| Partridge Lake | NH | Lake/Reservoir/Pond | Not Supporting | 3 | 99 |
| Partridge Pond | MA | Lake, Freshwater | Not Supporting | 4 | 25 |
| Partridgeville Pond | MA | Lake, Freshwater | Not Supporting | 1 | 38 |
| Parvin Branch / Tarkiln Branch | NJ | Lake | Not Supporting | 2 | 26 |
| Pascack Brook (above Westwood gage) | NJ | Lake | Not Supporting | 5 | 166 |
| Pascack Brook (below Westwood gage) | NJ | Lake | Not Supporting | 7 | 27 |
| Pass Lake | WA | Lake/Reservoir/Pond | Not Supporting | 2 | 95 |
| Passadumkeag River | ME | Lake, Freshwater | Fully Supporting | 0 | 10,851 |
| Passadumkeag River | ME | Lake, Freshwater | Fully Supporting | 0 | 8,073 |
| Passaic R Lwr (4th St br to Second R) | NJ | Lake | Not Supporting | 10 | 25 |
| Passaic R Lwr (Dundee Dam to F.L. Ave) | NJ | Lake | Not Supporting | 9 | 59 |
| Passaic R Lwr (Goeffle Bk to Pump stn) | NJ | Lake | Not Supporting | 10 | 8.72 |
| Passaic R Lwr (Goffle Bk to Pompton R) | NJ | Lake | Not Supporting | 9 | 8.32 |
| Passaic R Lwr (Saddle R to Dundee Dam) | NJ | Lake | Not Supporting | 13 | 0.73 |
| Passaic R Lwr (Second R to Saddle R) | NJ | Lake | Not Supporting | 11 | 2.68 |
| Passaic R Upr (above Osborn Mills) | NJ | Lake | Not Supporting | 5 | 28 |
| Passaic R Upr (Columbia Rd to 40d 45m) | NJ | Lake | Not Supporting | 6 | 12 |
| Passaic R Upr (Dead R to Osborn Mills) | NJ | Lake | Not Supporting | 5 | 7.76 |
| Passaic R Upr (HanoverRR to ColumbiaRd) | NJ | Lake | Not Supporting | 7 | 165 |
| Passaic R Upr (Pine Bk br to Rockaway) | NJ | Lake | Not Supporting | 10 | 1.12 |
| Passaic R Upr (Pompton R to Pine Bk) | NJ | Lake | Not Supporting | 11 | 3.33 |
| Pat Martin Lake | MN | Lake, Freshwater | Not Supporting | 2 | 41 |
| Pat Mayse Lake | TX | Reservoir | Not Supporting | 1 | 3,306 |
| Pat Mayse Lake | TX | Reservoir | Not Supporting | 1 | 2,592 |
| Patagonia Lake | AZ | Lake, Freshwater | Not Supporting | 1 | 231 |
| Patch | VT | Lake, Freshwater | Not Supporting | 1 | 20 |
| Patcong Creek (Somers Ave to Zion Rd) | NJ | Lake | Not Supporting | 1 | 51 |
| Pate Lake | FL | Lake, Freshwater | Not Supporting | 1 | 387 |
| Patoka New | IL | Lake, Freshwater | Not Supporting | 3 | 6.00 |
| Patoka Old | IL | Lake, Freshwater | Not Supporting | 3 | 6.00 |
| Patoka Reservoir (Pws) | IN | Lake, Freshwater | Fully Supporting | 0 | 8,880 |
| Patrick Lake | WI | Lake, Freshwater | Fully Supporting | 0 | 39 |
| Patsaliga Creek (Point A Lake) | AL | Reservoir | Not Supporting | 1 | 154 |
| Pattagansett Lake (East Lyme) | CT | Lake, Freshwater | Fully Supporting | 0 | 126 |
| Patten Lake | WI | Lake, Freshwater | Fully Supporting | 0 | 254 |
| Patterson Lake | MI | Lake, Freshwater | Not Supporting | 2 | 159 |
| Patterson Lake | ND | Reservoir | Not Supporting | 3 | 957 |
| Pattison Lake | WA | Lake/Reservoir/Pond | Not Supporting | 2 | 254 |
| Paugus Bay | NH | Lake/Reservoir/Pond | Not Supporting | 4 | 1,224 |
| Paul | MN | Lake, Freshwater | Not Supporting | 1 | 330 |
| Paul Colsmann Dam I | NH | Impoundment | Not Supporting | 1 | 3.52 |
| Paul Stream | VT | Lake, Freshwater | Fully Supporting | 0 | 20 |
| Paulina Lake | OR | Lake/Reservoir/Pond | Not Supporting | 2 | 1,371 |
| Pauline | MN | Lake, Freshwater | Not Supporting | 1 | 64 |
| Paulins Kill (above Rt 15) | NJ | Lake | Not Supporting | 5 | 28 |
| Paulins Kill (below Blairstown gage) | NJ | Lake | Not Supporting | 4 | 128 |
| Paulins Kill (Blairstown to Stillwater) | NJ | Lake | Not Supporting | 4 | 119 |
| Paulins Kill (Dry Brook to Rt 15) | NJ | Lake | Not Supporting | 2 | 2.10 |
| Paulins Kill (PK Lk outlet to Dry Brook) | NJ | Lake | Not Supporting | 3 | 187 |
| Paulins Kill (Stillwater Vil to PK Lake) | NJ | Lake | Not Supporting | 2 | 3.44 |