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 9,801–9,850 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 |
|---|---|---|---|
| Narraguagus River | ME | Fully Supporting | 0 |
| Narraguagus River | ME | Fully Supporting | 0 |
| Narraguinnep Reservoir. | CO | Not Supporting | 1 |
| Narrow Lake | MI | Not Supporting | 1 |
| Nashawannuck Pond | MA | Not Supporting | 3 |
| Nashua River - Jackson Plant Dam Pond | NH | Not Supporting | 3 |
| Nashua River - Mine Falls Dam Pond | NH | Not Supporting | 5 |
| Nashua River - Nashua Canal | NH | Not Supporting | 2 |
| Nashua River - Nashua Canal Dike | NH | Not Supporting | 5 |
| Nashville City | IL | Not Supporting | 3 |
| Nassau Lake | NY | Not Supporting | 2 |
| Nathan Pond | NH | Not Supporting | 1 |
| Naticook Lake | NH | Not Supporting | 2 |
| Naticook Lake - Camp Sargent Beach | NH | Not Supporting | 1 |
| Naticook Lake - Naticook Day Camp Beach | NH | Not Supporting | 1 |
| Naticook Lake - Wasserman Park Beach | NH | Not Supporting | 2 |
| Navajo Lake | UT | Not Supporting | 1 |
| Navajo Reservoir | NM | Not Supporting | 2 |
| Navajo Reservoir. | CO | Not Supporting | 1 |
| Navarro Mills Lake | TX | Not Supporting | 1 |
| Navesink R (below Rt 35)/LowerShrewsbury | NJ | Not Supporting | 9 |
| Nawakwa Lake | MI | Not Supporting | 1 |
| Nay Pond | NH | Not Supporting | 1 |
| Neal | VT | Fully Supporting | 0 |
| Nebish Lake | WI | Fully Supporting | 0 |
| Nebo SFL | KS | Not Supporting | 1 |
| Necedah Lake | WI | Not Supporting | 1 |
| Ned Wilson Lake. | CO | Not Supporting | 1 |
| Nee Gronda Reservoir. | CO | Not Supporting | 1 |
| Needle Shop Brook - Needle Shop Dam II | NH | Not Supporting | 1 |
| Neff Lake | FL | Not Supporting | 4 |
| Nehonsey Bk / Clonmell Ck (LDRV to MantuaCk) | NJ | Not Supporting | 1 |
| Neilson (Holm) Lake | WA | Not Supporting | 2 |
| Nels | MN | Not Supporting | 1 |
| Nelson | MN | Not Supporting | 1 |
| Nelson Lake | ND | Fully Supporting | 0 |
| Nelson Lake | WI | Not Supporting | 1 |
| Nelson North Carlson Lake | ND | Fully Supporting | 0 |
| Nelson Paradise Pond | RI | Not Supporting | 3 |
| Nelson Park Lake | IA | Fully Supporting | 0 |
| Nelson Reservoir | MT | Not Supporting | 2 |
| Neosho Co. SFL | KS | Not Supporting | 3 |
| Neosho Falls City Lake | KS | Not Supporting | 1 |
| Nepco Lake | WI | Fully Supporting | 0 |
| Nephawin Lake-02050106002897 | PA | Fully Supporting | 0 |
| Neponset Reservoir | MA | Not Supporting | 3 |
| Nesbitt Lake | NV | Not Supporting | 3 |
| Nesenkeag Brook | NH | Not Supporting | 1 |
| Nesenkeag Brook | NH | Not Supporting | 1 |
| Neshanic River (below Black Brk) | NJ | Not Supporting | 4 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026