B75/100
CORALVILLE MUNI WATER SYSTEM — Water Quality Report 2026
Serving 22,318 people · Iowa
Water Source
Groundwater
County
—
System ID
IA5208071
Violations
15
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
strontium | 2020.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 CORALVILLE MUNI WATER SYSTEM
Is CORALVILLE MUNI WATER SYSTEM water safe to drink?
CORALVILLE MUNI WATER SYSTEM water receives a grade of B (75/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CORALVILLE MUNI WATER SYSTEM detected?
66 contaminants were tested in CORALVILLE MUNI WATER SYSTEM's water. Notable contaminants include Lead (90th percentile), strontium. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does CORALVILLE MUNI WATER SYSTEM have any EPA violations?
Yes, CORALVILLE MUNI WATER SYSTEM has 15 EPA violation(s) on record, with the most recent in 2018. Violation types include MON, MCL, MR. 1 are health-based violations.
How many people does CORALVILLE MUNI WATER SYSTEM serve?
CORALVILLE MUNI WATER SYSTEM serves approximately 22,318 people, Iowa. The system provides water to 1 community: Coralville.
What type of water does CORALVILLE MUNI WATER SYSTEM provide?
CORALVILLE MUNI WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA5208071.
How does CORALVILLE MUNI WATER SYSTEM compare to other utilities in Iowa?
CORALVILLE MUNI WATER SYSTEM scores 75/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Iowa state page for a full comparison of water systems.