A84/100
SHEFFIELD LAKE CITY PWS — Water Quality Report 2026
Serving 9,108 people · Ohio
Water Source
Purchased Surface Water
County
—
System ID
OH4701103
Violations
5
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 91.50 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2009.
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 SHEFFIELD LAKE CITY PWS
Is SHEFFIELD LAKE CITY PWS water safe to drink?
SHEFFIELD LAKE CITY PWS water receives a grade of A (84/100), which is considered excellent. Out of 35 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SHEFFIELD LAKE CITY PWS detected?
35 contaminants were tested in SHEFFIELD LAKE CITY PWS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SHEFFIELD LAKE CITY PWS have any EPA violations?
Yes, SHEFFIELD LAKE CITY PWS has 5 EPA violation(s) on record, with the most recent in 2009. Violation types include MR, Other.
How many people does SHEFFIELD LAKE CITY PWS serve?
SHEFFIELD LAKE CITY PWS serves approximately 9,108 people, Ohio.
What type of water does SHEFFIELD LAKE CITY PWS provide?
SHEFFIELD LAKE CITY PWS 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 OH4701103.
How does SHEFFIELD LAKE CITY PWS compare to other utilities in Ohio?
SHEFFIELD LAKE CITY PWS scores 84/100 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.