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D24/100

MINE HILL TWP WATER DEPT — Water Quality Report 2026

Serving 4,300 people · New Jersey

Water Source
Purchased Groundwater
County
—
System ID
NJ1420001
Violations
57

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.005 mg/L0.015 mg/LAbove Goal

EPA Violation History

8

Violations (last 5yr)

6

Unresolved

0

Health-Related

TIER 3Unresolved

Monitoring violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 11, 2025Rule: Total Coliform RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: June 1, 2025 – June 30, 2025Rule: Total Coliform RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Surface water treatment technique failure

When: October 1, 2023Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2023 – July 19, 2023Enforcement: Resolving — corrective action underway
TIER 3Unresolved

Surface water treatment technique failure

When: October 1, 2022Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2022 – August 2, 2022Enforcement: Resolving — corrective action underway

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About MINE HILL TWP WATER DEPT

Is MINE HILL TWP WATER DEPT water safe to drink?

MINE HILL TWP WATER DEPT water receives a grade of D (24/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 57 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has MINE HILL TWP WATER DEPT detected?

31 contaminants were tested in MINE HILL TWP WATER DEPT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does MINE HILL TWP WATER DEPT have any EPA violations?

Yes, MINE HILL TWP WATER DEPT has 57 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MR, MON. 4 are health-based violations.

How many people does MINE HILL TWP WATER DEPT serve?

MINE HILL TWP WATER DEPT serves approximately 4,300 people, New Jersey. The system provides water to 1 community: Mine Hill Twp.-1420.

What type of water does MINE HILL TWP WATER DEPT provide?

MINE HILL TWP WATER DEPT sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NJ1420001.

How does MINE HILL TWP WATER DEPT compare to other utilities in New Jersey?

MINE HILL TWP WATER DEPT scores 24/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our New Jersey state page for a full comparison of water systems.

Cities Served

Mine Hill Twp.-1420