F9/100
MOUNT STERLING VILLAGE PWS — Water Quality Report 2026
Serving 2,059 people · Ohio
Water Source
Groundwater
County
—
System ID
OH4900812
Violations
72
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 186.00 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – March 31, 2022Enforcement: 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 MOUNT STERLING VILLAGE PWS
Is MOUNT STERLING VILLAGE PWS water safe to drink?
MOUNT STERLING VILLAGE PWS water receives a grade of F (9/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 72 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MOUNT STERLING VILLAGE PWS detected?
2 contaminants were tested in MOUNT STERLING VILLAGE 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 MOUNT STERLING VILLAGE PWS have any EPA violations?
Yes, MOUNT STERLING VILLAGE PWS has 72 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR, MCL. 2 are health-based violations.
How many people does MOUNT STERLING VILLAGE PWS serve?
MOUNT STERLING VILLAGE PWS serves approximately 2,059 people, Ohio.
What type of water does MOUNT STERLING VILLAGE PWS provide?
MOUNT STERLING VILLAGE PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH4900812.
How does MOUNT STERLING VILLAGE PWS compare to other utilities in Ohio?
MOUNT STERLING VILLAGE PWS scores 9/100 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.