PlainWater
States → New Jersey

DELAWARE TOWNSHIP MUA

PWS ID: NJ1007001 · SERGEANTSVILLE, New Jersey 08557

DELAWARE TOWNSHIP MUA serves 500 people in SERGEANTSVILLE, New Jersey using Groundwater water sources. It has 59 recorded EPA violations, including 10 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DELAWARE TOWNSHIP MUA

DELAWARE TOWNSHIP MUA is a local-owned community water system that delivers drinking water to 500 residents in SERGEANTSVILLE, New Jersey (Hunterdon County) through 173 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 59 total violations for this system , of which 10 (17%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 37 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 9 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. DELAWARE TOWNSHIP MUA's 59 violations sit below 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.

Population Served
500
Total Violations
59
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
173
County
Hunterdon
School/Daycare
No
MCL Violations
2
Monitoring Violations
37
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 9 2021
Lead and Copper Rule TT 8 2020
Nitrate MR 7 2016
Chlorine MR 7 2020
Consumer Confidence Rule Other 4 2024
Public Notice Other 3 2020
TTHM MR 2 2016
Barium MCL 2 1988
CYANIDE MR 2 2020
Total Haloacetic Acids (HAA5) MR 2 2016
Arsenic MR 1 1988
Fluoride MR 1 1988
Mercury MR 1 1988
Selenium MR 1 1988
Chromium MR 1 1988
Gross Alpha, Excl. Radon and U MR 1 1980
Barium MR 1 1988
Cadmium MR 1 1988

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 DELAWARE TOWNSHIP 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 NJ1007001 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 DELAWARE TOWNSHIP 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 Consumer Confidence Rule Other 4 SDWIS / NJ1007001 / 7000
2021 Lead and Copper Rule MR 9 SDWIS / NJ1007001 / 5000
2020 Lead and Copper Rule TT 8 SDWIS / NJ1007001 / 5000
2020 Chlorine MR 7 SDWIS / NJ1007001 / 0999
2020 Public Notice Other 3 SDWIS / NJ1007001 / 7500
2020 CYANIDE MR 2 SDWIS / NJ1007001 / 1024
2016 Nitrate MR 7 SDWIS / NJ1007001 / 1040
2016 TTHM MR 2 SDWIS / NJ1007001 / 2950
2016 Total Haloacetic Acids (HAA5) MR 2 SDWIS / NJ1007001 / 2456
1988 Barium MCL 2 SDWIS / NJ1007001 / 1010
1988 Arsenic MR 1 SDWIS / NJ1007001 / 1005
1988 Fluoride MR 1 SDWIS / NJ1007001 / 1025
1988 Mercury MR 1 SDWIS / NJ1007001 / 1035
1988 Selenium MR 1 SDWIS / NJ1007001 / 1045
1988 Chromium MR 1 SDWIS / NJ1007001 / 1020

How DELAWARE TOWNSHIP MUA Compares

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

Metric DELAWARE TOWNSHIP MUA New Jersey avg Federal benchmark
Total violations 59 59.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 10 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 500 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 DELAWARE TOWNSHIP MUA water safe to drink? ▼
DELAWARE TOWNSHIP MUA (PWS ID: NJ1007001) has 59 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Groundwater sources.
How many people does DELAWARE TOWNSHIP MUA serve? ▼
DELAWARE TOWNSHIP MUA serves 500 people in SERGEANTSVILLE, New Jersey. It is a Local-owned system using Groundwater water sources with 173 service connections.
What type of violations does DELAWARE TOWNSHIP MUA have? ▼
DELAWARE TOWNSHIP MUA has 59 total violations: 10 health-based violations (MCL exceedances or treatment failures), 37 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DELAWARE TOWNSHIP MUA water? ▼
No PFAS testing data is available for DELAWARE TOWNSHIP MUA under the EPA's UCMR5 monitoring program.
What water source does DELAWARE TOWNSHIP MUA use? ▼
DELAWARE TOWNSHIP 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.

Explore PlainWater

Water in New Jersey

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for New Jersey

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial