PlainWater

Essex County, New York

Water Systems
137
Population Served
43,892
Total Violations
6,808
1,188 health-based
PFAS Detected
1
of 4 tested

Violation Analysis

94.2%
Systems with Violations
49.7
Avg Violations per System
17.5%
Health-Based Violations

Water Source Types

GW
37 systems (27%)
SW
13 systems (9%)

PFAS Contamination

4
Systems Tested
1
PFAS Detected
25.0%
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

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

No violations on record (1) One or more violations (49)

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

Water Systems

Other Counties in New York

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Essex County?
Essex County has 6,808 total drinking water violations across 137 water systems, of which 1,188 are health-based violations. 94.2% of systems have at least one violation.
How many people get water from Essex County systems?
Water systems in Essex County serve approximately 43,892 people through 137 public water systems.
Has PFAS been detected in Essex County water?
Of 4 water systems tested for PFAS in Essex County, 1 had PFAS detected (25.0% detection rate).
What types of water sources supply Essex County?
Water systems in Essex County use GW (37 systems), SW (13 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. 17.5% of Essex 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.

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.