C46/100
CONNEAUT — Water Quality Report 2026
Serving 12,538 people · Ohio
Water Source
Surface Water
County
—
System ID
OH0400411
Violations
16
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 168.00 mg/L | 1.30 mg/L | Over Limit |
chlorate | 353.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Missed required monitoring deadline
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2022 – October 31, 2022Rule: Surface Water Treatment RuleEnforcement: 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 CONNEAUT
Is CONNEAUT water safe to drink?
CONNEAUT water receives a grade of C (46/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 16 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CONNEAUT detected?
70 contaminants were tested in CONNEAUT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), chlorate. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does CONNEAUT have any EPA violations?
Yes, CONNEAUT has 16 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, TT, Other. 6 are health-based violations.
How many people does CONNEAUT serve?
CONNEAUT serves approximately 12,538 people, Ohio.
What type of water does CONNEAUT provide?
CONNEAUT 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 OH0400411.
How does CONNEAUT compare to other utilities in Ohio?
CONNEAUT scores 46/100 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.