F0/100

ST. CLAIRSVILLE, CITY OF PWS — Water Quality Report 2026

Serving 5,097 people · Ohio

Water Source

Surface Water

County

—

System ID

OH0701516

Violations

Contaminant Test Results

2 contaminants above EPA health goals

Contaminant	Detected	Limit (MCL)	Goal (MCLG)	Status
Copper (90th percentile)	380.00 mg/L	1.30 mg/L	1.30 mg/L	Over Limit
PFOA	0.005 µg/L	0.004 µg/L	0 µg/L	Over Limit

EPA Violation History

Violations (last 5yr)

Unresolved

Health-Related

TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: May 1, 2024 – May 31, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Failed to conduct Level 2 Assessment

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – October 14, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: November 1, 2023 – November 30, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: February 16, 2023 – May 31, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: November 23, 2022 – December 5, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

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: October 1, 2022 – December 31, 2022Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway

TIER 3Resolved

Surface water treatment technique failure

When: August 23, 2022 – March 21, 2023Enforcement: Formal — state order issued

TIER 3Resolved

Surface water treatment technique failure

When: October 19, 2021 – December 8, 2021Enforcement: Resolving — corrective action underway

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: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

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: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway

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: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued

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: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued

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 ST. CLAIRSVILLE, CITY OF PWS

Is ST. CLAIRSVILLE, CITY OF PWS water safe to drink?

ST. CLAIRSVILLE, CITY OF PWS water receives a grade of F (0/100), which is considered failing. 2 contaminant(s) exceed EPA legal limits and 70 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has ST. CLAIRSVILLE, CITY OF PWS detected?

35 contaminants were tested in ST. CLAIRSVILLE, CITY OF PWS's water. Notable contaminants include Copper (90th percentile), PFOA. 2 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does ST. CLAIRSVILLE, CITY OF PWS have any EPA violations?

Yes, ST. CLAIRSVILLE, CITY OF PWS has 70 EPA violation(s) on record, with the most recent in 2024. Violation types include MON, MR, MCL. 29 are health-based violations.

How many people does ST. CLAIRSVILLE, CITY OF PWS serve?

ST. CLAIRSVILLE, CITY OF PWS serves approximately 5,097 people, Ohio.

What type of water does ST. CLAIRSVILLE, CITY OF PWS provide?

ST. CLAIRSVILLE, CITY OF 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 OH0701516.

How does ST. CLAIRSVILLE, CITY OF PWS compare to other utilities in Ohio?

ST. CLAIRSVILLE, CITY OF 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.