- Alafia. Florida.
Area = 434 sq.mi.
03100205 -- Hillsborough. Florida.
Area = 678 sq.mi.
03100206 -- Tampa Bay. Florida.
Area = 894 sq.mi.
03100207 -- Crystal-Pithlachascotee.
Florida.
Area = 1290 sq.mi.
03100208 -- Withlacoochee. Florida.
Area = 2090 sq.mi.
Subregion 0311 -- Suwannee: The coastal drainage and associated
waters from the Withlacoochee River Basin boundary
to and including the Aucilla River Basin. Florida,
Georgia.
Area = 13800 sq.mi.
Accounting Unit 031101 -- Aucilla-Waccasassa: The coastal drainage
and associated waters from the
Withlacoochee River Basin boundary to and
including the Aucilla River Basin,
excluding the Suwannee River Basin.
Florida, Georgia.
Area = 3870 sq.mi.
Cataloging Units 03110101 -- Waccasassa. Florida.
Area = 936 sq.mi.
03110102 -- Econfina-Steinhatchee. Florida.
Area = 1930 sq.mi.
03110103 -- Aucilla. Florida, Georgia.
Area = 1000 sq.mi.
Accounting Unit 031102 -- Suwannee: The Suwannee River Basin.
Florida, Georgia.
Area = 9930 sq.mi.
Cataloging Units 03110201 -- Upper Suwannee. Florida, Georgia.
Area = 2720 sq.mi.
03110202 -- Alapaha. Florida, Georgia.
Area = 1840 sq.mi.
03110203 -- withlacoochee. Florida, Georgia.
Area = 1510 sq.mi.
03110204 -- Little. Georgia.
Area = 884 sq.mi.
03110205 -- Lower Suwannee. Florida.
Area = 1590 sq.mi.
03110206 -- Santa Fe. Florida.
Area = 1390 sq.mi.
Subregion 0312 -- Ochlockonee: The coastal drainage and associated
waters from the Aucilla River Basin boundary to and
including the Ochlockonee River Basin. Florida,
Georgia.
Area = 3650 sq.mi.
Accounting Unit 031200 -- Ochlockonee. Florida. Georgia.
Area = 3650 sq.mi.
Cataloging Units 03120001 -- Apalachee Bay-St. Marks. Florida,
Georgia.
Area = 1180 sq.mi.
03120002 -- Upper Ochlockonee. Georgia.
Area = 925 sq.mi.
03120003 -- Lower Ochlockonee. Florida,
Georgia.
Area = 1540 sq.mi.
Subregion 0313 -- Apalachicola: The coastal drainage and
associated waters from the Ochlockonee River Basin
boundary to and including the Apalachicola River
Basin and the drainage into Apalachicola Bay.
Alabama, Florida, Georgia.
Area = 20500 sq.mi.
Accounting Unit 031300 -- Apalachicola. Alabama, Florida,
Georgia.
Area = 20500 sq.mi.
Cataloging Units 03130001 -- Upper Chattahoochee. Georgia.
Area = 1560 sq.mi.
03130002 -- Middle Chattahoochee-Lake Harding.
Alabama, Georgia.
Area = 3060 sq.mi.
03130003 -- Middle Chattahoochee-Walter F.
George Reservoir. Alabama, Georgia.
Area = 2880 sq.mi.
03130004 -- Lower Chattahoochee. Alabama,
Florida, Georgia.
Area = 1300 sq.mi.
03130005 -- Upper Flint. Georgia.
Area = 2630 sq.mi.
03130006 -- Middle Flint. Georgia.
Area = 1570 sq.mi.
03130007 -- Kinchafoonee-Muckalee. Georgia.
Area = 1090 sq.mi.
03130008 -- Lower Flint. Georgia.
Area = 1290 sq.mi.
03130009 -- Ichawaynochaway. Georgia.
Area = 1110 sq.mi.
03130010 -- Spring. Georgia.
Area = 778 sq.mi.
03130011 -- Apalachicola. Florida, Georgia.
Area = 1130 sq.mi.
03130012 -- Chipola. Alabama, Florida.
Area = 1270 sq.mi.
03130013 -- New. Florida.
Area = 569 sq.mi.
03130014 -- Apalachicola Bay. Florida.
Area = 266 sq.mi.
Subregion 0314 -- Choctawhatchee - Escambia: The coastal drainage and
associated waters from the Apalachicola Bay
drainage boundary to the Mobile Bay drainage
boundary. Alabama, Florida.
Area = 15000 sq.mi.
Accounting Unit 031401 -- Florida Panhandle Coastal: The coastal
drainage and associated waters from the
Apalachicola Bay drainage boundary to the
Mobile Bay drainage boundary, excluding
the Choctawhatchee and Escambia River
Basins. Alabama, Florida, Georgia.
Area = 6060 sq.mi.
Cataloging Units 03140101 -- St. Andrew-St. Joseph Bays. Florida.
Area = 1350 sq.mi.
03140102 -- Choctawhatchee Bay. Florida.
Area = 699 sq.mi.
03140103 -- Yellow. Alabama, Florida.
Area = 1380 sq.mi.
03140104 -- Blackwater. Alabama, Florida.
Area = 860 sq.mi.
03140105 -- Pensacola Bay. Florida.
Area = 543 sq.mi.
03140106 -- Perdido. Alabama, Florida.
Area = 913 sq.mi.
03140107 -- Perdido Bay. Alabama, Florida.
Area = 313 sq.mi.
Accounting Unit 031402 -- Choctawhatchee: The Choctawhatchee River
Basin. Alabama, Florida.
Area = 4670 sq.mi.
Cataloging Units 03140201 -- Upper Choctawhatchee. Alabama.
Area = 1560 sq.mi.
03140202 -- Pea. Alabama, Florida.
Area = 1550 sq.mi.
03140203 -- Lower Choctawhatchee. Alabama,
Florida.
