PlainWater
Counties → New York

Lewis County, New York

Water Systems
68
Population Served
16,945
Total Violations
2,649
478 health-based
PFAS Detected
0
of 1 tested

Violation Analysis

88.2%
Systems with Violations
39.0
Avg Violations per System
18.0%
Health-Based Violations

Water Source Types

GW
39 systems (57%)
SW
11 systems (16%)

PFAS Contamination

1
Systems Tested
0
PFAS Detected
0.0%
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

Lewis New York 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
Lowville Village 4,000 141 Clean
Croghan Village 900 17 -
Copenhagen Village 850 19 -
Lyons Falls Village 850 44 -
Port Leyden Village 820 127 -
Beaver Falls Water District 782 0 -
Harrisville (Diana WD 1) 700 5 -
Natural Bridge Watertown NY KOA 375 14 -
Turin Village 350 30 -
Lowville (T) WD #1 350 240 -
Denmark WD 1 350 47 -
Castorland Village 320 88 -
Constableville Village 310 75 -
Martinsburg Water District 310 8 -
Glenfield Water District 300 32 -
Cedar Creek Campground 300 39 -
Watson Town WD 4 300 0 -
Maples (The) 266 73 -
West Leyden Elementary School 250 22 -
Whetstone Gulf State Park 250 1 -
Aldersgate Camp and Retreat Center 220 49 -
Brantingham Golf Club,inc 200 6 -
Lake Bonaparte Marina 200 49 -
Camp Unirondack 200 25 -
Cedar Pine 200 41 -
Timberview Resort, Inc. 200 42 -
Flat Rock Inn 200 83 -
Babcocks Campground 175 21 -
Ridge View Motor Lodge, Inc. 160 14 -
Beaver Camp and Motel 150 14 -
Oswegatchie Ffa Camp 128 22 -
Kevins Tug Hill Hideaway 120 39 -
Coachlight Inn 120 26 -
Carlowden Country Club 101 69 -
Raven Acres Campground 100 0 -
Tuggers Bar & Grill/Campground 80 48 -
Whiskey Jacks Crowfoot Hill Inn 80 69 -
Tug Hill Inn 75 52 -
Harrisville Rod & Gun Club,inc 75 68 -
Montague Inn Rest. & Motel 70 40 -
Pine Tree Inn 60 87 -
Buckhorn Bar & Grill LLC (The) 60 25 -
Nys Dec - Dadville 60 18 -
Crossroads Tavern 54 0 -
Belfort Inn 50 33 -
Doyles Pub & Restaurant 50 57 -
Highmarket Inn 50 27 -
World Famous Osceola Hotel, LLC 50 33 -
Brantingham Station LLC 50 39 -
Milk Plant Tavern 50 5 -

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 Lewis County? ▼
Lewis County has 2,649 total drinking water violations across 68 water systems, of which 478 are health-based violations. 88.2% of systems have at least one violation.
How many people get water from Lewis County systems? ▼
Water systems in Lewis County serve approximately 16,945 people through 68 public water systems.
Has PFAS been detected in Lewis County water? ▼
Of 1 water systems tested for PFAS in Lewis County, 0 had PFAS detected (0.0% detection rate).
What types of water sources supply Lewis County? ▼
Water systems in Lewis 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. 18.0% of Lewis 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.