A90/100
LAKE COUNTY WEST WATER SUBDISTRICT — Water Quality Report 2026
Serving 78,379 people · Ohio
Water Source
Surface Water
County
—
System ID
OH4302411
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 26.60 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: December 18, 2024 – June 9, 2025Enforcement: Resolving — corrective action underway
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 LAKE COUNTY WEST WATER SUBDISTRICT
Is LAKE COUNTY WEST WATER SUBDISTRICT water safe to drink?
LAKE COUNTY WEST WATER SUBDISTRICT water receives a grade of A (90/100), which is considered excellent. Out of 70 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LAKE COUNTY WEST WATER SUBDISTRICT detected?
70 contaminants were tested in LAKE COUNTY WEST WATER SUBDISTRICT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does LAKE COUNTY WEST WATER SUBDISTRICT have any EPA violations?
Yes, LAKE COUNTY WEST WATER SUBDISTRICT has 2 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MON.
How many people does LAKE COUNTY WEST WATER SUBDISTRICT serve?
LAKE COUNTY WEST WATER SUBDISTRICT serves approximately 78,379 people, Ohio.
What type of water does LAKE COUNTY WEST WATER SUBDISTRICT provide?
LAKE COUNTY WEST WATER SUBDISTRICT 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 OH4302411.
How does LAKE COUNTY WEST WATER SUBDISTRICT compare to other utilities in Ohio?
LAKE COUNTY WEST WATER SUBDISTRICT scores 90/100 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.