CHESTER VILLAGE

Q: Is CHESTER VILLAGE water safe to drink?

CHESTER VILLAGE (PWS ID: NY3503524) has 206 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 4 PFAS compounds found. This system serves 3,448 people using Surface Water sources.

Q: How many people does CHESTER VILLAGE serve?

CHESTER VILLAGE serves 3,448 people in CHESTER, New York. It is a Local-owned system using Surface Water water sources with 1,941 service connections.

Q: What type of violations does CHESTER VILLAGE have?

CHESTER VILLAGE has 206 total violations: 13 health-based violations (MCL exceedances or treatment failures), 189 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Q: Has PFAS been detected in CHESTER VILLAGE water?

Yes. UCMR5 testing detected 4 PFAS compounds in CHESTER VILLAGE's water supply: PFHxA, PFOA, PFPeA, PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.

Q: What water source does CHESTER VILLAGE use?

CHESTER VILLAGE uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Q: 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.

Reviewed byPlainWater Editorial, Drinking Water Quality Editorial Team · June 4, 2026

PWS ID: NY3503524 · CHESTER, New York 10918

CHESTER VILLAGE serves 3,448 people in CHESTER, New York using Surface Water water sources. It has 206 recorded EPA violations, including 13 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (4 compounds found).

Water Quality Snapshot: CHESTER VILLAGE

CHESTER VILLAGE is a local-owned community water system that delivers drinking water to 3,448 residents in CHESTER, New York (Orange County) through 1,941 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 206 total violations for this system , of which 13 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 189 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is BHC-GAMMA, recorded in 6 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 4 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.0189 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. CHESTER VILLAGE's 206 violations sit above the New York average. Statewide, 129 of 332 UCMR5-tested systems have reported PFAS detections (38.9%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

4 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served

3,448

Total Violations

206

Health-Based Violations

Water Source

Surface Water

System Details

System Type: Community
Owner Type: Local
Connections: 1,941
County: Orange
School/Daycare: No
MCL Violations: 9
Monitoring Violations: 189
Treatment Tech Violations: 4

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
BHC-GAMMA	MR	6	2016
Methoxychlor	MR	6	2016
Dalapon	MR	6	2016
OXAMYL	MR	6	2016
Simazine	MR	6	2016
Di(2-ethylhexyl) phthalate	MR	6	2016
Dinoseb	MR	6	2016
Aldicarb sulfoxide	MR	6	2016
Atrazine	MR	6	2016
Heptachlor	MR	6	2016
Heptachlor epoxide	MR	6	2016
2,4-D	MR	6	2016
Pentachlorophenol	MR	6	2016
Total Polychlorinated Biphenyls (PCB)	MR	6	2016
Chlordane	MR	6	2016
Toxaphene	MR	6	2016
Di(2-ethylhexyl) adipate	MR	6	2016
Aldicarb sulfone	MR	6	2016
Carbofuran	MR	6	2016
Aldicarb	MR	6	2016
LASSO	MR	6	2016
HEXACHLOROBENZENE	MR	6	2016
Nitrate	MR	6	2019
Benzene	MR	6	2019
TTHM	MCL	6	2019
Endrin	MR	6	2016
2,4,5-TP	MR	6	2016
Hexachlorocyclopentadiene	MR	6	2016
Picloram	MR	6	2016
Benzo(a)pyrene	MR	6	2016

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 13 of 180 samples detected PFAS.

