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Community Water System · PWS NJ2108001

Hackettstown Mua

Hackettstown, New Jersey 07840 - drinking water served from groundwater sources to 22,000 people, tracked in EPA SDWIS and UCMR5.

22,000
People served
206
EPA violations
5
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 206 drinking-water violations at Hackettstown Mua, 2% of them health-based - above the New Jersey per-system average.

206
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
22,000
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hackettstown Mua

Hackettstown Mua is a local-owned community water system that delivers drinking water to 22,000 residents in Hackettstown, New Jersey (Warren County) through 5,591 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 206 total violations for this system , of which 5 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 187 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 Lead and Copper Rule, recorded in 18 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%).

Hackettstown Mua's 206 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
22,000
Total Violations
206
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
5,591
County
Warren
School/Daycare
No
MCL Violations
5
Monitoring Violations
187
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 18 2021
TTHM MR 15 2014
Total Haloacetic Acids (HAA5) MR 15 2014
E. COLI MR 9 2024
1,1-Dichloroethylene MR 7 2018
Trichloroethylene MR 5 2017
Tetrachloroethylene MR 5 2017
Toluene MR 5 2017
Styrene MR 5 2017
Coliform (TCR) MCL 5 2014
1,2,4-Trichlorobenzene MR 5 2017
o-Dichlorobenzene MR 5 2017
trans-1,2-Dichloroethylene MR 5 2017
1,2-Dichloroethane MR 5 2017
1,2-Dichloropropane MR 5 2017
1,1,2-Trichloroethane MR 5 2017
Benzene MR 5 2017
Ethylbenzene MR 5 2017
cis-1,2-Dichloroethylene MR 5 2017
Xylenes, Total MR 5 2017
DICHLOROMETHANE MR 5 2017
p-Dichlorobenzene MR 5 2017
Vinyl chloride MR 5 2017
1,1,1-Trichloroethane MR 5 2017
Carbon tetrachloride MR 5 2017
CHLOROBENZENE MR 5 2017
Revised Total Coliform Rule RPT 3 2022
Nitrate MR 3 2001
Revised Total Coliform Rule MON 3 2016
Combined Uranium MR 2 2015

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 6/18/2024 <20.00 ppt 20.00 ppt Not Detected
PFDoA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/18/2024 <2.00 ppt 2.00 ppt Not Detected
9Cl-PF3ONS 6/18/2024 <2.00 ppt 2.00 ppt Not Detected
HFPO-DA 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
ADONA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 6/18/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 6/18/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 6/18/2024 <6.00 ppt 6.00 ppt Not Detected
PFBS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFMBA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/18/2024 <2.00 ppt 2.00 ppt Not Detected
PFDoA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 6/18/2024 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFOS 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFBS 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 6/18/2024 <20.00 ppt 20.00 ppt Not Detected
PFDA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 6/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/18/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 6/18/2024 <8.00 ppt 8.00 ppt Not Detected
9Cl-PF3ONS 6/18/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeS 6/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFEESA 6/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/18/2024 <3.00 ppt 3.00 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 Hackettstown Mua.

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 NJ2108001 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 Hackettstown Mua 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 E. COLI MR 9 SDWIS / NJ2108001 / 3014
2023 Chlorine MR 2 SDWIS / NJ2108001 / 0999
2022 Revised Total Coliform Rule RPT 3 SDWIS / NJ2108001 / 8000
2021 Lead and Copper Rule MR 18 SDWIS / NJ2108001 / 5000
2021 Consumer Confidence Rule Other 2 SDWIS / NJ2108001 / 7000
2018 1,1-Dichloroethylene MR 7 SDWIS / NJ2108001 / 2977
2017 Trichloroethylene MR 5 SDWIS / NJ2108001 / 2984
2017 Tetrachloroethylene MR 5 SDWIS / NJ2108001 / 2987
2017 Toluene MR 5 SDWIS / NJ2108001 / 2991
2017 Styrene MR 5 SDWIS / NJ2108001 / 2996
2017 1,2,4-Trichlorobenzene MR 5 SDWIS / NJ2108001 / 2378
2017 o-Dichlorobenzene MR 5 SDWIS / NJ2108001 / 2968
2017 trans-1,2-Dichloroethylene MR 5 SDWIS / NJ2108001 / 2979
2017 1,2-Dichloroethane MR 5 SDWIS / NJ2108001 / 2980
2017 1,2-Dichloropropane MR 5 SDWIS / NJ2108001 / 2983

How Hackettstown Mua Compares

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

Metric Hackettstown Mua New Jersey avg Federal benchmark
Total violations 206 59.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 22,000 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 Hackettstown Mua water safe to drink?
Hackettstown Mua (PWS ID: NJ2108001) has 206 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 22,000 people using Groundwater sources.
How many people does Hackettstown Mua serve?
Hackettstown Mua serves 22,000 people in Hackettstown, New Jersey. It is a Local-owned system using Groundwater water sources with 5,591 service connections.
What type of violations does Hackettstown Mua have?
Hackettstown Mua has 206 total violations: 5 health-based violations (MCL exceedances or treatment failures), 187 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hackettstown Mua water?
No. Hackettstown Mua was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Hackettstown Mua use?
Hackettstown Mua 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.