Public Water Systems
2,453 active public water systems in NH, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Sanbornton Rest Area | Concord, NH | 1,200 | 0 | - |
| Troy Water Works | Troy, NH | 1,200 | 245 | - |
| Sutton Rest Area | Concord, NH | 1,160 | 0 | - |
| Powder Hill | Nashua, NH | 1,155 | 14 | - |
| Hillsborough Cnty Yth Cntr | New Boston, NH | 1,150 | 8 | - |
| Timberlane Regional Hs | Plaistow, NH | 1,137 | 50 | - |
| Totem Pole Park | Freedom, NH | 1,125 | 7 | - |
| Grasmere Water Pct/Main | Goffstown, NH | 1,125 | 41 | - |
| Windham High Sch | Windham, NH | 1,110 | 18 | - |
| Greenville Water Dept | Greenville, NH | 1,100 | 32 | - |
| Walpole Water Dept | Walpole, NH | 1,057 | 539 | - |
| Rosebrook Water | Monroe, NH | 1,050 | 172 | - |
| Lisbon Water Dept | Lisbon, NH | 1,010 | 252 | - |
| Mt Attitash Ski/Adventure Ctr | Bartlett, NH | 1,000 | 20 | - |
| Fnsp Tram Summit Station | Concord, NH | 1,000 | 41 | - |
| Fnsp Cannon Mtn Peabody Slope | Franconia, NH | 1,000 | 72 | - |
| Fnsp the Flume | Franconia, NH | 1,000 | 41 | - |
| Candia First Stoppe | Londonderry, NH | 999 | 12 | - |
| Rapid Refill 135 | Plymouth, NH | 999 | 5 | - |
| Wendys/Dunkin Donuts | Epsom, NH | 999 | 8 | - |
| Sawyers Dairy Bar | North Salem, NH | 999 | 23 | - |
| Wakeda Campground | Hampton Falls, NH | 999 | 0 | - |
| Santas Village | Jefferson, NH | 999 | 6 | - |
| Loon Mountain Camp III | Lincoln, NH | 999 | 16 | - |
| Loon Mountain Summit Cafe | Lincoln, NH | 999 | 0 | - |
| Mt Washington Cog Rw/Peppersas | Mt Washington, NH | 999 | 16 | - |
| Pawtuckaway St Pk/Admn Complex | Nottingham, NH | 999 | 30 | - |
| Pawtuckaway St Pk/Horse Island | Nottingham, NH | 999 | 37 | - |
| Pawtuckaway St Pk/Day Use Area | Nottingham, NH | 999 | 32 | - |
| Exeter River Mobile Home Park | Exeter, NH | 980 | 76 | - |
| Hollis Brookline Hs | Hollis, NH | 980 | 149 | - |
| Gilford Middle and High Sch | Gilford, NH | 958 | 102 | - |
| 470 Mobil | Bedford, NH | 950 | 16 | - |
| Mt Sunapee Ski Area/Main Lodge | West Ossipee, NH | 950 | 7 | - |
| Mt Sunapee Ski Area/Summit | Concord, NH | 950 | 16 | - |
| Williamsburg | Nashua, NH | 928 | 46 | - |
| Great Bay Camping/Store/Deli | Newfields, NH | 925 | 20 | - |
| Antrim Sewer and Water Dept | Antrim, NH | 920 | 58 | - |
| New Castle Water Works | Portsmouth, NH | 910 | 115 | - |
| Dunkin Donuts | Greenland, NH | 900 | 14 | - |
| Fnsp Tram Valley Station | Franconia, NH | 900 | 36 | - |
| McDonalds Restaurant | Amherst, NH | 900 | 35 | - |
| McDonalds Restaurant | Amherst, NH | 900 | 53 | - |
| Wildcat Mountain Ski Area | Bartlett, NH | 900 | 8 | - |
| Plaistow Petro King | Worcester, NH | 900 | 21 | - |
| Timberlane Middle Sch | Plaistow, NH | 897 | 18 | - |
| Cabot Preserve | Nashua, NH | 878 | 14 | - |
| Carroll Water Works | Twin Mountain, NH | 875 | 14 | - |
| Sanborn Regional Middle/High | Kingston, NH | 875 | 8 | - |
| Brook Park Ests | Nashua, NH | 875 | 7 | - |