C42/100

MONROE CITY PWS — Water Quality Report 2026

Serving 15,600 people · Ohio

Water Source
Purchased Surface Water
County
System ID
OH0902012
Violations
36

Contaminant Test Results

3 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
50.00 mg/L1.30 mg/LOver Limit
1,4-dioxane
0.370 µg/LAbove Goal
Lead (90th percentile)
0.002 mg/L0.015 mg/LAbove Goal

EPA Violation History

6

Violations (last 5yr)

1

Unresolved

0

Health-Related

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 14, 2025 – May 30, 2025Rule: 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: January 1, 2024 – March 31, 2024Rule: 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: January 1, 2024 – March 31, 2024Rule: 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: April 1, 2022 – June 30, 2022Rule: 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: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Unresolved

Surface water treatment technique failure

When: November 2, 2021Enforcement: Informal — resolved cooperativelyVerify on EPA.gov

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 MONROE CITY PWS

Is MONROE CITY PWS water safe to drink?

MONROE CITY PWS water receives a grade of C (42/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 36 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has MONROE CITY PWS detected?

70 contaminants were tested in MONROE CITY PWS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), 1,4-dioxane. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).

Does MONROE CITY PWS have any EPA violations?

Yes, MONROE CITY PWS has 36 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 2 are health-based violations.

How many people does MONROE CITY PWS serve?

MONROE CITY PWS serves approximately 15,600 people, Ohio.

What type of water does MONROE CITY PWS provide?

MONROE CITY PWS sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OH0902012.

How does MONROE CITY PWS compare to other utilities in Ohio?

MONROE CITY PWS scores 42/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Ohio state page for a full comparison of water systems.