C59/100
MONROE WATER SYSTEMS — Water Quality Report 2026
Serving 4,334 people · Ohio
Water Source
Groundwater
County
—
System ID
OH5600812
Violations
18
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 740.00 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Unresolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – June 13, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Surface water treatment technique failure
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 WATER SYSTEMS
Is MONROE WATER SYSTEMS water safe to drink?
MONROE WATER SYSTEMS water receives a grade of C (59/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 18 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MONROE WATER SYSTEMS detected?
32 contaminants were tested in MONROE WATER SYSTEMS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does MONROE WATER SYSTEMS have any EPA violations?
Yes, MONROE WATER SYSTEMS has 18 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, Other. 3 are health-based violations.
How many people does MONROE WATER SYSTEMS serve?
MONROE WATER SYSTEMS serves approximately 4,334 people, Ohio.
What type of water does MONROE WATER SYSTEMS provide?
MONROE WATER SYSTEMS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH5600812.
How does MONROE WATER SYSTEMS compare to other utilities in Ohio?
MONROE WATER SYSTEMS scores 59/100 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.