PlainWater
Counties → New Hampshire

Cheshire County, New Hampshire

Water Systems
170
Population Served
69,097
Total Violations
12,313
1,174 health-based
PFAS Detected
1
of 3 tested

Violation Analysis

87.1%
Systems with Violations
72.4
Avg Violations per System
9.5%
Health-Based Violations

Water Source Types

GW
47 systems (28%)
SW
3 systems (2%)

PFAS Contamination

3
Systems Tested
1
PFAS Detected
33.3%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Cheshire New Hampshire water systems by violation status, EPA SDWIS records.

No violations on record (4) One or more violations (46)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Keene Water Dept 30,000 81 Clean
Jaffrey Water Works 3,800 112 Detected
Winchester Water Dept 2,800 13 -
North Hinsdale Water Dept 1,800 405 -
Franklin Pierce University 1,638 179 -
Hinsdale Water Dept/Downtown 1,600 502 -
N Swanzey Water and Fire Prct 1,400 40 -
Monadnock Regional High Sch 1,202 117 -
Troy Water Works 1,200 245 -
Walpole Water Dept 1,057 539 -
Marlborough Water Works 750 245 -
Honey Farms Store 92 700 84 -
N Walpole Village District/Low 625 257 -
Chesterfield Petro 500 6 -
Rindge Memorial Sch 450 62 -
West Swanzey Water 430 104 -
Grace Comm Evang Free Church 400 8 -
Residential Camp Monadnock 400 12 -
Veterans of Foreign Wars 5613 400 125 -
Stuart and Johns Sugar House 400 0 -
Cheshire County Complex 380 370 -
Camp Takodah 375 27 -
Alstead Vilas Sch 367 2 -
Camp Spofford/Kitchen 357 32 -
United Natural Foods 330 40 Clean
Chesterfield Central Sch 322 110 -
State Line Campground 313 36 -
Woodmore Campground 313 44 -
Pine Grove Mobile Home Park 305 110 -
Kingdom Christian Ministries 300 39 -
Hannaford Rindge 8180 275 14 -
Hometown Irving 250 13 -
Rindge Crossings 250 8 -
View Point Coop 248 928 -
Swanzey Lake Camping Area 224 26 -
Dublin School 215 104 -
Aldworth Manor 212 8 -
Ashuelot River Campground 202 4 -
Town Beach Wares Grove 200 39 -
Pierre Place 200 7 -
Riverside Hotel 200 34 -
Monadnock State Park/Main 200 32 -
Camp Wanocksett/Parking Lot 200 36 -
Camp Wanocksett/Kitchen 200 0 -
St Benedict Center Monastery 200 121 -
Shir Roy Camping Area 200 52 -
Monadnock Tenants 200 38 -
Cheshire Market Place 200 154 -
Camp Starfish / Moose Manor 200 0 -
Camp Starfish/Kitchen 200 0 -

Other Counties in New Hampshire

Hillsborough County
280 systems · 336,342 served · 17,880 violations
Rockingham County
559 systems · 273,232 served · 32,389 violations
Merrimack County
247 systems · 124,101 served · 14,635 violations
Strafford County
132 systems · 107,387 served · 8,921 violations
Grafton County
269 systems · 101,638 served · 20,540 violations
Carroll County
363 systems · 80,560 served · 21,120 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Cheshire County? ▼
Cheshire County has 12,313 total drinking water violations across 170 water systems, of which 1,174 are health-based violations. 87.1% of systems have at least one violation.
How many people get water from Cheshire County systems? ▼
Water systems in Cheshire County serve approximately 69,097 people through 170 public water systems.
Has PFAS been detected in Cheshire County water? ▼
Of 3 water systems tested for PFAS in Cheshire County, 1 had PFAS detected (33.3% detection rate).
What types of water sources supply Cheshire County? ▼
Water systems in Cheshire County use GW (47 systems), SW (3 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 9.5% of Cheshire County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.