F0/100
MARYSVILLE CITY PWS — Water Quality Report 2026
Serving 25,571 people · Ohio
Water Source
Surface Water
County
—
System ID
OH8000314
Violations
29
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 90.00 mg/L | 1.30 mg/L | Over Limit |
strontium | 2152.67 µg/L | — | Above Goal |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 MARYSVILLE CITY PWS
Is MARYSVILLE CITY PWS water safe to drink?
MARYSVILLE CITY PWS water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 29 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MARYSVILLE CITY PWS detected?
70 contaminants were tested in MARYSVILLE CITY PWS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), strontium. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does MARYSVILLE CITY PWS have any EPA violations?
Yes, MARYSVILLE CITY PWS has 29 EPA violation(s) on record, with the most recent in 2019. Violation types include Other, TT, MR. 16 are health-based violations.
How many people does MARYSVILLE CITY PWS serve?
MARYSVILLE CITY PWS serves approximately 25,571 people, Ohio.
What type of water does MARYSVILLE CITY PWS provide?
MARYSVILLE 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 OH8000314.
How does MARYSVILLE CITY PWS compare to other utilities in Ohio?
MARYSVILLE CITY PWS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Ohio state page for a full comparison of water systems.