B63/100
WESTERVILLE CITY PWS — Water Quality Report 2026
Serving 39,000 people · Ohio
Water Source
Surface Water
County
—
System ID
OH2503411
Violations
14
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 93.70 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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 WESTERVILLE CITY PWS
Is WESTERVILLE CITY PWS water safe to drink?
WESTERVILLE CITY PWS water receives a grade of B (63/100), which is considered good. Out of 70 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WESTERVILLE CITY PWS detected?
70 contaminants were tested in WESTERVILLE CITY PWS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does WESTERVILLE CITY PWS have any EPA violations?
Yes, WESTERVILLE CITY PWS has 14 EPA violation(s) on record, with the most recent in 2016. Violation types include MCL, MR. 3 are health-based violations.
How many people does WESTERVILLE CITY PWS serve?
WESTERVILLE CITY PWS serves approximately 39,000 people, Ohio.
What type of water does WESTERVILLE CITY PWS provide?
WESTERVILLE CITY PWS 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 OH2503411.
How does WESTERVILLE CITY PWS compare to other utilities in Ohio?
WESTERVILLE CITY PWS scores 63/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Ohio state page for a full comparison of water systems.