C41/100
MOUNTAINTOP REG WATER AUTH — Water Quality Report 2026
Serving 3,456 people · Pennsylvania
Water Source
Groundwater
County
—
System ID
PA4140090
Violations
55
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2025 – February 28, 2025Rule: Total Coliform 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, 2022 – December 31, 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 MOUNTAINTOP REG WATER AUTH
Is MOUNTAINTOP REG WATER AUTH water safe to drink?
MOUNTAINTOP REG WATER AUTH water receives a grade of C (41/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 55 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MOUNTAINTOP REG WATER AUTH detected?
1 contaminants were tested in MOUNTAINTOP REG WATER AUTH's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does MOUNTAINTOP REG WATER AUTH have any EPA violations?
Yes, MOUNTAINTOP REG WATER AUTH has 55 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 MOUNTAINTOP REG WATER AUTH serve?
MOUNTAINTOP REG WATER AUTH serves approximately 3,456 people, Pennsylvania.
What type of water does MOUNTAINTOP REG WATER AUTH provide?
MOUNTAINTOP REG WATER AUTH sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is PA4140090.
How does MOUNTAINTOP REG WATER AUTH compare to other utilities in Pennsylvania?
MOUNTAINTOP REG WATER AUTH scores 41/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Pennsylvania state page for a full comparison of water systems.