BOROUGH OF CLAYTON

Q: Is BOROUGH OF CLAYTON water safe to drink?

BOROUGH OF CLAYTON (PWS ID: NJ0801001) has 317 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 3 PFAS compounds found. This system serves 8,179 people using Groundwater sources.

Q: What type of violations does BOROUGH OF CLAYTON have?

BOROUGH OF CLAYTON has 317 total violations: 0 health-based violations (MCL exceedances or treatment failures), 303 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Q: Has PFAS been detected in BOROUGH OF CLAYTON water?

Yes. UCMR5 testing detected 3 PFAS compounds in BOROUGH OF CLAYTON's water supply: PFHxA, PFPeA, PFOA. PFAS are persistent "forever chemicals" that do not break down in the environment.

Q: What water source does BOROUGH OF CLAYTON use?

BOROUGH OF CLAYTON uses Groundwater 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: NJ0801001 · CLAYTON, New Jersey 08312

BOROUGH OF CLAYTON serves 8,179 people in CLAYTON, New Jersey using Groundwater water sources. It has 317 recorded EPA violations, including 0 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (3 compounds found).

Water Quality Snapshot: BOROUGH OF CLAYTON

BOROUGH OF CLAYTON is a local-owned community water system that delivers drinking water to 8,179 residents in CLAYTON, New Jersey (Gloucester County) through 2,748 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 317 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 303 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 1,2,4-Trichlorobenzene, recorded in 12 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 3 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.0073 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across New Jersey, EPA tracks 3,428 public water systems serving 9,570,926 people, with 204,988 cumulative violations and 22,229 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 59.8 violations. BOROUGH OF CLAYTON's 317 violations sit above the New Jersey average. Statewide, 208 of 264 UCMR5-tested systems have reported PFAS detections (78.8%). 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

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

Population Served

8,179

Total Violations

317

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Community
Owner Type: Local
Connections: 2,748
County: Gloucester
School/Daycare: No
MCL Violations: 0
Monitoring Violations: 303
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
1,2,4-Trichlorobenzene	MR	12	2008
1,1-Dichloroethylene	MR	12	2008
1,2-Dichloroethane	MR	12	2008
1,1,1-Trichloroethane	MR	12	2008
1,2-Dichloropropane	MR	12	2008
1,1,2-Trichloroethane	MR	12	2008
Benzene	MR	12	2008
Toluene	MR	12	2008
Xylenes, Total	MR	12	2008
DICHLOROMETHANE	MR	12	2008
o-Dichlorobenzene	MR	12	2008
p-Dichlorobenzene	MR	12	2008
Vinyl chloride	MR	12	2008
Carbon tetrachloride	MR	12	2008
CHLOROBENZENE	MR	12	2008
Styrene	MR	12	2008
cis-1,2-Dichloroethylene	MR	12	2008
Ethylbenzene	MR	12	2008
Trichloroethylene	MR	12	2008
trans-1,2-Dichloroethylene	MR	12	2008
Tetrachloroethylene	MR	12	2008
Chlorine	MR	8	2024
Combined Radium (-226 and -228)	MR	4	2014
Cadmium	MR	4	1988
Barium	MR	4	1988
Arsenic	MR	4	1988
Mercury	MR	4	1988
Fluoride	MR	4	1988
Chromium	MR	4	1988
Selenium	MR	4	1988

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 5 of 120 samples detected PFAS.

