| Stone Pond | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 25 |
| Stone Pond - Town Beach | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 0.32 |
| Stonehouse Pond | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 13 |
| Stoney Brook - George Pond | NH | Impoundment | Not Supporting | 1 | 49 |
| Stoney Brook Pond - Eastman Brook | NH | Impoundment | Not Supporting | 1 | 2.50 |
| Stony Brook | NH | Impoundment | Not Supporting | 1 | 5.00 |
| Stony Brook | NH | Impoundment | Not Supporting | 1 | 2.00 |
| Stony Brook | NH | Impoundment | Not Supporting | 1 | 0.50 |
| Storrs Pond | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 16 |
| Storrs Pond - Adult Beach | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 1.38 |
| Storrs Pond - Recreation Area Beach | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 0.90 |
| Stratford Bog Pond | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 33 |
| Streeter Pond | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 54 |
| Stub Hill Pond | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 2.89 |
| Stump Pond | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 19 |
| Success Pond | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 281 |
| Sucker Brook-Sucker Brook I Dam | NH | Impoundment | Not Supporting | 3 | 0.15 |
| Sugar Brook Pond Dam | NH | Impoundment | Not Supporting | 1 | 1.52 |
| Sugar River | NH | Impoundment | Not Supporting | 1 | 0.32 |
| Sugar River | NH | Impoundment | Not Supporting | 1 | 0.09 |
| Sugar River | NH | Impoundment | Not Supporting | 2 | 0.51 |
| Sugar River | NH | Impoundment | Not Supporting | 1 | 8.00 |
| Sugar River | NH | Impoundment | Not Supporting | 4 | 2.00 |
| Sugar River | NH | Impoundment | Not Supporting | 1 | 46 |
| Sugar River - Door Mill Pond | NH | Impoundment | Not Supporting | 1 | 0.25 |
| Sugar River - Lower Village | NH | Impoundment | Not Supporting | 1 | 1.10 |
| Sugar River - Lower Village Dam | NH | Impoundment | Not Supporting | 1 | 1.00 |
| Sugar River - Recreation Pond | NH | Impoundment | Not Supporting | 1 | 0.30 |
| Sugar River - Ruger Hydro | NH | Impoundment | Not Supporting | 1 | 0.37 |
| Sugar River - Sugar River a Mill | NH | Impoundment | Not Supporting | 2 | 5.90 |
| Sugar River - Sugar River Foundry Dam | NH | Impoundment | Not Supporting | 1 | 1.50 |
| Sugar River - Wendall Marsh Dam | NH | Impoundment | Not Supporting | 1 | 37 |
| Sumners Pond | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 18 |
| Sunapee Lake | NH | Lake/Reservoir/Pond | Not Supporting | 4 | 4,115 |
| Sunapee Lake - Blodgett's Landing Beach | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 1.28 |
| Sunapee Lake - Depot Beach | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 0.12 |
| Sunapee Lake - Dewey (Town) Beach | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 0.73 |
| Sunapee Lake - Georges Mill Town Beach | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 0.68 |
| Sunapee Lake - Sunapee State Park Beach | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 1.28 |
| Suncook River | NH | Impoundment | Not Supporting | 1 | 0.25 |
| Suncook River - Barnstead Parade Dam Pond | NH | Impoundment | Not Supporting | 3 | 109 |
| Suncook River - China Mill Dam | NH | Impoundment | Not Supporting | 1 | 1.50 |
| Suncook River - Huckins Mill Dam | NH | Impoundment | Not Supporting | 2 | 5.00 |
| Suncook River - Pembroke Dam | NH | Impoundment | Not Supporting | 1 | 2.00 |
| Suncook River - Webster Mill | NH | Impoundment | Not Supporting | 1 | 15 |
| Sunray Shores Cove | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 11 |
| Sunrise Lake | NH | Lake/Reservoir/Pond | Not Supporting | 6 | 246 |
| Sunrise Lake - Town Beach | NH | Lake/Reservoir/Pond | Not Supporting | 3 | 0.53 |
| Sunset Lake | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 33 |
| Sunset Lake | NH | Lake/Reservoir/Pond | Not Supporting | 2 | 252 |