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View HUC6 Watershed by Name on Map   View HUC6 Watershed by Code on Map

HUC6 Watershed by Name Summaries Version 4


HUC6 Watershed Name State Excel File PDF File Map
10100 St. John Canada; Massachusetts Excel PDF Map
10200 Penobscot Canada; Massachusetts Excel PDF Map
10300 Kennebec Canada; Massachusetts Excel PDF Map
10400 Androscoggin Canada; Massachusetts; New Hampshire Excel PDF Map
10500 Maine Coastal Canada; Massachusetts Excel PDF Map
10600 Saco Massachusetts; Massachusetts; New Hampshire Excel PDF Map
10700 Merrimack Massachusetts; New Hampshire Excel PDF Map
10801 Upper Connecticut Canada; Massachusetts; New Hampshire; Vermont Excel PDF Map
10802 Lower Connecticut Connecticut; Massachusetts; New Hampshire; Vermont Excel PDF Map
10900 Massachusetts-Rhode Island Coastal Connecticut; Massachusetts; Rhode Island Excel PDF Map
11000 Connecticut Coastal Connecticut; Massachusetts; New York; Rhode Island Excel PDF Map
20200 Upper Hudson Massachusetts; New Jersey; New York; Vermont Excel PDF Map
20301 Lower Hudson Connecticut; New Jersey; New York Excel PDF Map
20302 Long Island Connecticut; New Jersey; New York; Rhode Island Excel PDF Map
20401 Upper Delaware New Jersey; New York; Pennsylvania Excel PDF Map
20402 Lower Delaware Delaware; Maryland; New Jersey; Pennsylvania Excel PDF Map
20403 Mid Atlantic Coastal Delaware; Maryland; New Jersey; New York; Virginia Excel PDF Map
20501 Upper Susquehanna New York; Pennsylvania Excel PDF Map
20502 West Branch Susquehanna Pennsylvania Excel PDF Map
20503 Lower Susquehanna Maryland; Pennsylvania Excel PDF Map
20600 Upper Chesapeake Delaware; Maryland; Pennsylvania Excel PDF Map
20700 Potomac District of Columbia; Maryland; Pennsylvania; Virginia; West Virginia Excel PDF Map
20801 Lower Chesapeake Delaware; Maryland; Virginia Excel PDF Map
20802 James Virginia; West Virginia Excel PDF Map
30101 Roanoke North Carolina; Virginia Excel PDF Map
30102 Albemarle-Chowan North Carolina; Virginia Excel PDF Map
30201 Pamlico North Carolina Excel PDF Map
30202 Neuse North Carolina Excel PDF Map
30203 Onslow Bay North Carolina Excel PDF Map
30300 Cape Fear North Carolina Excel PDF Map
30401 Upper Pee Dee North Carolina; South Carolina; Virginia Excel PDF Map
30402 Lower Pee Dee North Carolina; South Carolina Excel PDF Map
30501 Santee North Carolina; South Carolina Excel PDF Map
30502 Edisto-South Carolina Coastal South Carolina Excel PDF Map
30601 Savannah Georgia; North Carolina; South Carolina Excel PDF Map
30602 Ogeechee Georgia Excel PDF Map
30701 Altamaha Georgia Excel PDF Map
30702 St. Marys-Satilla Florida; Georgia Excel PDF Map
30801 St. Johns Florida Excel PDF Map
30802 East Florida Coastal Florida Excel PDF Map
30901 Kissimmee Florida Excel PDF Map
30902 Southern Florida Florida Excel PDF Map
31001 Peace Florida Excel PDF Map
31002 Tampa Bay Florida Excel PDF Map
31101 Aucilla-Waccasassa Florida; Georgia Excel PDF Map
31102 Suwannee Florida; Georgia Excel PDF Map
31200 Ochlockonee Florida; Georgia Excel PDF Map
31300 Apalachicola Alabama; Florida; Georgia Excel PDF Map
31401 Florida Panhandle Coastal Alabama; Florida Excel PDF Map
31402 Choctawhatchee Alabama; Florida Excel PDF Map
31403 Escambia Alabama; Florida Excel PDF Map
