F0/100

HANOVER MUNI WATER WORKS — Water Quality Report 2026

Serving 40,900 people · Pennsylvania

Water Source
Surface Water
County
System ID
PA7670076
Violations
116

Contaminant Test Results

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

EPA Violation History

10

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Missed required monitoring deadline

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

When: October 1, 2024 – October 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 11, 2024 – July 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 11, 2024 – July 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: October 1, 2023 – December 31, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2023 – August 25, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Missed required monitoring deadline

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

When: April 1, 2023 – April 30, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

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

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: 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 HANOVER MUNI WATER WORKS

Is HANOVER MUNI WATER WORKS water safe to drink?

HANOVER MUNI WATER WORKS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 116 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has HANOVER MUNI WATER WORKS detected?

69 contaminants were tested in HANOVER MUNI WATER WORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does HANOVER MUNI WATER WORKS have any EPA violations?

Yes, HANOVER MUNI WATER WORKS has 116 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other, TT. 6 are health-based violations.

How many people does HANOVER MUNI WATER WORKS serve?

HANOVER MUNI WATER WORKS serves approximately 40,900 people, Pennsylvania.

What type of water does HANOVER MUNI WATER WORKS provide?

HANOVER MUNI WATER WORKS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is PA7670076.

How does HANOVER MUNI WATER WORKS compare to other utilities in Pennsylvania?

HANOVER MUNI WATER WORKS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Pennsylvania state page for a full comparison of water systems.