Area = 1560 sq.mi.
Accounting Unit 031403 -- Escambia: The Escambia River Basin.
Alabama, Florida.
Area = 4290 sq.mi.
Cataloging Units 03140301 -- Upper Conecuh. Alabama.
Area = 853 sq.mi.
03140302 -- Patsaliga. Alabama.
Area = 593 sq.mi.
03140303 -- Sepulga. Alabama.
Area = 1050 sq.mi.
03140304 -- Lower Conecuh. Alabama, Florida.
Area = 1010 sq.mi.
03140305 -- Escambia. Alabama, Florida.
Area = 780 sq.mi.
Subregion 0315 -- Alabama: The Alabama River Basin. Alabama, Georgia,
Tennessee.
Area = 22700 sq.mi.
Accounting Unit 031501 -- Coosa-Tallapoosa: The Alabama River Basin
above the confluence of and including the
Coosa and Tallapoosa River Basins.
Alabama, Georgia, Tennessee.
Area = 14800 sq.mi.
Cataloging Units 03150101 -- Conasauga. Georgia, Tennessee.
Area = 723 sq.mi.
03150102 -- Coosawattee. Georgia.
Area = 848 sq.mi.
03150103 -- Oostanaula. Georgia.
Area = 557 sq.mi.
03150104 -- Etowah. Georgia.
Area = 1850 sq.mi.
03150105 -- Upper Coosa. Alabama, Georgia.
Area = 1610 sq.mi.
03150106 -- Middle Coosa. Alabama.
Area = 2580 sq.mi.
03150107 -- Lower Coosa. Alabama.
Area = 1910 sq.mi.
03150108 -- Upper Tallapoosa. Alabama,
Georgia.
Area = 1400 sq.mi.
03150109 -- Middle Tallapoosa. Alabama.
Area = 1590 sq.mi.
03150110 -- Lower Tallapoosa. Alabama.
Area = 1700 sq.mi.
Accounting Unit 031502 -- Alabama: The Alabama River Basin below the
confluence of the Coosa and Tallapoosa
River Basins. Alabama.
Area = 7950 sq.mi.
Cataloging Units 03150201 -- Upper Alabama. Alabama.
Area = 2430 sq.mi.
03150202 -- Cahaba. Alabama.
Area = 1850 sq.mi.
03150203 -- Middle Alabama. Alabama.
Area = 2250 sq.mi.
03150204 -- Lower Alabama. Alabama.
Area = 1420 sq.mi.
Subregion 0316 -- Mobile - Tombigbee: The drainage into Mobile Bay
excluding the Alabama River Basin. Alabama,
Mississippi.
Area = 21900 sq.mi.
Accounting Unit 031601 -- Black Warrior - Tombigbee: the
Tombigbee River Basin above the confluence
with and including the Black Warrior River
Basin. Alabama, Mississippi.
Area = 15400 sq.mi.
Cataloging Units 03160101 -- Upper Tombigbee. Alabama,
Mississippi.
Area = 1790 sq.mi.
03160102 -- Town. Mississippi.
Area = 689 sq.mi.
03160103 -- Buttahatchee. Alabama,
Mississippi.
Area = 863 sq.mi.
03160104 -- Tibbee. Mississippi.
Area = 1100 sq.mi.
03160105 -- Luxapallila. Alabama,
Mississippi.
Area = 798 sq.mi.
03160106 -- Middle Tombigbee-Lubbub. Alabama,
Mississippi.
Area = 1650 sq.mi.
03160107 -- Sipsey. Alabama.
Area = 788 sq.mi.
03160108 -- Noxubee. Alabama, Mississippi.
Area = 1400 sq.mi.
03160109 -- Mulberry. Alabama.
Area = 1380 sq.mi.
03160110 -- Sipsey Fork. Alabama.
Area = 1010 sq.mi.
03160111 -- Locust. Alabama.
Area = 1210 sq.mi.
03160112 -- Upper Black Warrior. Alabama.
Area = 1250 sq.mi.
03160113 -- Lower Black Warrior. Alabama.
Area = 1450 sq.mi.
Accounting Unit 031602 -- Mobile Bay- Tombigbee: The drainage into
Mobile Bay excluding the Alabama River
Basin, the Tombigbee River Basin above
the confluence with the Black Warrior
River, and the Black Warrior River Basin.
Alabama, Mississippi.
Area = 6500 sq.mi.
Cataloging Units 03160201 -- Middle Tombigbee-Chickasaw.
Alabama, Mississippi.
Area = 2090 sq.mi.
03160202 -- Sucarnoochee. Alabama, Mississippi.
Area = 956 sq.mi.
03160203 -- Lower Tambigbee. Alabama.
Area = 1600 sq.mi.
03160204 -- Mobile - Tensaw. Alabama.
Area = 972 sq.mi.
03160205 -- Mobile Bay. Alabama.
Area = 883 sq.mi.
Subregion 0317 -- Pascagoula: The coastal drainage and associated
waters in Alabama and Mississippi north and east
of the Louisiana-Mississippi state line from the
Mobile Bay drainage boundary to the Pearl River
Basin boundary. Alabama, Mississippi.
Area = 12100 sq.mi.
Accounting Unit 031700 -- Pascagoula. Alabama. Mississippi.
Area = 12100 sq.mi.
Cataloging Units 03170001 -- Chunky-Okatibbee. Mississippi.
Area = 907 sq.mi.
03170002 -- Upper Chickasawhay. Alabama,
Mississippi.
Area = 1480 sq.mi.
03170003 -- Lower Chickasawhay. Alabama,
Mississippi.
Area = 671 sq.mi.
03170004 -- Upper Leaf. Mississippi.
Area = 1760 sq.mi.
03170005 -- Lower Leaf. Mississippi.
Area = 1820 sq.mi.
03170006 -- Pascagoula. Mississippi.
Area = 620 sq.mi.
03170007 -- Black. Mississippi.
