Browse lakes and reservoirs
Named lake-type waterbodies with a populated record: assessment verdicts, listed impairment causes, or a linked USGS gauge. Data updated 2026-08-17.
Waterbodies
Showing 5,651–5,700 of 15,611
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All New Hampshire 2,233 Minnesota 1,939 Wisconsin 1,219 Florida 973 Michigan 776 Vermont 712 Massachusetts 678 New Jersey 588 South Carolina 473 Illinois 439 New York 428 Washington 385 Texas 323 Kansas 304 Maine 302 Alabama 263 Nebraska 250 Pennsylvania 246 California 195 Virginia 193 Idaho 186 South Dakota 176 North Dakota 174 Oklahoma 173 Missouri 170 Iowa 167 Oregon 167 Indiana 162 Rhode Island 126 Colorado 122 Kentucky 108 Georgia 98 Connecticut 97 North Carolina 92 Utah 84 Louisiana 74 Tennessee 73 Arkansas 69 New Mexico 58 Montana 52 Nevada 50 Delaware 46 Arizona 44 West Virginia 44 Maryland 37 Mississippi 14 Alaska 12 Wyoming 8 Ohio 7 Hawaii 2
| Waterbody | State | Status | Causes |
|---|---|---|---|
| Indian Pond | NH | Not Supporting | 1 |
| Indian Pond | NH | Not Supporting | 2 |
| Indian Pond - Town Beach | NH | Not Supporting | 1 |
| Indian Run (Muddy Run) | NJ | Not Supporting | 3 |
| Indian Springs State Park Day Use Beach | GA | Fully Supporting | 0 |
| Indian Springs State Park Group Camp Beach | GA | Fully Supporting | 0 |
| Indian Stream - Pearly Terrill Dam | NH | Not Supporting | 1 |
| Indiana Lake | IN | Fully Supporting | 0 |
| Ingham Lake | IA | Not Supporting | 2 |
| Ingraham Brook Pond | MA | Not Supporting | 1 |
| Ingrams Pond | DE | Not Supporting | 2 |
| Inguadona (N. Bay) | MN | Not Supporting | 1 |
| Inguadona (S. Bay) | MN | Not Supporting | 1 |
| Inks Lake | TX | Fully Supporting | 0 |
| Inlet to Howe Reservoir | NH | Not Supporting | 2 |
| Inlet to Paugus Bay Through South Down | NH | Not Supporting | 3 |
| Inman | VT | Fully Supporting | 0 |
| Inman | VT | Fully Supporting | 0 |
| Inman Lake | KS | Not Supporting | 1 |
| Inner Las Vegas Bay | NV | Fully Supporting | 0 |
| Insula | MN | Not Supporting | 1 |
| Interfalls Lake | WI | Fully Supporting | 0 |
| Intermediate Lake | MI | Not Supporting | 1 |
| International Amistad Reservoir | TX | Fully Supporting | 0 |
| International Amistad Reservoir | TX | Fully Supporting | 0 |
| International Falcon Reservoir | TX | Fully Supporting | 0 |
| International Mining and Chemical | IL | Not Supporting | 3 |
| Interstate Lake (North Platte) | NE | Not Supporting | 1 |
| Intervale Pond | NH | Not Supporting | 2 |
| Iola Lake | WI | Fully Supporting | 0 |
| Iona Lake | NH | Not Supporting | 2 |
| Iona Lake - Camp Albany Beach | NH | Not Supporting | 1 |
| Iowa | MN | Not Supporting | 1 |
| Iowa | MN | Not Supporting | 1 |
| Iowa Lake | IA | Not Supporting | 4 |
| Iowa Lake | IA | Not Supporting | 3 |
| Ireland Brook | NJ | Not Supporting | 2 |
| Irene | MN | Not Supporting | 1 |
| Irene, Lake | MN | Not Supporting | 1 |
| Irgens | MN | Not Supporting | 1 |
| Iris Lakes | ID | Fully Supporting | 0 |
| Irish Lake | IN | Fully Supporting | 0 |
| Irogami Lake | WI | Fully Supporting | 0 |
| Iron | MN | Not Supporting | 1 |
| Iron | MN | Not Supporting | 1 |
| Iron Creek Lake | SD | Not Supporting | 1 |
| Iron Gate Reservoir | CA | Not Supporting | 1 |
| Iron Horse Trail (WMA) | NE | Not Supporting | 5 |
| Iron Lake | MI | Not Supporting | 3 |
| Irondequoit Bay | NY | Not Supporting | 2 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026