31501 Coosa-Tallapoosa Alabama; Georgia; Tennessee Excel PDF Map
31502 Alabama Alabama Excel PDF Map
31601 Black Warrior-Tombigbee Alabama; Mississippi Excel PDF Map
31602 Mobile Bay-Tombigbee Alabama; Mississippi Excel PDF Map
31700 Pascagoula Alabama; Louisiana; Mississippi Excel PDF Map
31800 Pearl Louisiana; Mississippi Excel PDF Map
40101 Northwestern Lake Superior Canada; Minnesota Excel PDF Map
40102 St. Louis Minnesota; Wisconsin Excel PDF Map
40103 Southwestern Lake Superior Michigan; Minnesota; Wisconsin Excel PDF Map
40201 Southcentral Lake Superior Michigan; Wisconsin Excel PDF Map
40202 Southeastern Lake Superior Michigan Excel PDF Map
40203 Lake Superior Canada; Michigan; Minnesota; Wisconsin Excel PDF Map
40301 Northwestern Lake Michigan Michigan; Wisconsin Excel PDF Map
40302 Fox Wisconsin Excel PDF Map
40400 Southwestern Lake Michigan Illinois; Indiana; Michigan; Wisconsin Excel PDF Map
40500 Southeastern Lake Michigan Indiana; Michigan Excel PDF Map
40601 Northeastern Lake Michigan Michigan Excel PDF Map
40602 Lake Michigan Illinois; Indiana; Michigan; Wisconsin Excel PDF Map
40700 Northwestern Lake Huron Canada; Michigan Excel PDF Map
40801 Southwestern Lake Huron Michigan Excel PDF Map
40802 Saginaw Michigan Excel PDF Map
40803 Lake Huron Canada; Michigan Excel PDF Map
40900 St. Clair-Detroit Canada; Michigan Excel PDF Map
41000 Western Lake Erie Indiana; Michigan; Ohio Excel PDF Map
41100 Southern Lake Erie Ohio; Pennsylvania Excel PDF Map
41201 Eastern Lake Erie Canada; New York; Ohio; Pennsylvania Excel PDF Map
41202 Lake Erie Canada; Michigan; New York; Ohio; Pennsylvania Excel PDF Map
41300 Southwestern Lake Ontario Canada; New York; Pennsylvania Excel PDF Map
41401 Southeastern Lake Ontario New York Excel PDF Map
41402 Oswego New York Excel PDF Map
41501 Northeastern Lake Ontario New York Excel PDF Map
41502 Lake Ontario Canada; New York Excel PDF Map
41503 St. Lawrence Canada; New York Excel PDF Map
41504 Lake Champlain-Richelieu River Canada; New York; Vermont Excel PDF Map
41505 St. Francois River Canada; Massachusetts; New Hampshire; Vermont Excel PDF Map
50100 Allegheny New York; Pennsylvania Excel PDF Map
50200 Monongahela Maryland; Pennsylvania; West Virginia Excel PDF Map
50301 Upper Ohio-Beaver Ohio; Pennsylvania; West Virginia Excel PDF Map
50302 Upper Ohio-Little Kanawha Ohio; West Virginia Excel PDF Map
50400 Muskingum Ohio Excel PDF Map
50500 Kanawha North Carolina; Tennessee; Virginia; West Virginia Excel PDF Map
50600 Scioto Kentucky; Ohio Excel PDF Map
50701 Guyandotte West Virginia Excel PDF Map
50702 Big Sandy Kentucky; Virginia; West Virginia Excel PDF Map
50800 Great Miami Indiana; Ohio Excel PDF Map
50901 Middle Ohio-Raccoon Kentucky; Ohio; West Virginia Excel PDF Map
50902 Middle Ohio-Little Miami Indiana; Kentucky; Ohio Excel PDF Map
51001 Licking Kentucky Excel PDF Map
51002 Kentucky Kentucky; Virginia Excel PDF Map
51100 Green Kentucky; Tennessee Excel PDF Map
51201 Wabash Illinois; Indiana; Ohio Excel PDF Map
51202 Patoka-White Indiana Excel PDF Map
51301 Upper Cumberland Kentucky; Tennessee; Virginia Excel PDF Map
51302 Lower Cumberland Kentucky; Tennessee Excel PDF Map
51401 Lower Ohio-Salt Indiana; Kentucky Excel PDF Map
