B66/100
AQUA OHIO - ASHTABULA — Water Quality Report 2026
Serving 32,408 people · Ohio
Water Source
Surface Water
County
—
System ID
OH0400711
Violations
8
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 188.50 mg/L | 1.30 mg/L | Over Limit |
chlorate | 280.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
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 AQUA OHIO - ASHTABULA
Is AQUA OHIO - ASHTABULA water safe to drink?
AQUA OHIO - ASHTABULA water receives a grade of B (66/100), which is considered good. Out of 70 contaminants tested, 1 exceed EPA legal limits. 3 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has AQUA OHIO - ASHTABULA detected?
70 contaminants were tested in AQUA OHIO - ASHTABULA'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 AQUA OHIO - ASHTABULA have any EPA violations?
Yes, AQUA OHIO - ASHTABULA has 8 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, TT, MR. 3 are health-based violations.
How many people does AQUA OHIO - ASHTABULA serve?
AQUA OHIO - ASHTABULA serves approximately 32,408 people, Ohio.
What type of water does AQUA OHIO - ASHTABULA provide?
AQUA OHIO - ASHTABULA 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 OH0400711.
How does AQUA OHIO - ASHTABULA compare to other utilities in Ohio?
AQUA OHIO - ASHTABULA scores 66/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Ohio state page for a full comparison of water systems.