PlainWater
Counties → New York

Herkimer County, New York

Water Systems
125
Population Served
49,044
Total Violations
13,517
462 health-based
PFAS Detected
1
of 5 tested

Violation Analysis

96.0%
Systems with Violations
108.1
Avg Violations per System
3.4%
Health-Based Violations

Water Source Types

GW
39 systems (31%)
SW
11 systems (9%)

PFAS Contamination

5
Systems Tested
1
PFAS Detected
20.0%
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

Herkimer New York water systems by violation status, EPA SDWIS records.

No violations on record (3) One or more violations (47)

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
Ilion (V) Water Works 8,053 88 Clean
Herkimer Village 7,606 604 Clean
Little Falls City 4,605 32 Clean
Frankfort (V) Water Works 2,995 200 -
Mohawk (V) Water Works 2,985 254 -
Nys Thruway - Indian Castle/Iroquois 2,780 286 -
Dolgeville (V) PWS 2,166 293 -
Old Forge Water District 1,766 74 -
East Herkimer Water District 1,024 14 Clean
Webb Water Dist.no.1- Old Forg Cpg Rst. 992 0 -
West Canada JR-SR High School 900 462 -
West Winfield Village 862 131 -
Newport Village 740 162 -
Frankfort WD #2 700 4 -
Middleville (V) Water Works 550 265 -
Frankfort WD #4 (Ilion) 535 6 -
Poland Village 508 85 Clean
Nys-Nicks Lake State Park 400 49 -
Ilion Perimeter Water District 354 3 -
Cedar Lake Club 300 43 -
Eagle Bay Park Association 300 92 -
Dolgeville Rod & Gun Club 250 10 -
Millers Grove Trailer Park 217 260 -
Adirondack American Legion #1118 200 30 -
Thendara Water District 193 11 -
Herkimer WD #3 (Highland-Steuben) 192 0 -
Frankfort WD #11 186 0 -
Adirondack Woodcraft Camps 179 40 -
Beardslee Castle 150 186 -
Trails End Campground & Mobile Park 150 251 -
Duffys at the Glenmore 150 104 -
Stonebridge Restaurant and Banquets 150 181 -
VFW Post 2338- George R. Pritchard 150 106 -
Salisbury Vfd 150 17 -
Htr Adirondacks 145 241 -
Country Club Grille 140 155 -
YMCA Camp Gorham 138 69 -
Wall Street Meadows 130 1,063 -
Nys-Hinckley Day Use Area 125 35 -
Holiday Shores Estates 125 450 -
Kenmore Cottages 125 31 -
Cooperstown KOA 120 48 -
Camp Mark VII 110 52 -
Manion Heights W.D. 105 12 -
Herkimer Diamond Mines, Inc. 101 56 -
Maplewood BBQ & Spirits 101 53 -
North Woods Lodge & Resort 100 259 -
Covewood Lodge 100 82 -
Viking Village 100 28 -
Eagle Bay Village 100 29 -

Other Counties in New York

Richmond County
1 systems · 8,271,000 served · 47 violations
Suffolk County
152 systems · 1,387,905 served · 3,402 violations
Nassau County
44 systems · 1,387,489 served · 7,471 violations
Westchester County
274 systems · 992,853 served · 15,832 violations
Erie County
108 systems · 955,615 served · 7,606 violations
Onondaga County
88 systems · 615,889 served · 2,561 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Herkimer County? ▼
Herkimer County has 13,517 total drinking water violations across 125 water systems, of which 462 are health-based violations. 96.0% of systems have at least one violation.
How many people get water from Herkimer County systems? ▼
Water systems in Herkimer County serve approximately 49,044 people through 125 public water systems.
Has PFAS been detected in Herkimer County water? ▼
Of 5 water systems tested for PFAS in Herkimer County, 1 had PFAS detected (20.0% detection rate).
What types of water sources supply Herkimer County? ▼
Water systems in Herkimer County use GW (39 systems), SW (11 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. 3.4% of Herkimer 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.