D31/100
TRENTON CITY PWS — Water Quality Report 2026
Serving 13,012 people · Ohio
Water Source
Groundwater
County
—
System ID
OH0903012
Violations
23
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 261.00 mg/L | 1.30 mg/L | Over Limit |
chlorate | 217.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 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: December 30, 2024 – June 27, 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 TRENTON CITY PWS
Is TRENTON CITY PWS water safe to drink?
TRENTON CITY PWS water receives a grade of D (31/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 23 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TRENTON CITY PWS detected?
67 contaminants were tested in TRENTON CITY PWS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), chlorate. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does TRENTON CITY PWS have any EPA violations?
Yes, TRENTON CITY PWS has 23 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, MCL. 8 are health-based violations.
How many people does TRENTON CITY PWS serve?
TRENTON CITY PWS serves approximately 13,012 people, Ohio.
What type of water does TRENTON CITY PWS provide?
TRENTON CITY PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH0903012.
How does TRENTON CITY PWS compare to other utilities in Ohio?
TRENTON CITY PWS scores 31/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Ohio state page for a full comparison of water systems.