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Community Water System · PWS NY5600110

Pottersville Water District

Chestertown, New York 12817 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
117
EPA violations
56
Health-based
Untested
UCMR5 result

The verdict

EPA records 117 drinking-water violations at Pottersville Water District, 48% of them health-based - above the New York per-system average.

117
Total EPA violations on record
48%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pottersville Water District

Pottersville Water District is a local-owned community water system that delivers drinking water to 300 residents in Chestertown, New York (Warren County) through 93 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 117 total violations for this system , of which 56 (48%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 42 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is COPPER, FREE, recorded in 49 violations (TT, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New York, EPA tracks 8,098 public water systems serving 19,294,951 people, with 552,003 cumulative violations and 26,817 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 68.2 violations. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%).

Pottersville Water District's 117 violations sit above the New York average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
300
Total Violations
117
Health-Based Violations
56
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
93
County
Warren
School/Daycare
No
MCL Violations
0
Monitoring Violations
42
Treatment Tech Violations
56

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
COPPER, FREE TT 49 2009
Nitrate MR 18 2023
Lead and Copper Rule MR 15 2023
Lead TT 7 2006
Revised Total Coliform Rule MON 6 2023
Coliform (TCR) MR 3 2014
Consumer Confidence Rule Other 2 2003
Public Notice Other 2 2008

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Pottersville Water District.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NY5600110 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New York Drinking Water Authority

New York State Department of Health, Public Water Systems is the primacy agency that licenses and inspects Pottersville Water District under EPA-delegated authority.

Open NY regulator portal

Source: New York State Department of Health, Public Water Systems

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 Nitrate MR 18 SDWIS / NY5600110 / 1040
2023 Lead and Copper Rule MR 15 SDWIS / NY5600110 / 5000
2023 Revised Total Coliform Rule MON 6 SDWIS / NY5600110 / 8000
2014 Coliform (TCR) MR 3 SDWIS / NY5600110 / 3100
2009 COPPER, FREE TT 49 SDWIS / NY5600110 / 1022
2008 Public Notice Other 2 SDWIS / NY5600110 / 7500
2006 Lead TT 7 SDWIS / NY5600110 / 1030
2003 Consumer Confidence Rule Other 2 SDWIS / NY5600110 / 7000

How Pottersville Water District Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Pottersville Water District New York avg Federal benchmark
Total violations 117 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 56 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 300 2,383 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 8,098 regulated public water systems in New York.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Pottersville Water District water safe to drink? ▼
Pottersville Water District (PWS ID: NY5600110) has 117 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Pottersville Water District serve? ▼
Pottersville Water District serves 300 people in Chestertown, New York. It is a Local-owned system using Groundwater water sources with 93 service connections.
What type of violations does Pottersville Water District have? ▼
Pottersville Water District has 117 total violations: 56 health-based violations (MCL exceedances or treatment failures), 42 monitoring/reporting violations, and 56 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pottersville Water District water? ▼
No PFAS testing data is available for Pottersville Water District under the EPA's UCMR5 monitoring program.
What water source does Pottersville Water District use? ▼
Pottersville Water District uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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 system's figures are rendered directly from 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.