51402 Lower Ohio Illinois; Indiana; Kentucky Excel PDF Map
60101 French Broad-Holston North Carolina; South Carolina; Tennessee; Virginia Excel PDF Map
60102 Upper Tennessee Georgia; Kentucky; North Carolina; Tennessee; Virginia; West Virginia Excel PDF Map
60200 Middle Tennessee-Hiwassee Alabama; Georgia; North Carolina; Tennessee Excel PDF Map
60300 Middle Tennessee-Elk Alabama; Georgia; Mississippi; Tennessee Excel PDF Map
60400 Lower Tennessee Kentucky; Mississippi; Tennessee Excel PDF Map
70101 Mississippi Headwaters Minnesota Excel PDF Map
70102 Upper Mississippi-Crow-Rum Minnesota Excel PDF Map
70200 Minnesota Iowa; Minnesota; North Dakota; South Dakota Excel PDF Map
70300 St. Croix Minnesota; Wisconsin Excel PDF Map
70400 Upper Mississippi-Black-Root Iowa; Minnesota; Wisconsin Excel PDF Map
70500 Chippewa Michigan; Wisconsin Excel PDF Map
70600 Upper Mississippi-Maquoketa-Plum Iowa; Illinois; Minnesota; Wisconsin Excel PDF Map
70700 Wisconsin Michigan; Wisconsin Excel PDF Map
70801 Upper Mississippi-Skunk-Wapsipinicon Iowa; Illinois; Minnesota; Missouri Excel PDF Map
70802 Iowa Iowa; Minnesota Excel PDF Map
70900 Rock Illinois; Wisconsin Excel PDF Map
71000 Des Moines Iowa; Minnesota; Missouri Excel PDF Map
71100 Upper Mississippi-Salt Iowa; Illinois; Missouri Excel PDF Map
71200 Upper Illinois Illinois; Indiana; Michigan; Wisconsin Excel PDF Map
71300 Lower Illinois Illinois Excel PDF Map
71401 Upper Mississippi-Meramec Illinois; Kentucky; Missouri Excel PDF Map
71402 Kaskaskia Illinois Excel PDF Map
80101 Lower Mississippi-Memphis Arkansas; Illinois; Kentucky; Missouri; Mississippi; Tennessee Excel PDF Map
80102 Hatchie-Obion Kentucky; Mississippi; Tennessee Excel PDF Map
80201 Lower Mississippi-Helena Arkansas; Mississippi Excel PDF Map
80202 St. Francis Arkansas; Missouri Excel PDF Map
80203 Lower White Arkansas; Missouri Excel PDF Map
80204 Lower Arkansas Arkansas Excel PDF Map
80301 Lower Mississippi-Greenville Arkansas; Louisiana; Mississippi Excel PDF Map
80302 Yazoo Louisiana; Mississippi; Tennessee Excel PDF Map
80401 Upper Ouachita Arkansas Excel PDF Map
80402 Lower Ouachita Arkansas; Louisiana Excel PDF Map
80403 Lower Red Louisiana Excel PDF Map
80500 Boeuf-Tensas Arkansas; Louisiana Excel PDF Map
80601 Lower Mississippi-Natchez Louisiana; Mississippi Excel PDF Map
80602 Big Black-Homochitto Louisiana; Mississippi Excel PDF Map
80701 Lower Mississippi-Baton Rouge Louisiana; Mississippi Excel PDF Map
80702 Lake Maurepas Louisiana; Mississippi Excel PDF Map
80703 Lower Grand Louisiana Excel PDF Map
80801 Atchafalaya-Vermillion Louisiana Excel PDF Map
80802 Calcasieu-Mermentau Louisiana Excel PDF Map
80901 Lower Mississippi-New Orleans Louisiana Excel PDF Map
80902 Lake Pontchartrain Louisiana; Mississippi Excel PDF Map
80903 Central Louisiana Coastal Louisiana Excel PDF Map
90100 Souris Canada; North Dakota Excel PDF Map
90201 Upper Red Minnesota; North Dakota; South Dakota Excel PDF Map
90202 Devils Lake-Sheyenne North Dakota Excel PDF Map
90203 Lower Red Canada; Minnesota; North Dakota Excel PDF Map
90300 Rainy Canada; Minnesota Excel PDF Map
101301 Lake Oahe North Dakota; South Dakota Excel PDF Map
101401 Fort Randall Reservoir Nebraska; South Dakota Excel PDF Map
101402 White Nebraska; South Dakota Excel PDF Map
