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ROSEMONT WATER COMPANY

PWS ID: NJ1007002 · ROSEMONT, New Jersey 08556

ROSEMONT WATER COMPANY serves 256 people in ROSEMONT, New Jersey using Groundwater water sources. It has 91 recorded EPA violations, including 47 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ROSEMONT WATER COMPANY

ROSEMONT WATER COMPANY is a private-owned community water system that delivers drinking water to 256 residents in ROSEMONT, New Jersey (Hunterdon County) through 74 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 91 total violations for this system , of which 47 (52%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 34 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 Arsenic, recorded in 43 violations (MCL, health-based). 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. ROSEMONT WATER COMPANY's 91 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.

Population Served
256
Total Violations
91
Health-Based Violations
47
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
74
County
Hunterdon
School/Daycare
No
MCL Violations
47
Monitoring Violations
34
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 43 2009
TTHM MR 6 2005
Total Haloacetic Acids (HAA5) MR 6 2005
Coliform (TCR) MCL 4 2010
Consumer Confidence Rule Other 4 2016
Arsenic MR 4 2016
E. COLI MR 4 2017
Lead and Copper Rule MR 4 2024
Coliform (TCR) MR 3 1996
Barium MR 1 1988
Nitrate MR 1 1988
Cadmium MR 1 1988
Fluoride MR 1 1988
Mercury MR 1 1988
Selenium MR 1 1988
Chromium MR 1 1988
Revised Total Coliform Rule Other 1 2016

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 ROSEMONT WATER COMPANY.

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 NJ1007002 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 ROSEMONT WATER COMPANY 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 4 SDWIS / NJ1007002 / 5000
2017 E. COLI MR 4 SDWIS / NJ1007002 / 3014
2016 Consumer Confidence Rule Other 4 SDWIS / NJ1007002 / 7000
2016 Arsenic MR 4 SDWIS / NJ1007002 / 1005
2016 Revised Total Coliform Rule Other 1 SDWIS / NJ1007002 / 8000
2010 Coliform (TCR) MCL 4 SDWIS / NJ1007002 / 3100
2009 Arsenic MCL 43 SDWIS / NJ1007002 / 1005
2005 TTHM MR 6 SDWIS / NJ1007002 / 2950
2005 Total Haloacetic Acids (HAA5) MR 6 SDWIS / NJ1007002 / 2456
1996 Coliform (TCR) MR 3 SDWIS / NJ1007002 / 3100
1988 Barium MR 1 SDWIS / NJ1007002 / 1010
1988 Nitrate MR 1 SDWIS / NJ1007002 / 1040
1988 Cadmium MR 1 SDWIS / NJ1007002 / 1015
1988 Fluoride MR 1 SDWIS / NJ1007002 / 1025
1988 Mercury MR 1 SDWIS / NJ1007002 / 1035

How ROSEMONT WATER COMPANY Compares

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

Metric ROSEMONT WATER COMPANY New Jersey avg Federal benchmark
Total violations 91 59.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 47 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 256 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 ROSEMONT WATER COMPANY water safe to drink?
ROSEMONT WATER COMPANY (PWS ID: NJ1007002) has 91 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 256 people using Groundwater sources.
How many people does ROSEMONT WATER COMPANY serve?
ROSEMONT WATER COMPANY serves 256 people in ROSEMONT, New Jersey. It is a Private-owned system using Groundwater water sources with 74 service connections.
What type of violations does ROSEMONT WATER COMPANY have?
ROSEMONT WATER COMPANY has 91 total violations: 47 health-based violations (MCL exceedances or treatment failures), 34 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ROSEMONT WATER COMPANY water?
No PFAS testing data is available for ROSEMONT WATER COMPANY under the EPA's UCMR5 monitoring program.
What water source does ROSEMONT WATER COMPANY use?
ROSEMONT WATER COMPANY 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

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial