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Community Water System · PWS NJ1104001

Hightstown Water Department

Highstown, New Jersey 08520 - drinking water served from groundwater sources to 5,400 people, tracked in EPA SDWIS and UCMR5.

5,400
People served
129
EPA violations
4
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 129 drinking-water violations at Hightstown Water Department, 3% of them health-based - above the New Jersey per-system average.

129
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
5,400
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hightstown Water Department

Hightstown Water Department is a local-owned community water system that delivers drinking water to 5,400 residents in Highstown, New Jersey (Mercer County) through 1,733 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 129 total violations for this system , of which 4 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 118 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is p-Dichlorobenzene, recorded in 6 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. Statewide, 208 of 264 UCMR5-tested systems have reported PFAS detections (78.8%).

Hightstown Water Department's 129 violations sit above the New Jersey 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
5,400
Total Violations
129
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,733
County
Mercer
School/Daycare
No
MCL Violations
4
Monitoring Violations
118
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
p-Dichlorobenzene MR 6 2008
1,2-Dichloroethane MR 6 2008
1,1,1-Trichloroethane MR 6 2008
Benzene MR 6 2008
Trichloroethylene MR 6 2008
Vinyl chloride MR 6 2008
1,1-Dichloroethylene MR 6 2008
Carbon tetrachloride MR 6 2008
Ethylbenzene MR 5 2008
Styrene MR 5 2008
1,2,4-Trichlorobenzene MR 5 2008
cis-1,2-Dichloroethylene MR 5 2008
Xylenes, Total MR 5 2008
o-Dichlorobenzene MR 5 2008
1,1,2-Trichloroethane MR 5 2008
CHLOROBENZENE MR 5 2008
trans-1,2-Dichloroethylene MR 5 2008
Tetrachloroethylene MR 5 2008
Toluene MR 5 2008
DICHLOROMETHANE MR 5 2008
1,2-Dichloropropane MR 5 2008
Coliform (TCR) MCL 4 2012
Consumer Confidence Rule Other 4 2021
Total Haloacetic Acids (HAA5) MR 3 2015
Mercury MR 1 1988
Gross Alpha, Excl. Radon and U MR 1 1980

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 7/14/2025 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 7/14/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/14/2025 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/14/2025 <6.00 ppt 6.00 ppt Not Detected
ADONA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/14/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/14/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 1/14/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 1/14/2025 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 1/14/2025 <7.00 ppt 7.00 ppt Not Detected
4:2 FTS 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 1/14/2025 <8.00 ppt 8.00 ppt Not Detected
PFBS 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 1/14/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 1/14/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 1/14/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 1/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFOA 1/14/2025 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 1/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpS 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 1/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 1/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFBA 1/14/2025 <5.00 ppt 5.00 ppt 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 Hightstown Water Department.

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 NJ1104001 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 Hightstown Water Department 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
2021 Consumer Confidence Rule Other 4 SDWIS / NJ1104001 / 7000
2015 Total Haloacetic Acids (HAA5) MR 3 SDWIS / NJ1104001 / 2456
2012 Coliform (TCR) MCL 4 SDWIS / NJ1104001 / 3100
2008 p-Dichlorobenzene MR 6 SDWIS / NJ1104001 / 2969
2008 1,2-Dichloroethane MR 6 SDWIS / NJ1104001 / 2980
2008 1,1,1-Trichloroethane MR 6 SDWIS / NJ1104001 / 2981
2008 Benzene MR 6 SDWIS / NJ1104001 / 2990
2008 Trichloroethylene MR 6 SDWIS / NJ1104001 / 2984
2008 Vinyl chloride MR 6 SDWIS / NJ1104001 / 2976
2008 1,1-Dichloroethylene MR 6 SDWIS / NJ1104001 / 2977
2008 Carbon tetrachloride MR 6 SDWIS / NJ1104001 / 2982
2008 Ethylbenzene MR 5 SDWIS / NJ1104001 / 2992
2008 Styrene MR 5 SDWIS / NJ1104001 / 2996
2008 1,2,4-Trichlorobenzene MR 5 SDWIS / NJ1104001 / 2378
2008 cis-1,2-Dichloroethylene MR 5 SDWIS / NJ1104001 / 2380

How Hightstown Water Department Compares

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

Metric Hightstown Water Department New Jersey avg Federal benchmark
Total violations 129 59.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 6.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 78.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 5,400 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 (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 Hightstown Water Department water safe to drink?
Hightstown Water Department (PWS ID: NJ1104001) has 129 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 5,400 people using Groundwater sources.
How many people does Hightstown Water Department serve?
Hightstown Water Department serves 5,400 people in Highstown, New Jersey. It is a Local-owned system using Groundwater water sources with 1,733 service connections.
What type of violations does Hightstown Water Department have?
Hightstown Water Department has 129 total violations: 4 health-based violations (MCL exceedances or treatment failures), 118 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hightstown Water Department water?
No. Hightstown Water Department was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Hightstown Water Department use?
Hightstown Water Department 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.