F2/100

MONTOURSVILLE WATER COMPANY — Water Quality Report 2026

Serving 4,983 people · Pennsylvania

Water Source

Groundwater

County

—

System ID

PA4410175

Violations

Contaminant Test Results

4 contaminants above EPA health goals

Contaminant	Detected	Limit (MCL)	Goal (MCLG)	Status
Copper (90th percentile)	1.72 mg/L	1.30 mg/L	1.30 mg/L	Over Limit
PFOS	0.012 µg/L	0.004 µg/L	0 µg/L	Over Limit
PFOA	0.007 µg/L	0.004 µg/L	0 µg/L	Over Limit
Lead (90th percentile)	0.001 mg/L	0.015 mg/L	0 mg/L	Above Goal

EPA Violation History

Violations (last 5yr)

Unresolved

Health-Related

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, 2025 – September 30, 2025Rule: 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: July 1, 2025 – September 30, 2025Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: February 11, 2025 – April 18, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: April 11, 2024 – June 24, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: April 11, 2024 – June 24, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Violation related to Consumer Confidence Report

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

When: January 1, 2024 – January 31, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

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: October 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 11, 2023 – June 24, 2024Rule: 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: May 1, 2023 – May 31, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway

TIER 3Unresolved

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, 2023 – March 31, 2023Enforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Unresolved

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, 2023 – March 31, 2023Enforcement: Informal — resolved cooperativelyVerify on EPA.gov

TIER 3Resolved

Violation related to Consumer Confidence Report

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

When: June 1, 2022 – June 30, 2022Rule: Consumer Confidence RuleEnforcement: 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 MONTOURSVILLE WATER COMPANY

Is MONTOURSVILLE WATER COMPANY water safe to drink?

MONTOURSVILLE WATER COMPANY water receives a grade of F (2/100), which is considered failing. 3 contaminant(s) exceed EPA legal limits and 67 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has MONTOURSVILLE WATER COMPANY detected?

52 contaminants were tested in MONTOURSVILLE WATER COMPANY's water. Notable contaminants include PFOS, PFOA, Copper (90th percentile), Lead (90th percentile). 3 exceed EPA legal limits (MCLs). 4 exceed EPA health goals (MCLGs).

Does MONTOURSVILLE WATER COMPANY have any EPA violations?

Yes, MONTOURSVILLE WATER COMPANY has 67 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, TT. 1 are health-based violations.

How many people does MONTOURSVILLE WATER COMPANY serve?

MONTOURSVILLE WATER COMPANY serves approximately 4,983 people, Pennsylvania.

What type of water does MONTOURSVILLE WATER COMPANY provide?

MONTOURSVILLE WATER COMPANY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is PA4410175.

How does MONTOURSVILLE WATER COMPANY compare to other utilities in Pennsylvania?

MONTOURSVILLE WATER COMPANY scores 2/100 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.