Area = 1290 sq.mi.
03170008 -- Escatawpa. Alabama, Mississippi.
Area = 1080 sq.mi.
03170009 -- Mississippi Coastal. Alabama,
Mississippi.
Area = 2480 sq.mi.
Subregion 0318 -- Pearl: The Pearl River Basin. Louisiana,
Mississippi.
Area = 8730 sq.mi.
Accounting Unit 031800 -- Pearl. Louisiana, Mississippi.
Area = 8730 sq.mi.
Cataloging Units 03180001 -- Upper Pearl. Mississippi.
Area = 2490 sq.mi.
03180002 -- Middle Pearl-Strong. Mississippi.
Area = 1990 sq.mi.
03180003 -- Middle Pearl-Silver. Mississippi.
Area = 1220 sq.mi.
03180004 -- Lower Pearl. Louisiana. Mississippi.
Area = 1810 sq.mi.
03180005 -- Bogue Chitto. Louisiana,
Mississippi.
Area = 1220 sq.mi.
Region 04 Great Lakes Region -- The drainage within the United States
that ultimately discharges into: (a) the Great Lakes
system, including the lake surfaces, bays, and islands; and
(b) the St. Lawrence River to the Riviere Richelieu drainage
boundary. Includes parts of Illinois, Indiana,
Michigan, Minnesota, New York, Ohio, Pennsylvania, and
Wisconsin.
Subregion 0401 -- Western Lake Superior: The drainage into Lake
Superior within the United States from the Ontario-
Minnesota international boundary to and including
the Montreal River Basin. Michigan, Minnesota,
Wisconsin.
Area = 9240 sq.mi.
Accounting Unit 040101 -- Northwestern Lake Superior: The drainage
into Lake Superior within the United
States from the Ontario-Minnesota
international boundary to the St. Louis
River Basin boundary. Minnesota.
Area = 2260 sq.mi.
Cataloging Units 04010101 -- Baptism-Brule. Minnesota.
Area = 1620 sq.mi.
04010102 -- Beaver-Lester. Minnesota.
Area = 635 sq.mi.
Accounting Unit 040102 -- St. Louis: The St. Louis River Basin.
Minnesota, Wisconsin.
Area = 3810 sq.mi.
Cataloging Units 04010201 -- St. Louis. Minnesota, Wisconsin.
Area = 3010 sq.mi.
04010202 -- Cloquet. Minnesota.
Area = 796 sq.mi.
Accounting Unit 040103 -- Southwestern Lake Superior: The drainage
into Lake Superior from the St. Louis
River Basin boundary to and including
the Montreal River Basin. Michigan,
Minnesota, Wisconsin.
Area = 3180 sq.mi.
Cataloging Units 04010301 -- Beartrap-Nemadji. Minnesota,
Wisconsin.
Area = 1850 sq.mi.
04010302 -- Bad-Montreal. Michigan, Wisconsin.
Area = 1330 sq.mi.
Subregion 0402 -- Southern Lake Superior-Lake Superior: The drainage
into Lake Superior within the United States from
the Montreal River Basin boundary to the Soo Locks
at Sault Sainte Marie, and Lake Superior within the
United States, including its bays and islands.
Michigan, Minnesota, Wisconsin.
Area = 28600 sq.mi.
Accounting Unit 040201 -- Southcentral Lake Superior: The drainage
into Lake Superior from the Montreal River
Basin boundary to and including the Carp
River Basin. Michigan, Wisconsin.
Area = 5210 sq.mi.
Cataloging Units 04020101 -- Black-Presque Isle. Michigan,
Wisconsin.
Area = 1030 sq.mi.
04020102 -- Ontonagon. Michigan, Wisconsin.
Area = 1390 sq.mi.
04020103 -- Keweenaw Peninsula. Michigan.
Area = 1130 sq.mi.
04020104 -- Sturgeon. Michigan.
Area = 710 sq.mi.
04020105 -- Dead-Kelsey. Michigan.
Area = 946 sq.mi.
Accounting Unit 040202 -- Southeastern Lake Superior: The drainage
into Lake Superior within the United
States from the Carp River Basin boundary
to the Soo Locks at Sault Sainte Marie.
Michigan.
Area = 2340 sq.mi.
Cataloging Units 04020201 -- Betsy-Chocolay. Michigan.
Area = 1180 sq.mi.
04020202 -- Tahquamenon. Michigan.
Area = 832 sq.mi.
04020203 -- Waiska. Michigan.
Area = 324 sq.mi.
Accounting Unit 040203 -- Lake Superior: Lake Superior within the
United States, including its bays and
islands. Michigan, Minnesota, Wisconsin.
Area = 21100 sq.mi.
Cataloging Unit 04020300 -- Lake Superior. Michigan. Minnesota,
Wisconsin.
Area = 21100 sq.mi.
Subregion 0403 -- Northwestern Lake Michigan: The drainage into
Lake Michigan from the Milwaukee River Basin
boundary to the Manistique River Basin boundary.
Michigan, Wisconsin.
Area = 18700 sq.mi.
Accounting Unit 040301 -- Northwestern Lake Michigan: The drainage
into Lake Michigan from the Milwaukee
River Basin boundary to the Manistique
River Basin boundary, excluding the Fox
River Basin. Michigan, Wisconsin.
Area = 12400 sq.mi.
Cataloging Units 04030101 -- Manitowoc-Sheboygan. Wisconsin.
Area = 1650 sq.mi.
04030102 -- Door-Kewaunee. Wisconsin.
Area = 776 sq.mi.
04030103 -- Duck-Pensaukee. Wisconsin.
Area = 483 sq.mi.
04030104 -- Oconto. Wisconsin.
Area = 1040 sq.mi.
04030105 -- Peshtigo. Wisconsin.
Area = 1170 sq.mi.
04030106 -- Brule. Michigan, Wisconsin.
Area = 1060 sq.mi.
