C55/100
IOWA CITY WATER DEPARTMENT — Water Quality Report 2026
Serving 68,753 people · Iowa
Water Source
Surface Water
County
—
System ID
IA5225079
Violations
42
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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 IOWA CITY WATER DEPARTMENT
Is IOWA CITY WATER DEPARTMENT water safe to drink?
IOWA CITY WATER DEPARTMENT water receives a grade of C (55/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 42 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has IOWA CITY WATER DEPARTMENT detected?
76 contaminants were tested in IOWA CITY WATER DEPARTMENT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does IOWA CITY WATER DEPARTMENT have any EPA violations?
Yes, IOWA CITY WATER DEPARTMENT has 42 EPA violation(s) on record, with the most recent in 2013. Violation types include MR.
How many people does IOWA CITY WATER DEPARTMENT serve?
IOWA CITY WATER DEPARTMENT serves approximately 68,753 people, Iowa. The system provides water to 1 community: Iowa City.
What type of water does IOWA CITY WATER DEPARTMENT provide?
IOWA CITY WATER DEPARTMENT 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 IA5225079.
How does IOWA CITY WATER DEPARTMENT compare to other utilities in Iowa?
IOWA CITY WATER DEPARTMENT scores 55/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Iowa state page for a full comparison of water systems.