B63/100
BOROUGH OF CORNWALL — Water Quality Report 2026
Serving 3,343 people · Pennsylvania
Water Source
Purchased Surface Water
County
—
System ID
PA7380007
Violations
30
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
0
Health-Related
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, 2024 – December 31, 2024Rule: 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: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 BOROUGH OF CORNWALL
Is BOROUGH OF CORNWALL water safe to drink?
BOROUGH OF CORNWALL water receives a grade of B (63/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has BOROUGH OF CORNWALL detected?
1 contaminants were tested in BOROUGH OF CORNWALL's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does BOROUGH OF CORNWALL have any EPA violations?
Yes, BOROUGH OF CORNWALL has 30 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MON, RPT. 1 are health-based violations.
How many people does BOROUGH OF CORNWALL serve?
BOROUGH OF CORNWALL serves approximately 3,343 people, Pennsylvania.
What type of water does BOROUGH OF CORNWALL provide?
BOROUGH OF CORNWALL sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is PA7380007.
How does BOROUGH OF CORNWALL compare to other utilities in Pennsylvania?
BOROUGH OF CORNWALL scores 63/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Pennsylvania state page for a full comparison of water systems.