04030107 -- Michigamme. Michigan.
Area = 734 sq.mi.
04030108 -- Menominee. Michigan, Wisconsin.
Area = 2310 sq.mi.
04030109 -- Cedar-Ford. Michigan.
Area = 1010 sq.mi.
04030110 -- Escanaba. Michigan.
Area = 935 sq.mi.
04030111 -- Tacoosh-Whitefish. Michigan.
Area = 656 sq.mi.
04030112 -- Fishdam-Sturgeon. Michigan.
Area = 556 sq.mi.
Accounting Unit 040302 -- Fox: The Fox River Basin. Wisconsin.
Area = 6340 sq.mi.
Cataloging Units 04030201 -- Upper Fox. Wisconsin.
Area = 1610 sq.mi.
04030202 -- Wolf. Wisconsin.
Area = 3720 sq.mi.
04030203 -- Lake Winnebago. Wisconsin.
Area = 570 sq.mi.
04030204 -- Lower Fox. Wisconsin.
Area = 438 sq.mi.
Subregion 0404 -- Southwestern Lake Michigan. The drainage into Lake
Michigan from the St. Joseph River Basin boundary
to and including the Milwaukee River Basin.
Illinois, Indiana, Michigan, Wisconsin.
Area = 1970 sq.mi.
Accounting Unit 040400 -- Southwestern Lake Michigan. Illinois,
Indiana, Michigan, Wisconsin.
Area = 1970 sq.mi.
Cataloging Units 04040001 -- Little Calumet-Galien. Illinois,
Indiana, Michigan.
Area = 705 sq.mi.
04040002 -- Pike-Root. Illinois, Wisconsin.
Area = 399 sq.mi.
04040003 -- Milwaukee. Wisconsin.
Area = 861 sq.mi.
Subregion 0405 -- Southeastern Lake Michigan: The drainage into Lake
Michigan from and including the St. Joseph River
Basin to and including the Grand River Basin.
Indiana, Michigan.
Area = 12800 sq.mi.
Accounting Unit 040500 -- Southeastern Lake Michigan. Indiana,
Michigan.
Area = 12800 sq.mi.
Cataloging Units 04050001 -- St. Joseph. Indiana, Michigan
Area = 4670 sq.mi.
04050002 -- Black-Macatawa. Michigan.
Area = 600 sq.mi.
04050003 -- Kalamazoo. Michigan.
Area = 2030 sq.mi.
04050004 -- Upper Grand. Michigan.
Area = 1730 sq.mi.
04050005 -- Maple. Michigan.
Area = 924 sq.mi.
04050006 -- Lower Grand. Michigan.
Area = 1990 sq.mi.
04050007 -- Thornapple. Michigan.
Area = 874 sq.mi.
Subregion 0406 -- Northeastern Lake Michigan-Lake Michigan: the
drainage into Lake Michigan from the Grand River
Basin boundary to and including the Manistique
River Basin, and Lake Michigan, including its Bays
and Islands. Illinois, Indiana, Michigan,
Wisconsin.
Area = 33600 sq.mi.
Accounting Unit 040601 -- Northeastern Lake Michigan: The drainage
into Lake Michigan from the Grand River
Basin boundary to and including the
Manistique River Basin. Michigan.
Area = 11300 sq.mi.
Cataloging Units 04060101 -- Pere Marquette-White. Michigan.
Area = 2100 sq.mi.
04060102 -- Muskegon. Michigan.
Area = 2680 sq.mi.
04060103 -- Manistee. Michigan.
Area = 1970 sq.mi.
04060104 -- Betsie-Platte. Michigan.
Area = 819 sq.mi.
04060105 -- Boardman-Charlevoix. Michigan.
Area = 1650 sq.mi.
04060106 -- Manistique. Michigan.
Area = 1480 sq.mi.
04060107 -- Brevoort-Millecoquins. Michigan.
Area = 578 sq.mi.
Accounting Unit 040602 -- Lake Michigan: Lake Michigan, including
its bays and islands. Illinois, Indiana,
Michigan, Wisconsin.
Area = 22300 sq.mi.
Cataloging Units 04060200 -- Lake Michigan. Illinois, Indiana,
Michigan, Wisconsin.
Area = 22300 sq.mi.
Subregion 0407 -- Northwestern Lake Huron: The drainage into Lake
Huron within the United States from the Soo Locks
at Sault Sainte Marie to and including the Au Sable
River Basin. Michigan.
Area = 7110 sq.mi.
Accounting Unit 040700 -- Northwestern Lake Huron. Michigan.
Area = 7110 sq.mi.
Cataloging Units 04070001 -- St. Marys. Michigan.
Area = 853 sq.mi.
04070002 -- Carp-Pine. Michigan.
Area = 641 sq.mi.
04070003 -- Lone Lake-Ocqueoc. Michigan.
Area = 810 sq.mi.
04070004 -- Cheboygan. Michigan.
Area = 918 sq.mi.
04070005 -- Black. Michigan.
Area = 618 sq.mi.
04070006 -- Thunder Bay. Michigan.
Area = 1270 sq.mi.
04070007 -- Au Sable. Michigan.
Area = 2000 sq.mi.
Subregion 0408 -- Southwestern Lake Huron-Lake Huron: The drainage
into Lake Huron within the United States, from the
Au Sable River Basin boundary to the St. Clair
River Basin boundary at the mouth of Lake Huron,
and Lake Huron within the United States, including
its bays and islands. Michigan.
Area = 18000 sq.mi.
Accounting Unit 040801 -- Southwestern Lake Huron: The drainage into
Lake Huron within the United States from
the Au Sable River Basin boundary to the
St. Clair River Basin boundary at the
mouth of Lake Huron, excluding the
Saginaw River Basin. Michigan.
Area = 2960 sq.mi.
Cataloging Units 04080101 -- Au Gres-Rifle. Michigan.
