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F0/100

DERRY BORO MUNI AUTH — Water Quality Report 2026

Serving 6,500 people · Pennsylvania

Water Source
Surface Water
County
—
System ID
PA5650049
Violations
140

Contaminant Test Results

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

EPA Violation History

7

Violations (last 5yr)

5

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

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, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

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, 2024 – December 31, 2024Rule: Stage 1 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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, 2022 – December 31, 2022Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Unresolved

Violation related to Nitrate

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

When: September 1, 2022 – September 30, 2022Rule: Surface Water Treatment RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Unresolved

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: July 1, 2021 – September 30, 2021Rule: Stage 1 DBPRVerify on EPA.gov

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 DERRY BORO MUNI AUTH

Is DERRY BORO MUNI AUTH water safe to drink?

DERRY BORO MUNI AUTH water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 140 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has DERRY BORO MUNI AUTH detected?

51 contaminants were tested in DERRY BORO MUNI AUTH's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does DERRY BORO MUNI AUTH have any EPA violations?

Yes, DERRY BORO MUNI AUTH has 140 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MR, Other. 1 are health-based violations.

How many people does DERRY BORO MUNI AUTH serve?

DERRY BORO MUNI AUTH serves approximately 6,500 people, Pennsylvania.

What type of water does DERRY BORO MUNI AUTH provide?

DERRY BORO MUNI AUTH 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 PA5650049.

How does DERRY BORO MUNI AUTH compare to other utilities in Pennsylvania?

DERRY BORO MUNI AUTH 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.