101500 Niobrara Nebraska; South Dakota; WY Excel PDF Map
101600 James North Dakota; South Dakota Excel PDF Map
101701 Lewis and Clark Lake Nebraska; South Dakota Excel PDF Map
101702 Big Sioux Iowa; Minnesota; Nebraska; South Dakota Excel PDF Map
102001 Middle Platte Nebraska Excel PDF Map
102002 Lower Platte Nebraska Excel PDF Map
102100 Loup Nebraska Excel PDF Map
102200 Elkhorn Nebraska Excel PDF Map
102300 Missouri-Little Sioux Iowa; Minnesota; Nebraska; South Dakota Excel PDF Map
102400 Missouri-Nishnabotna Iowa; Kansas; Missouri; Nebraska Excel PDF Map
102500 Republican Colorado; Kansas; Nebraska Excel PDF Map
102600 Smoky Hill Colorado; Kansas; Nebraska Excel PDF Map
102701 Kansas Kansas; Missouri Excel PDF Map
102702 Big Blue Kansas; Nebraska Excel PDF Map
102801 Grand Iowa; Missouri Excel PDF Map
102802 Chariton Iowa; Missouri Excel PDF Map
102901 Osage Kansas; Missouri Excel PDF Map
102902 Gasconade Missouri Excel PDF Map
103001 Lower Missouri-Blackwater Kansas; Missouri Excel PDF Map
103002 Lower Missouri Missouri Excel PDF Map
110100 Upper White Arkansas; Missouri Excel PDF Map
110300 Middle Arkansas Colorado; Kansas Excel PDF Map
110400 Upper Cimarron Colorado; Kansas; New Mexico; Oklahoma Excel PDF Map
110500 Lower Cimarron Kansas; Oklahoma Excel PDF Map
110600 Arkansas-Keystone Kansas; Oklahoma Excel PDF Map
110701 Verdigris Kansas; Oklahoma Excel PDF Map
110702 Neosho Arkansas; Kansas; Missouri; Oklahoma Excel PDF Map
110902 Lower Canadian Oklahoma; Texas Excel PDF Map
111002 Lower Beaver Oklahoma; Texas Excel PDF Map
111003 Lower North Canadian Oklahoma Excel PDF Map
111101 Robert S. Kerr Reservoir Arkansas; Oklahoma Excel PDF Map
111102 Lower Arkansas-Fourche La Fave Arkansas Excel PDF Map
111201 Prairie Dog Town Fork Red New Mexico; Oklahoma; Texas Excel PDF Map
111202 Salt Fork Red Oklahoma; Texas Excel PDF Map
111203 North Fork Red Oklahoma; Texas Excel PDF Map
111301 Red-Pease Oklahoma; Texas Excel PDF Map
111302 Red-Lake Texoma Oklahoma; Texas Excel PDF Map
111303 Washita Oklahoma; Texas Excel PDF Map
111401 Red-Little Arkansas; Oklahoma; Texas Excel PDF Map
111402 Red-Saline Arkansas; Louisiana; Texas Excel PDF Map
111403 Big Cypress-Sulphur Arkansas; Louisiana; Texas Excel PDF Map
120100 Sabine Louisiana; Texas Excel PDF Map
120200 Neches Texas Excel PDF Map
120301 Upper Trinity Texas Excel PDF Map
120302 Lower Trinity Texas Excel PDF Map
120401 San Jacinto Texas Excel PDF Map
120402 Galveston Bay-Sabine Lake Louisiana; Texas Excel PDF Map
120500 Brazos Headwaters New Mexico; Texas Excel PDF Map
120601 Middle Brazos-Clear Fork Texas Excel PDF Map
120602 Middle Brazos-Bosque Texas Excel PDF Map
120701 Lower Brazos Texas Excel PDF Map
120702 Little Texas Excel PDF Map
120901 Middle Colorado-Concho Texas Excel PDF Map
120902 Middle Colorado-Llano Texas Excel PDF Map
120903 Lower Colorado Texas Excel PDF Map
120904 San Bernard Coastal Texas Excel PDF Map
121001 Lavaca Texas Excel PDF Map
121002 Guadalupe Texas Excel PDF Map
121003 San Antonio Texas Excel PDF Map
121004 Central Texas Coastal Texas Excel PDF Map
121101 Nueces Texas Excel PDF Map
121102 Southwestern Texas Coastal Texas Excel PDF Map
130800 Rio Grande-Falcon Mexico; Texas Excel PDF Map
130900 Lower Rio Grande Mexico; Texas Excel PDF Map