Area = 1030 sq.mi.
04080102 -- Kawkawlin-Pine. Michigan.
Area = 503 sq.mi.
04080103 -- Pigeon-Wiscoggin. Michigan.
Area = 853 sq.mi.
04080104 -- Birch-Willow. Michigan.
Area = 572 sq.mi.
Accounting Unit 040802 -- Saginaw: The Saginaw River Basin.
Michigan.
Area = 6160 sq.mi.
Cataloging Units 04080201 -- Tittabawassee. Michigan.
Area = 1430 sq.mi.
04080202 -- Pine. Michigan.
Area = 1040 sq.mi.
04080203 -- Shiawassee. Michigan.
Area = 1220 sq.mi.
04080204 -- Flint. Michigan.
Area = 1340 sq.mi.
04080205 -- Cass. Michigan.
Area = 881 sq.mi.
04080206 -- Saginaw. Michigan.
Area = 250 sq.mi.
Accounting Unit 040803 -- Lake Huron: Lake Huron within the
United States, including its Bays and
Islands. Michigan.
Area = 8920 sq.mi.
Cataloging Unit 04080300 -- Lake Huron. Michigan.
Area = 8920 sq.mi.
Subregion 0409 -- St. Clair-Detroit: The St. Clair and Detroit River
Basins within the United States from the mouth of
Lake Huron to and including the Huron River Basin,
and Lake St. Clair within the United States.
Michigan.
Area = 3960 sq.mi.
Accounting Unit 040900 -- St. Clair-Detroit. Michigan.
Area = 3960 sq.mi.
Cataloging Units 04090001 -- St. Clair. Michigan.
Area = 1210 sq.mi.
04090002 -- Lake St. Clair. Michigan.
Area = 413 sq.mi.
04090003 -- Clinton. Michigan.
Area = 742 sq.mi.
04090004 -- Detroit. Michigan.
Area = 685 sq.mi.
04090005 -- Huron. Michigan.
Area = 909 sq.mi.
Subregion 0410 -- Western Lake Erie: The drainage into Lake Erie from
the Huron River Basin boundary to and including the
Vermilion River Basin. Indiana, Michigan, Ohio.
Area = 11900 sq.mi.
Accounting Unit 041000 -- Western Lake Erie. Indiana, Michigan,
Ohio.
Area = 11900 sq.mi.
Cataloging Units 04100001 -- Ottawa-Stony. Michigan, Ohio.
Area = 689 sq.mi.
04100002 -- Raisin. Michigan, Ohio.
Area = 1070 sq.mi.
04100003 -- St. Joseph. Indiana, Michigan, Ohio.
Area = 1060 sq.mi.
04100004 -- St. Marys. Indiana, Ohio.
Area = 820 sq.mi.
04100005 -- Upper Maumee. Indiana, Ohio.
Area = 385 sq.mi.
04100006 -- Tiffin. Michigan, Ohio.
Area = 781 sq.mi.
04100007 -- Auglaize. Indiana, Ohio.
Area = 1660 sq.mi.
04100008 -- Blanchard. Ohio.
Area = 757 sq.mi.
04100009 -- Lower Maumee. Ohio.
Area = 1080 sq.mi.
04100010 -- Cedar-Portage. Ohio.
Area = 958 sq.mi.
04100011 -- Sandusky. Ohio.
Area = 1850 sq.mi.
04100012 -- Huron-Vermilion. Ohio.
Area = 754 sq.mi.
Subregion 0411 -- Southern Lake Erie: The drainage into Lake Erie
from the Vermilion River Basin boundary to and
including the Ashtabula River Basin. Ohio,
Pennsylvania.
Area = 3030 sq.mi.
Accounting Unit 041100 -- Southern Lake Erie. Ohio, Pennsylvania.
Area = 3030 sq.mi.
Cataloging Units 04110001 -- Black-Rocky. Ohio.
Area = 888 sq.mi.
04110002 -- Cuyahoga. Ohio.
Area = 804 sq.mi.
04110003 -- Ashtabula-Chagrin. Ohio,
Pennsylvania.
Area = 630 sq.mi.
04110004 -- Grand. Ohio.
Area = 710 sq.mi.
Subregion 0412 -- Eastern Lake Erie-Lake Erie: The drainage into Lake
Erie within the United States from the Ashtabula
River Basin boundary to and including the
Niagara River Basin, and Lake Erie within the
United States, including its bays and islands.
Michigan, New York, Ohio, Pennsylvania.
Area = 7740 sq.mi.
Accounting Unit 041201 -- Eastern Lake Erie: The drainage into Lake
Erie within the United States from the
Ashtabula River Basin boundary to and
including the Niagara River Basin.
New York, Ohio, Pennsylvania.
Area = 2930 sq.mi.
Cataloging Units 04120101 -- Chautauqua-Conneaut. New York, Ohio,
Pennsylvania.
Area = 874 sq.mi.
04120102 -- Cattaraugus. New York.
Area = 548 sq.mi.
04120103 -- Buffalo-Eighteenmile. New York.
Area = 732 sq.mi.
04120104 -- Niagara. New York.
Area = 774 sq.mi.
Accounting Unit 041202 -- Lake Erie: Lake Erie within the
United States, including its bays and
islands. Michigan, New York, Ohio,
Pennsylvania.
Area = 4810 sq.mi.
Cataloging Unit 04120200 -- Lake Erie. Michigan, New York, Ohio,
Pennsylvania.
Area = 4810 sq.mi.
Subregion 0413 -- Southwestern Lake Ontario: The drainage into
Lake Ontario from the Niagara River Basin
boundary to and including the Genesee River Basin.
New York, Pennsylvania.
Area = 3540 sq.mi.
Accounting Unit 041300 -- Southwestern Lake Ontario. New York,
Pennsylvania.
Area = 3540 sq.mi.
Cataloging Units 04130001 -- Oak Orchard-Twelvemile. New York.
