C44/100
CHESWICK BORO WATER DEPT — Water Quality Report 2026
Serving 1,861 people · Pennsylvania
Water Source
Purchased Groundwater
County
—
System ID
PA5020008
Violations
33
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.43 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.010 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – September 18, 2025Enforcement: 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 CHESWICK BORO WATER DEPT
Is CHESWICK BORO WATER DEPT water safe to drink?
CHESWICK BORO WATER DEPT water receives a grade of C (44/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 33 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CHESWICK BORO WATER DEPT detected?
2 contaminants were tested in CHESWICK BORO WATER DEPT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CHESWICK BORO WATER DEPT have any EPA violations?
Yes, CHESWICK BORO WATER DEPT has 33 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, TT. 3 are health-based violations.
How many people does CHESWICK BORO WATER DEPT serve?
CHESWICK BORO WATER DEPT serves approximately 1,861 people, Pennsylvania.
What type of water does CHESWICK BORO WATER DEPT provide?
CHESWICK BORO 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 PA5020008.
How does CHESWICK BORO WATER DEPT compare to other utilities in Pennsylvania?
CHESWICK BORO WATER DEPT scores 44/100 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.