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Non-Transient Non-Community Water System · PWS NJ1022338

Mill Road Dairy

Whitehouse Station, New Jersey 08889 - drinking water served from groundwater sources to 270 people, tracked in EPA SDWIS and UCMR5.

270
People served
48
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 48 drinking-water violations at Mill Road Dairy, 10% of them health-based - below the New Jersey per-system average.

48
Total EPA violations on record
10%
Health-based (MCL / treatment failure)
270
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mill Road Dairy

Mill Road Dairy is a private-owned non-transient non-community water system that delivers drinking water to 270 residents in Whitehouse Station, New Jersey (Hunterdon County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 48 total violations for this system , of which 5 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 42 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is 1,2-DIBROMO-3-CHLOROPROPANE, recorded in 8 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, 172 of 264 UCMR5-tested systems have reported PFAS detections (65.2%).

Mill Road Dairy's 48 violations sit below 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
270
Total Violations
48
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Hunterdon
School/Daycare
No
MCL Violations
5
Monitoring Violations
42
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2-DIBROMO-3-CHLOROPROPANE MR 8 2019
ETHYLENE DIBROMIDE MR 7 2019
TTHM MR 7 2020
Total Haloacetic Acids (HAA5) MR 7 2020
Nitrate MR 4 2004
Coliform (TCR) MR 4 2006
Coliform (TCR) MCL 4 2008
Lead and Copper Rule MR 3 2020
Chlorine MR 2 2016
Trichloroethylene MCL 1 2001

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 Mill Road Dairy.

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 NJ1022338 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 Mill Road Dairy 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
2020 TTHM MR 7 SDWIS / NJ1022338 / 2950
2020 Total Haloacetic Acids (HAA5) MR 7 SDWIS / NJ1022338 / 2456
2020 Lead and Copper Rule MR 3 SDWIS / NJ1022338 / 5000
2019 1,2-DIBROMO-3-CHLOROPROPANE MR 8 SDWIS / NJ1022338 / 2931
2019 ETHYLENE DIBROMIDE MR 7 SDWIS / NJ1022338 / 2946
2016 Chlorine MR 2 SDWIS / NJ1022338 / 0999
2008 Coliform (TCR) MCL 4 SDWIS / NJ1022338 / 3100
2006 Coliform (TCR) MR 4 SDWIS / NJ1022338 / 3100
2004 Nitrate MR 4 SDWIS / NJ1022338 / 1040
2001 Trichloroethylene MCL 1 SDWIS / NJ1022338 / 2984

How Mill Road Dairy Compares

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

Metric Mill Road Dairy New Jersey avg Federal benchmark
Total violations 48 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 65.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 270 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 Mill Road Dairy water safe to drink? ▼
Mill Road Dairy (PWS ID: NJ1022338) has 48 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 270 people using Groundwater sources.
How many people does Mill Road Dairy serve? ▼
Mill Road Dairy serves 270 people in Whitehouse Station, New Jersey. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does Mill Road Dairy have? ▼
Mill Road Dairy has 48 total violations: 5 health-based violations (MCL exceedances or treatment failures), 42 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mill Road Dairy water? ▼
No PFAS testing data is available for Mill Road Dairy under the EPA's UCMR5 monitoring program.
What water source does Mill Road Dairy use? ▼
Mill Road Dairy uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.