Area = 1040 sq.mi.
04130002 -- Upper Genesee. New York,
Pennsylvania.
Area = 1430 sq.mi.
04130003 -- Lower Genesee. New York.
Area = 1070 sq.mi.
Subregion 0414 -- Southeastern Lake Ontario: The drainage into
Lake Ontario from the Genesee River Basin boundary
to and including the Stony Creek Basin. New York.
Area = 6710 sq.mi.
Accounting Unit 041401 -- Southeastern Lake Ontario: The drainage
into Lake Ontario from the Genesee River
Basin boundary to and including the
Stony Creek Basin, excluding the Oswego
River Basin. New York.
Area = 1680 sq.mi.
Cataloging Units 04140101 -- Irondequoit-Ninemile. New York.
Area = 708 sq.mi.
04140102 -- Salmon-Sandy. New York.
Area = 969 sq.mi.
Accounting Unit 041402 -- Oswego: The Oswego River Basin. New York.
Area = 5030 sq.mi.
Cataloging Units 04140201 -- Seneca. New York.
Area = 3430 sq.mi.
04140202 -- Oneida. New York.
Area = 1470 sq.mi.
04140203 -- Oswego. New York.
Area = 131 sq.mi.
Subregion 0415 -- Northeastern Lake Ontario-Lake
Ontario-St. Lawrence: The drainage into
Lake Ontario and the St. Lawrence River Basin
within the United States from the Stony Creek
Basin boundary to and including the English River
Basin, and Lake Ontario within the United States,
including its bays and islands. New York.
Area = 11400 sq.mi.
Accounting Unit 041501 -- Northeastern Lake Ontario: The drainage
into Lake Ontario from the Stony Creek
Basin boundary to the drainage boundary of
the St. Lawrence River at the mouth of
Lake Ontario. New York.
Area = 2300 sq.mi.
Cataloging Units 04150101 -- Black. New York.
Area = 1920 sq.mi.
04150102 -- Chaumont-Perch. New York.
Area = 380 sq.mi.
Accounting Unit 041502 -- Lake Ontario: Lake Ontario within the
United States, including its Bays and
Islands. New York.
Area = 3430 sq.mi.
Cataloging Unit 04150200 -- Lake Ontario. New York.
Area = 3430 sq.mi.
Accounting Unit 041503 -- St. Lawrence: The drainage into the
St. Lawrence River Basin within the
United States from the mouth of
Lake Ontario to and including the English
River Basin. New York.
Area = 5650 sq.mi.
Cataloging Units 04150301 -- Upper St. Lawrence. New York.
Area = 506 sq.mi.
04150302 -- Oswegatchie. New York.
Area = 1040 sq.mi.
04150303 -- Indian. New York.
Area = 558 sq.mi.
04150304 -- Grass. New York.
Area = 630 sq.mi.
04150305 -- Raquette. New York.
Area = 1250 sq.mi.
04150306 -- St. Regis. New York.
Area = 853 sq.mi.
04150307 -- English-Salmon. New York.
Area = 811 sq.mi.
Region 05 Ohio Region -- The drainage of the Ohio River Basin,
excluding the Tennessee River Basin. Includes parts of
Illinois, Indiana, Kentucky, Maryland, New York,
North Carolina, Ohio, Pennsylvania, Tennessee, Virginia and
West Virginia.
Subregion 0501 -- Allegheny: The Allegheny River Basin. Pennsylvania,
New York.
Area = 11600 sq.mi.
Accounting Unit 050100 -- Allegheny. Pennsylvania, New York.
Area = 11600 sq.mi.
Cataloging Units 05010001 -- Upper Allegheny. Pennsylvania,
New York.
Area = 2560 sq.mi.
05010002 -- Conewango. Pennsylvania, New York.
Area = 888 sq.mi.
05010003 -- Middle Allegheny-Tionesta.
Pennsylvania.
Area = 1670 sq.mi.
05010004 -- French. Pennsylvania, New York.
Area = 1210 sq.mi.
05010005 -- Clarion. Pennsylvania.
Area = 1230 sq.mi.
05010006 -- Middle Allegheny-Redbank.
Pennsylvania.
Area = 1680 sq.mi.
05010007 -- Conemaugh. Pennsylvania.
Area = 1350 sq.mi.
05010008 -- Kiskiminetas. Pennsylvania.
Area = 500 sq.mi.
05010009 -- Lower Allegheny. Pennsylvania.
Area = 479 sq.mi.
Subregion 0502 -- Monongahela: The Monongahela River Basin. Maryland,
Pennsylvania, West Virginia.
Area = 7310 sq.mi.
Accounting Unit 050200 -- Monongahela. Maryland, Pennsylvania,
West Virginia.
Area = 7310 sq.mi.
Cataloging Units 05020001 -- Tygart Valley. West Virginia.
Area = 1380 sq.mi.
05020002 -- West Fork. West Virginia.
Area = 877 sq.mi.
05020003 -- Upper Monongahela. Pennsylvania,
West Virginia.
Area = 463 sq.mi.
05020004 -- Cheat. Pennsylvania, West Virginia.
Area = 1410 sq.mi.
05020005 -- Lower Monongahela. Pennsylvania,
West Virginia.
Area = 1450 sq.mi.
05020006 -- Youghiogheny. Maryland,
Pennsylvania, West Virginia.
Area = 1730 sq.mi.
Subregion 0503 -- Upper Ohio: The Ohio River Basin below the
confluence of the Allegheny and Monongahela River
Basins to the confluence with the Kanawha River
Basin, excluding the Muskingum River Basin. Ohio,
Pennsylvania, West Virginia.
Area = 13200 sq.mi.
Accounting Unit 050301 -- Upper Ohio-Beaver. The Ohio River Basin
below the confluence of the Allegheny and
Monongahela River Basins to Lock and
Dam 14. Ohio, Pennsylvania, West Virginia.
Area = 6570 sq.mi.
Cataloging Units 05030101 -- Upper Ohio. Ohio, Pennsylvania,
West Virginia.
Area = 1950 sq.mi.
05030102 -- Shenango. Ohio, Pennsylvania.
Area = 1050 sq.mi.
05030103 -- Mahoning. Ohio, Pennsylvania.
Area = 1130 sq.mi.
05030104 -- Beaver. Pennsylvania.
Area = 108 sq.mi.
05030105 -- Connoquenessing. Pennsylvania.
Area = 837 sq.mi.
05030106 -- Upper Ohio-Wheeling. Ohio,
Pennsylvania, West Virginia.
Area = 1490 sq.mi.
Accounting Unit 050302 -- Upper Ohio-Little Kanawha: The Ohio River
Basin from Lock and Dam 14 to the
confluence with the Kanawha River Basin,
excluding the Muskingum River Basin. Ohio,
West Virginia.
Area = 6660 sq.mi.
Cataloging Units 05030201 -- Little Muskingum-Middle Island.
Ohio, West Virginia.
Area = 1800 sq.mi.
05030202 -- Upper Ohio-Shade. Ohio,
West Virginia.
Area = 1390 sq.mi.
05030203 -- Little Kanawha. West Virginia.
Area = 2300 sq.mi.
05030204 -- Hocking. Ohio.
Area = 1170 sq.mi.
Subregion 0504 -- Muskingum: The Muskingum River Basin. Ohio.
Area = 7980 sq.mi.
Accounting Unit 050400 -- Muskingum. Ohio.
Area = 7980 sq.mi.
Cataloging Units 05040001 -- Tuscarawas. Ohio.
Area = 2580 sq.mi.
05040002 -- Mohican. Ohio.
Area = 981 sq.mi.
05040003 -- Walhonding. Ohio.
Area = 1250 sq.mi.
05040004 -- Muskingum. Ohio.
Area = 1540 sq.mi.
05040005 -- Wills. Ohio.
Area = 843 sq.mi.
05040006 -- Licking. Ohio.
Area = 786 sq.mi.
Subregion 0505 -- Kanawha: The Kanawha River Basin. North Carolina,
Virginia, West Virginia.
Area = 12200 sq.mi.
Accounting Unit 050500 -- Kanawha. North Carolina, Virginia,
West Virginia.
Area = 12200 sq.mi.
Cataloging Units 05050001 -- Upper New. North Carolina, Virginia.
Area = 2900 sq.mi.
05050002 -- Middle New. Virginia, West Virginia.
Area = 1650 sq.mi.
05050003 -- Greenbrier. West Virginia.
Area = 1650 sq.mi.
05050004 -- Lower New. West Virginia.
Area = 692 sq.mi.
05050005 -- Gauley. West Virginia.
Area = 1420 sq.mi.
05050006 -- Upper Kanawha. West Virginia.
Area = 522 sq.mi.
05050007 -- Elk. West Virginia.
Area = 1530 sq.mi.
05050008 -- Lower Kanawha. West Virginia.
Area = 940 sq.mi.
05050009 -- Coal. West Virginia.
Area = 893 sq.mi.
Subregion 0506 -- Scioto: The Scioto River Basin. Ohio.
Area = 6440 sq.mi.
Accounting Unit 050600 -- Scioto. Ohio.
Area = 6440 sq.mi.
Cataloging Units 05060001 -- Upper Scioto. Ohio.
Area = 3160 sq.mi.
05060002 -- Lower Scioto. Ohio.
Area = 2150 sq.mi.
05060003 -- Paint. Ohio.
Area = 1130 sq.mi.
Subregion 0507 -- Big Sandy-Guyandotte: The Big Sandy and Guyandotte
River Basins. Kentucky, Virginia, West Virginia.
Area = 5900 sq.mi.
Accounting Unit 050701 -- Guyandotte: The Guyandotte River Basin.
West Virginia.
Area = 1680 sq.mi.
Cataloging Units 05070101 -- Upper Guyandotte. West Virginia.
Area = 945 sq.mi.
05070102 -- Lower Guyandotte. West Virginia.
Area = 738 sq.mi.
Accounting Unit 050702 -- Big Sandy: The Big Sandy River Basin.
Kentucky, Virginia, West Virginia.
Area = 4210 sq.mi.
Cataloging Units 05070201 -- Tug. Kentucky, Virginia,
West Virginia.
Area = 1520 sq.mi.
05070202 -- Upper Levisa. Kentucky, Virginia.
Area = 1200 sq.mi.
05070203 -- Lower Levisa. Kentucky.
Area = 1090 sq.mi.
05070204 -- Big Sandy. Kentucky, West Virginia.
Area = 402 sq.mi.
Subregion 0508 -- Great Miami: The Great Miami River Basin. Indiana,
Ohio.
Area = 5330 sq.mi.
Accounting Unit 050800 -- Great Miami. Indiana, Ohio.
Area = 5330 sq.mi.
Cataloging Units 05080001 -- Upper Great Miami. Indiana, Ohio.
Area = 2480 sq.mi.
05080002 -- Lower Great Miami. Indiana, Ohio.
Area = 1390 sq.mi.
05080003 -- Whitewater. Indiana, Ohio.
Area = 1460 sq.mi.
Subregion 0509 -- Middle Ohio: The Ohio River Basin below the
confluence with the Kanawha River Basin to the
confluence with the Kentucky River Basin, excluding
the Big Sandy, Great Miami, Guyandotte, Kentucky,
Licking and Scioto River Basins. Indiana, Kentucky,
Ohio, West Virginia.
Area = 8850 sq.mi.
Accounting Unit 050901 -- Middle Ohio-Raccoon: The Ohio River Basin
below the confluence with the
Kanawha River Basin to river mile 359.3
(formerly Lock and Dam 31) on the Ohio
River, excluding the Big Sandy,
Guyandotte, and Scioto River Basins.
