F0/100
IRONTON — Water Quality Report 2026
Serving 11,129 people · Ohio
Water Source
Surface Water
County
—
System ID
OH4400711
Violations
40
Contaminant Test Results
4 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 68.80 mg/L | 1.30 mg/L | Over Limit |
PFOA | 0.005 µg/L | 0.004 µg/L | Over Limit |
1,4-dioxane | 0.380 µg/L | — | Above Goal |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
6
Violations (last 5yr)
4
Unresolved
1
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Unresolved
Surface water treatment technique failure
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – September 8, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – September 2, 2022Enforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: August 18, 2021Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 IRONTON
Is IRONTON water safe to drink?
IRONTON water receives a grade of F (0/100), which is considered failing. 2 contaminant(s) exceed EPA legal limits and 40 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has IRONTON detected?
70 contaminants were tested in IRONTON's water. Notable contaminants include Copper (90th percentile), PFOA, Lead (90th percentile), 1,4-dioxane. 2 exceed EPA legal limits (MCLs). 4 exceed EPA health goals (MCLGs).
Does IRONTON have any EPA violations?
Yes, IRONTON has 40 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, TT, MR. 12 are health-based violations.
How many people does IRONTON serve?
IRONTON serves approximately 11,129 people, Ohio.
What type of water does IRONTON provide?
IRONTON 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 OH4400711.
How does IRONTON compare to other utilities in Ohio?
IRONTON 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.