B66/100
GREENVILLE CITY PWS — Water Quality Report 2026
Serving 13,227 people · Ohio
Water Source
Surface Water
County
—
System ID
OH1900714
Violations
10
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 17.40 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
0
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: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: 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 GREENVILLE CITY PWS
Is GREENVILLE CITY PWS water safe to drink?
GREENVILLE CITY PWS water receives a grade of B (66/100), which is considered good. Out of 70 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GREENVILLE CITY PWS detected?
70 contaminants were tested in GREENVILLE CITY PWS's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does GREENVILLE CITY PWS have any EPA violations?
Yes, GREENVILLE CITY PWS has 10 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, Other, TT. 4 are health-based violations.
How many people does GREENVILLE CITY PWS serve?
GREENVILLE CITY PWS serves approximately 13,227 people, Ohio.
What type of water does GREENVILLE CITY PWS provide?
GREENVILLE 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 OH1900714.
How does GREENVILLE CITY PWS compare to other utilities in Ohio?
GREENVILLE CITY PWS scores 66/100 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.