Kentucky, Ohio, West Virginia.
Area = 3630 sq.mi.
Cataloging Units 05090101 -- Raccoon-Symmes. Ohio, West Virginia.
Area = 1450 sq.mi.
05090102 -- Twelvepole. West Virginia.
Area = 444 sq.mi.
05090103 -- Little Scioto-Tygarts. Kentucky,
Ohio.
Area = 1020 sq.mi.
05090104 -- Little Sandy. Kentucky.
Area = 713 sq.mi.
Accounting Unit 050902 -- Middle Ohio-Little Miami: The Ohio River
Basin from river mile 359.3 (formerly Lock
and Dam 31) on the Ohio River to the
confluence with the Kentucky River Basin,
excluding the Great Miami, Kentucky and
Licking River Basins. Indiana, Kentucky,
Ohio.
Area = 5220 sq.mi.
Cataloging Units 05090201 -- Ohio Brush-Whiteoak. Kentucky, Ohio.
Area = 2110 sq.mi.
05090202 -- Little Miami. Ohio.
Area = 1710 sq.mi.
05090203 -- Middle Ohio-Laughery. Indiana,
Kentucky, Ohio.
Area = 1400 sq.mi.
Subregion 0510 -- Kentucky-Licking: The Licking and Kentucky River
Basins. Kentucky.
Area = 10500 sq.mi.
Accounting Unit 051001 -- Licking: The Licking River Basin.
Kentucky.
Area = 3660 sq.mi.
Cataloging Units 05100101 -- Licking. Kentucky.
Area = 2740 sq.mi.
05100102 -- South Fork Licking. Kentucky.
Area = 915 sq.mi.
Accounting Unit 051002 -- Kentucky: The Kentucky River Basin.
Kentucky.
Area = 6870 sq.mi.
Cataloging Units 05100201 -- North Fork Kentucky. Kentucky.
Area = 1310 sq.mi.
05100202 -- Middle Fork Kentucky. Kentucky.
Area = 552 sq.mi.
05100203 -- South Fork Kentucky. Kentucky.
Area = 741 sq.mi.
05100204 -- Upper Kentucky. Kentucky.
Area = 1070 sq.mi.
05100205 -- Lower Kentucky. Kentucky.
Area = 3200 sq.mi.
Subregion 0511 -- Green: The Green River Basin. Kentucky, Tennessee.
Area = 9140 sq.mi.
Accounting Unit 051100 -- Green. Kentucky, Tennessee.
Area = 9140 sq.mi.
Cataloging Units 05110001 -- Upper Green. Kentucky.
Area = 3130 sq.mi.
05110002 -- Barren. Kentucky, Tennessee.
Area = 2230 sq.mi.
05110003 -- Middle Green. Kentucky.
Area = 1010 sq.mi.
05110004 -- Rough. Kentucky.
Area = 1070 sq.mi.
05110005 -- Lower Green. Kentucky.
Area = 911 sq.mi.
05110006 -- Pond. Kentucky.
Area = 784 sq.mi.
Subregion 0512 -- Wabash: The Wabash River Basin. Illinois,
Indiana, Ohio.
Area = 32600 sq.mi.
Accounting Unit 051201 -- Wabash: The Wabash River Basin, excluding
the Patoka and White River Basins.
Illinois, Indiana, Ohio.
Area = 20500 sq.mi.
Cataloging Units 05120101 -- Upper Wabash. Indiana, Ohio.
Area = 1570 sq.mi.
05120102 -- Salamonie. Indiana.
Area = 541 sq.mi.
05120103 -- Mississinewa. Indiana, Ohio.
Area = 811 sq.mi.
05120104 -- Eel. Indiana.
Area = 811 sq.mi.
05120105 -- Middle Wabash-Deer. Indiana.
Area = 654 sq.mi.
05120106 -- Tippecanoe. Indiana.
Area = 1930 sq.mi.
05120107 -- Wildcat. Indiana.
Area = 797 sq.mi.
05120108 -- Middle Wabash-Little Vermilion.
Illinois, Indiana.
Area = 2230 sq.mi.
05120109 -- Vermilion. Illinois, Indiana.
Area = 1410 sq.mi.
05120110 -- Sugar. Indiana.
Area = 818 sq.mi.
05120111 -- Middle Wabash-Busseron. Illinois,
Indiana.
Area = 2000 sq.mi.
05120112 -- Embarras. Illinois.
Area = 2430 sq.mi.
05120113 -- Lower Wabash. Illinois, Indiana.
Area = 1300 sq.mi.
05120114 -- Little Wabash. Illinois.
Area = 2120 sq.mi.
05120115 -- Skillet. Illinois.
Area = 1060 sq.mi.
Accounting Unit 051202 -- Patoka-White. The Patoka and White River
Basins. Indiana.
Area = 12100 sq.mi.
Cataloging Units 05120201 -- Upper White. Indiana.
Area = 2700 sq.mi.
05120202 -- Lower White. Indiana.
Area = 1650 sq.mi.
05120203 -- Eel. Indiana.
Area = 1200 sq.mi.
05120204 -- Driftwood. Indiana.
Area = 1150 sq.mi.
05120205 -- Flatrock-Haw. Indiana.
Area = 578 sq.mi.
05120206 -- Upper East Fork White. Indiana.
Area = 806 sq.mi.
05120207 -- Muscatatuck. Indiana.
Area = 1130 sq.mi.
05120208 -- Lower East Fork White. Indiana.
Area = 2030 sq.mi.
05120209 -- Patoka. Indiana.
Area = 854 sq.mi.
Subregion 0513 -- Cumberland: The Cumberland River Basin. Kentucky,
Tennessee.
Area = 17700 sq.mi.
Accounting Unit 051301 -- Upper Cumberland: The Cumberland River
Basin above the confluence with and
including the Caney Fork
Basin. Kentucky, Tennes |
