PlainWater
States → New Jersey

Community Water System · PWS NJ1105001

Hopewell Boro W Dept

Hopewell, New Jersey 08525 - drinking water served from surface water sources to 2,035 people, tracked in EPA SDWIS and UCMR5.

2,035
People served
478
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 478 drinking-water violations at Hopewell Boro W Dept, 2% of them health-based - above the New Jersey per-system average.

478
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
2,035
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hopewell Boro W Dept

Hopewell Boro W Dept is a local-owned community water system that delivers drinking water to 2,035 residents in Hopewell, New Jersey (Mercer County) through 880 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 478 total violations for this system , of which 11 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 455 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 p-Dichlorobenzene, recorded in 20 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. Statewide, 208 of 264 UCMR5-tested systems have reported PFAS detections (78.8%).

Hopewell Boro W Dept's 478 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
2,035
Total Violations
478
Health-Based Violations
11
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
880
County
Mercer
School/Daycare
No
MCL Violations
2
Monitoring Violations
455
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
p-Dichlorobenzene MR 20 2007
1,2-Dichloroethane MR 20 2007
1,1,1-Trichloroethane MR 20 2007
Trichloroethylene MR 20 2007
Benzene MR 20 2007
Vinyl chloride MR 20 2007
1,1-Dichloroethylene MR 20 2007
Carbon tetrachloride MR 20 2007
1,1,2-Trichloroethane MR 18 2007
CHLOROBENZENE MR 18 2007
Toluene MR 18 2007
Styrene MR 18 2007
cis-1,2-Dichloroethylene MR 18 2007
o-Dichlorobenzene MR 18 2007
trans-1,2-Dichloroethylene MR 18 2007
Tetrachloroethylene MR 18 2007
Ethylbenzene MR 18 2007
1,2,4-Trichlorobenzene MR 18 2007
DICHLOROMETHANE MR 18 2007
1,2-Dichloropropane MR 18 2007
Xylenes, Total MR 18 2007
Total Haloacetic Acids (HAA5) MR 15 2009
TTHM MR 12 2009
Lead and Copper Rule MR 11 2024
Consumer Confidence Rule Other 10 2023
Lead and Copper Rule TT 9 2024
Surface Water Treatment Rule MR 8 2021
Nitrate MR 3 1999
Barium MR 2 2002
Coliform (TCR) MCL 2 1993

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 Hopewell Boro W Dept.

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 NJ1105001 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 Hopewell Boro W Dept 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 Lead and Copper Rule MR 11 SDWIS / NJ1105001 / 5000
2024 Lead and Copper Rule TT 9 SDWIS / NJ1105001 / 5000
2023 Consumer Confidence Rule Other 10 SDWIS / NJ1105001 / 7000
2021 Surface Water Treatment Rule MR 8 SDWIS / NJ1105001 / 0200
2009 Total Haloacetic Acids (HAA5) MR 15 SDWIS / NJ1105001 / 2456
2009 TTHM MR 12 SDWIS / NJ1105001 / 2950
2007 p-Dichlorobenzene MR 20 SDWIS / NJ1105001 / 2969
2007 1,2-Dichloroethane MR 20 SDWIS / NJ1105001 / 2980
2007 1,1,1-Trichloroethane MR 20 SDWIS / NJ1105001 / 2981
2007 Trichloroethylene MR 20 SDWIS / NJ1105001 / 2984
2007 Benzene MR 20 SDWIS / NJ1105001 / 2990
2007 Vinyl chloride MR 20 SDWIS / NJ1105001 / 2976
2007 1,1-Dichloroethylene MR 20 SDWIS / NJ1105001 / 2977
2007 Carbon tetrachloride MR 20 SDWIS / NJ1105001 / 2982
2007 1,1,2-Trichloroethane MR 18 SDWIS / NJ1105001 / 2985

How Hopewell Boro W Dept Compares

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

Metric Hopewell Boro W Dept New Jersey avg Federal benchmark
Total violations 478 59.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 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 2,035 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 Hopewell Boro W Dept water safe to drink? ▼
Hopewell Boro W Dept (PWS ID: NJ1105001) has 478 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,035 people using Surface Water sources.
How many people does Hopewell Boro W Dept serve? ▼
Hopewell Boro W Dept serves 2,035 people in Hopewell, New Jersey. It is a Local-owned system using Surface Water water sources with 880 service connections.
What type of violations does Hopewell Boro W Dept have? ▼
Hopewell Boro W Dept has 478 total violations: 11 health-based violations (MCL exceedances or treatment failures), 455 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hopewell Boro W Dept water? ▼
No PFAS testing data is available for Hopewell Boro W Dept under the EPA's UCMR5 monitoring program.
What water source does Hopewell Boro W Dept use? ▼
Hopewell Boro W Dept 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.
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.

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.