A81/100
ASHTABULA COUNTY WATER SYSTEM — Water Quality Report 2026
Serving 13,972 people · Ohio
Water Source
Purchased Surface Water
County
—
System ID
OH0400803
Violations
4
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 99.00 mg/L | 1.30 mg/L | Over Limit |
chlorate | 240.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 ASHTABULA COUNTY WATER SYSTEM
Is ASHTABULA COUNTY WATER SYSTEM water safe to drink?
ASHTABULA COUNTY WATER SYSTEM water receives a grade of A (81/100), which is considered excellent. Out of 70 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ASHTABULA COUNTY WATER SYSTEM detected?
70 contaminants were tested in ASHTABULA COUNTY WATER SYSTEM's water. Notable contaminants include Copper (90th percentile), chlorate. 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does ASHTABULA COUNTY WATER SYSTEM have any EPA violations?
Yes, ASHTABULA COUNTY WATER SYSTEM has 4 EPA violation(s) on record, with the most recent in 2020. Violation types include MCL, MR, Other. 1 are health-based violations.
How many people does ASHTABULA COUNTY WATER SYSTEM serve?
ASHTABULA COUNTY WATER SYSTEM serves approximately 13,972 people, Ohio.
What type of water does ASHTABULA COUNTY WATER SYSTEM provide?
ASHTABULA COUNTY WATER SYSTEM 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 OH0400803.
How does ASHTABULA COUNTY WATER SYSTEM compare to other utilities in Ohio?
ASHTABULA COUNTY WATER SYSTEM scores 81/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Ohio state page for a full comparison of water systems.