| Rainbow Lake - Karen-Gena Beach | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 0.32 |
| Rainbow Lake Hilmark Assoc | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 0.24 |
| Rainbow Reservoir (Windsor/Bloomfield/East Granby) | CT | Lake, Freshwater | Not Supporting | 2 | 214 |
| Raintree Lake | MO | Reservoir | Not Supporting | 1 | 248 |
| Rainy | MN | Lake, Freshwater | Not Supporting | 1 | 45,734 |
| Raleigh Reservoir | ND | Reservoir | Fully Supporting | 0 | 59 |
| Ralston Reservoir. | CO | Lake/Reservoir/Pond | Fully Supporting | 0 | 153 |
| Ramah Reservoir | NM | Reservoir | Not Supporting | 1 | 145 |
| Ramapo R (above 74d 11m 00s) | NJ | Lake | Not Supporting | 4 | 84 |
| Ramapo R (above Fyke Bk to 74d 11m 00s) | NJ | Lake | Not Supporting | 4 | 41 |
| Ramapo R (Bear Swamp Bk thru Fyke Bk) | NJ | Lake | Not Supporting | 5 | 46 |
| Ramapo R (below Crystal Lake bridge) | NJ | Lake | Not Supporting | 8 | 433 |
| Ramapo R (Crystal Lk br to BearSwamp Bk) | NJ | Lake | Not Supporting | 1 | 13 |
| Ramona Lake | CA | Lake/Reservoir/Pond | Not Supporting | 6 | 18 |
| Ramsey | IL | Lake, Freshwater | Not Supporting | 2 | 47 |
| Ramsey | MN | Lake, Freshwater | Not Supporting | 1 | 306 |
| Ramsey Det Pond 1 Dam | NH | Impoundment | Not Supporting | 1 | 4.37 |
| Ramshead | MN | Lake, Freshwater | Not Supporting | 1 | 549 |
| Ranch Lake | WI | Lake, Freshwater | Fully Supporting | 0 | 52 |
| Rancocas Ck (below Rt 130) | NJ | Lake | Not Supporting | 3 | 17 |
| Rancocas Ck (Rt 130 to Martins Beach) | NJ | Lake | Not Supporting | 1 | 45 |
| Rancocas Ck NB (below Smithville) | NJ | Lake | Not Supporting | 4 | 0.58 |
| Rancocas Ck NB (incl Mirror Lk-GauntsBk) | NJ | Lake | Not Supporting | 8 | 159 |
| Rancocas Ck NB (NL dam to Mirror Lk) | NJ | Lake | Not Supporting | 9 | 0.45 |
| Rancocas Ck NB (Pemberton br to NL dam) | NJ | Lake | Not Supporting | 6 | 45 |
| Rancocas Ck NB (Smithville to Rt 206) | NJ | Lake | Not Supporting | 4 | 22 |
| Rancocas Ck SB (above Friendship Ck) | NJ | Lake | Not Supporting | 4 | 640 |
| Rancocas Ck SB (Vincentown-FriendshipCk) | NJ | Lake | Not Supporting | 5 | 26 |
| Rancocas Ck SW Branch (below Medford br) | NJ | Lake | Not Supporting | 7 | 5.01 |
| Rand Pond | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 48 |
| Rand Pond - Public Way Beach | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 0.10 |
| Randall Lake | MI | Lake, Freshwater | Not Supporting | 2 | 400 |
| Randlett Pond | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 32 |
| Randolph | IL | Lake, Freshwater | Not Supporting | 2 | 65 |
| Randolph-n; | VT | Lake, Freshwater | Fully Supporting | 0 | 10 |
| Random Lake | WI | Lake, Freshwater | Fully Supporting | 0 | 212 |
| Randy Poynter Reservoir aka (Big Haynes Reservoir, Black Shoals Lake) | GA | Lake, Freshwater | Not Supporting | 1 | 650 |
| Range Line Lake | WI | Lake, Freshwater | Not Supporting | 1 | 93 |
| Range Line Lake | WI | Lake, Freshwater | Not Supporting | 1 | 129 |
| Ranger Lake-02040106001362 | PA | Lake/Reservoir/Pond | Not Supporting | 1 | 39 |
| Rapid Creek Lakes | ID | Lake, Freshwater | Fully Supporting | 0 | 22 |
| Raponda | VT | Lake, Freshwater | Fully Supporting | 0 | 121 |
| Raquette Lake | NY | Lake/Reservoir/Pond | Not Supporting | 1 | 5,197 |
| Raritan R Lwr (below Lawrence Bk) | NJ | Lake | Not Supporting | 10 | 23 |
| Raritan R Lwr (Lawrence Bk to Mile Run) | NJ | Lake | Not Supporting | 11 | 5.09 |
| Raritan R Lwr (MileRun to I-287 Pisctwy) | NJ | Lake | Not Supporting | 9 | 5.76 |
| Raritan R Lwr (Millstone to Rt 206) | NJ | Lake | Not Supporting | 10 | 15 |
| Raritan R Lwr (Rt 206 to NB / SB) | NJ | Lake | Not Supporting | 8 | 36 |
| Raritan R NB (above/incl India Bk) | NJ | Lake | Not Supporting | 2 | 6.48 |
| Raritan R NB (below Rt 28) | NJ | Lake | Not Supporting | 3 | 6.57 |