Contaminant	Date	Result	MRL	Status
PFDoA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
lithium	8/15/2023	<9 µg/L	9 µg/L	Not Detected
PFBS	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHxS	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
ADONA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFTA	8/15/2023	<0.008 µg/L	0.008 µg/L	Not Detected
PFDA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFNA	8/15/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxA	8/15/2023	0.0035 µg/L	0.003 µg/L	Detected
PFUnA	8/15/2023	<0.002 µg/L	0.002 µg/L	Not Detected
11Cl-PF3OUdS	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
9Cl-PF3ONS	8/15/2023	<0.002 µg/L	0.002 µg/L	Not Detected
6:2 FTS	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFOS	8/15/2023	<0.004 µg/L	0.004 µg/L	Not Detected
NEtFOSAA	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
NMeFOSAA	8/15/2023	<0.006 µg/L	0.006 µg/L	Not Detected
PFOA	8/15/2023	0.0051 µg/L	0.004 µg/L	Detected
PFTrDA	8/15/2023	<0.007 µg/L	0.007 µg/L	Not Detected
HFPO-DA	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFBA	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFHpS	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
4:2 FTS	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeA	8/15/2023	0.0044 µg/L	0.003 µg/L	Detected
8:2 FTS	8/15/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFMPA	8/15/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFMBA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFEESA	8/15/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeS	8/15/2023	<0.004 µg/L	0.004 µg/L	Not Detected
NFDHA	8/15/2023	<0.02 µg/L	0.02 µg/L	Not Detected
lithium	5/8/2023	<9 µg/L	9 µg/L	Not Detected
9Cl-PF3ONS	5/8/2023	<0.002 µg/L	0.002 µg/L	Not Detected
ADONA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBA	5/8/2023	0.0189 µg/L	0.005 µg/L	Detected
4:2 FTS	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
8:2 FTS	5/8/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFMPA	5/8/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFPeA	5/8/2023	0.0044 µg/L	0.003 µg/L	Detected
11Cl-PF3OUdS	5/8/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFEESA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
HFPO-DA	5/8/2023	<0.005 µg/L	0.005 µg/L	Not Detected
NFDHA	5/8/2023	<0.02 µg/L	0.02 µg/L	Not Detected
PFPeS	5/8/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHpS	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFTrDA	5/8/2023	<0.007 µg/L	0.007 µg/L	Not Detected
NEtFOSAA	5/8/2023	<0.005 µg/L	0.005 µg/L	Not Detected
NMeFOSAA	5/8/2023	<0.006 µg/L	0.006 µg/L	Not Detected
PFMBA	5/8/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOS	5/8/2023	<0.004 µg/L	0.004 µg/L	Not Detected
6:2 FTS	5/8/2023	<0.005 µg/L	0.005 µg/L	Not Detected

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 CHESTER VILLAGE.

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 NY3503524 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 CHESTER VILLAGE 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
2024	LEAD AND COPPER RULE REVISIONS	RPT	1	SDWIS / NY3503524 / 5200
2019	Nitrate	MR	6	SDWIS / NY3503524 / 1040
2019	Benzene	MR	6	SDWIS / NY3503524 / 2990
2019	TTHM	MCL	6	SDWIS / NY3503524 / 2950
2019	Arsenic	MR	2	SDWIS / NY3503524 / 1005
2017	TTHM	MR	3	SDWIS / NY3503524 / 2950
2017	Total Haloacetic Acids (HAA5)	MR	3	SDWIS / NY3503524 / 2456
2016	BHC-GAMMA	MR	6	SDWIS / NY3503524 / 2010
2016	Methoxychlor	MR	6	SDWIS / NY3503524 / 2015
2016	Dalapon	MR	6	SDWIS / NY3503524 / 2031
2016	OXAMYL	MR	6	SDWIS / NY3503524 / 2036
2016	Simazine	MR	6	SDWIS / NY3503524 / 2037
2016	Di(2-ethylhexyl) phthalate	MR	6	SDWIS / NY3503524 / 2039
2016	Dinoseb	MR	6	SDWIS / NY3503524 / 2041
2016	Aldicarb sulfoxide	MR	6	SDWIS / NY3503524 / 2043

How CHESTER VILLAGE Compares

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

Metric	CHESTER VILLAGE	New York avg	Federal benchmark
Total violations	206	68.2	SDWA compliance — any non-zero count is a recorded breach
Health-based violations	13	3.3	Indicates a contaminant exceeded a federal MCL
PFAS detection	4 compounds	38.9%	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	3,448	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
Nitrate (as N)	10 mg/L	Acute health risk for infants

Frequently Asked Questions

Is CHESTER VILLAGE water safe to drink? ▼

CHESTER VILLAGE (PWS ID: NY3503524) has 206 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 4 PFAS compounds found. This system serves 3,448 people using Surface Water sources.

How many people does CHESTER VILLAGE serve? ▼

CHESTER VILLAGE serves 3,448 people in CHESTER, New York. It is a Local-owned system using Surface Water water sources with 1,941 service connections.

What type of violations does CHESTER VILLAGE have? ▼

CHESTER VILLAGE has 206 total violations: 13 health-based violations (MCL exceedances or treatment failures), 189 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in CHESTER VILLAGE water? ▼

Yes. UCMR5 testing detected 4 PFAS compounds in CHESTER VILLAGE's water supply: PFHxA, PFOA, PFPeA, PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.

What water source does CHESTER VILLAGE use? ▼

CHESTER VILLAGE uses Surface Water 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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