Contaminant	Date	Result	MRL	Status
PFHpS	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBA	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
6:2 FTS	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
4:2 FTS	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
8:2 FTS	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
NEtFOSAA	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFTA	7/19/2023	<0.008 µg/L	0.008 µg/L	Not Detected
PFHxA	7/19/2023	0.0047 µg/L	0.003 µg/L	Detected
PFTrDA	7/19/2023	<0.007 µg/L	0.007 µg/L	Not Detected
PFMPA	7/19/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFPeA	7/19/2023	0.0032 µg/L	0.003 µg/L	Detected
lithium	7/19/2023	<9 µg/L	9 µg/L	Not Detected
PFMBA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
11Cl-PF3OUdS	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
HFPO-DA	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFUnA	7/19/2023	<0.002 µg/L	0.002 µg/L	Not Detected
PFDoA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeS	7/19/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFOA	7/19/2023	0.0073 µg/L	0.004 µg/L	Detected
PFOS	7/19/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFNA	7/19/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxS	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBS	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NMeFOSAA	7/19/2023	<0.006 µg/L	0.006 µg/L	Not Detected
PFEESA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NFDHA	7/19/2023	<0.02 µg/L	0.02 µg/L	Not Detected
9Cl-PF3ONS	7/19/2023	<0.002 µg/L	0.002 µg/L	Not Detected
ADONA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHxA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	7/19/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFOS	7/19/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFNA	7/19/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxS	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBS	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
lithium	7/19/2023	<9 µg/L	9 µg/L	Not Detected
NMeFOSAA	7/19/2023	<0.006 µg/L	0.006 µg/L	Not Detected
11Cl-PF3OUdS	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFTrDA	7/19/2023	<0.007 µg/L	0.007 µg/L	Not Detected
PFPeA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NEtFOSAA	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
9Cl-PF3ONS	7/19/2023	<0.002 µg/L	0.002 µg/L	Not Detected
ADONA	7/19/2023	<0.003 µg/L	0.003 µg/L	Not Detected
HFPO-DA	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFBA	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
6:2 FTS	7/19/2023	<0.005 µg/L	0.005 µg/L	Not Detected
4:2 FTS	7/19/2023	<0.003 µg/L	0.003 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 BOROUGH OF CLAYTON.

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 NJ0801001 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Jersey Drinking Water Authority

NJ DEP — Bureau of Safe Drinking Water is the primacy agency that licenses and inspects BOROUGH OF CLAYTON under EPA-delegated authority.

Open NJ regulator portal

Source: NJ DEP — Bureau of Safe Drinking Water

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	Chlorine	MR	8	SDWIS / NJ0801001 / 0999
2019	Lead and Copper Rule	MR	2	SDWIS / NJ0801001 / 5000
2015	Coliform (TCR)	MR	2	SDWIS / NJ0801001 / 3100
2014	Combined Radium (-226 and -228)	MR	4	SDWIS / NJ0801001 / 4010
2014	Radium-228	MR	4	SDWIS / NJ0801001 / 4030
2012	Consumer Confidence Rule	Other	1	SDWIS / NJ0801001 / 7000
2008	1,2,4-Trichlorobenzene	MR	12	SDWIS / NJ0801001 / 2378
2008	1,1-Dichloroethylene	MR	12	SDWIS / NJ0801001 / 2977
2008	1,2-Dichloroethane	MR	12	SDWIS / NJ0801001 / 2980
2008	1,1,1-Trichloroethane	MR	12	SDWIS / NJ0801001 / 2981
2008	1,2-Dichloropropane	MR	12	SDWIS / NJ0801001 / 2983
2008	1,1,2-Trichloroethane	MR	12	SDWIS / NJ0801001 / 2985
2008	Benzene	MR	12	SDWIS / NJ0801001 / 2990
2008	Toluene	MR	12	SDWIS / NJ0801001 / 2991
2008	Xylenes, Total	MR	12	SDWIS / NJ0801001 / 2955

How BOROUGH OF CLAYTON Compares

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

Metric	BOROUGH OF CLAYTON	New Jersey avg	Federal benchmark
Total violations	317	59.8	SDWA compliance — any non-zero count is a recorded breach
Health-based violations	0	6.5	Indicates a contaminant exceeded a federal MCL
PFAS detection	3 compounds	78.8%	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	8,179	2,792	Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,428 regulated public water systems in New Jersey.

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 BOROUGH OF CLAYTON water safe to drink? ▼

BOROUGH OF CLAYTON (PWS ID: NJ0801001) has 317 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 3 PFAS compounds found. This system serves 8,179 people using Groundwater sources.

How many people does BOROUGH OF CLAYTON serve? ▼

BOROUGH OF CLAYTON serves 8,179 people in CLAYTON, New Jersey. It is a Local-owned system using Groundwater water sources with 2,748 service connections.

What type of violations does BOROUGH OF CLAYTON have? ▼

BOROUGH OF CLAYTON has 317 total violations: 0 health-based violations (MCL exceedances or treatment failures), 303 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in BOROUGH OF CLAYTON water? ▼

Yes. UCMR5 testing detected 3 PFAS compounds in BOROUGH OF CLAYTON's water supply: PFHxA, PFPeA, PFOA. PFAS are persistent "forever chemicals" that do not break down in the environment.

What water source does BOROUGH OF CLAYTON use? ▼

BOROUGH OF CLAYTON 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.

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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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