County · New Hampshire
Cheshire County, New Hampshire: drinking water records
This overview covers 25 ZIP codes and 31 community water systems in Cheshire County. It also stands in for 14 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Keene Water Dept NH1241010 | 30,000 | 240 | 0 | 0 | 0 ppb |
| Jaffrey Water Works NH1221010 | 3,800 | 240 | 3 | 0 | 0 ppb |
| West Swanzey Water NH2301020 | 430 | 0 | 0 | 1 | 20 ppb |
| Cheshire County Complex NH2494010 | 380 | 0 | 0 | 2 | 32 ppb |
| Surry Village Water NH2281010 | 50 | 0 | 0 | 1 | 17 ppb |
| 20 Jaffrey Rd NH0823010 | 32 | 0 | 0 | 2 | 25 ppb |
| Troy Water Works NH2361010 | 1,200 | 0 | 0 | 0 | 37 ppb |
| Pine Grove Mobile Home Park NH2303010 | 305 | 0 | 0 | 0 | 64 ppb |
| View Point Coop NH2303020 | 248 | 0 | 0 | 1 | not reported |
| Monadnock Tenants NH1993010 | 200 | 0 | 0 | 0 | 126 ppb |
| Eastfield Crossing NH2302040 | 113 | 0 | 0 | 0 | 21 ppb |
| Ashuelot River Apts NH2302010 | 100 | 0 | 0 | 0 | 19 ppb |
| Fitzwilliam Village/Laughner NH0821020 | 65 | 0 | 0 | 0 | 53 ppb |
| Well Hill NH0053010 | 60 | 0 | 0 | 0 | 33 ppb |
| Hampshire Court Water NH1992040 | 50 | 0 | 0 | 0 | 18 ppb |
| Fitzwilliam Village/Prigge NH0821010 | 43 | 0 | 0 | 1 | not reported |
| Papermill Village NH0052010 | 24 | 0 | 0 | 1 | not reported |
| Winchester Water Dept NH2531010 | 2,800 | 0 | 0 | 0 | not reported |
| North Hinsdale Water Dept NH1151010 | 1,800 | 0 | 0 | 0 | not reported |
| N Swanzey Water and Fire Prct NH2301010 | 1,700 | 0 | 0 | 0 | not reported |
| Hinsdale Water Dept/Downtown NH1151020 | 1,600 | 0 | 0 | 0 | not reported |
| Walpole Water Dept NH2401010 | 1,057 | 0 | 0 | 0 | not reported |
| Marlborough Water Works NH1481010 | 750 | 0 | 0 | 0 | not reported |
| Forest View Estates NH2302050 | 180 | 0 | 0 | 0 | not reported |
| South Parrish NH2533010 | 140 | 0 | 0 | 0 | not reported |
ZIP reports in Cheshire County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 03441, 03443, 03444, 03445, 03448, 03450, 03456, 03457, 03462, 03464, 03466, 03604, 03608, 03609.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.