A88/100
CARROLL MUNICIPAL WATER SUPPLY — Water Quality Report 2026
Serving 10,184 people · Iowa
Water Source
Groundwater
County
—
System ID
IA1415072
Violations
1
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.37 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.008 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1992.
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 CARROLL MUNICIPAL WATER SUPPLY
Is CARROLL MUNICIPAL WATER SUPPLY water safe to drink?
CARROLL MUNICIPAL WATER SUPPLY water receives a grade of A (88/100), which is considered excellent. Out of 67 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CARROLL MUNICIPAL WATER SUPPLY detected?
67 contaminants were tested in CARROLL MUNICIPAL WATER SUPPLY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CARROLL MUNICIPAL WATER SUPPLY have any EPA violations?
Yes, CARROLL MUNICIPAL WATER SUPPLY has 1 EPA violation(s) on record, with the most recent in 1992. Violation types include MR.
How many people does CARROLL MUNICIPAL WATER SUPPLY serve?
CARROLL MUNICIPAL WATER SUPPLY serves approximately 10,184 people, Iowa. The system provides water to 1 community: Carroll.
What type of water does CARROLL MUNICIPAL WATER SUPPLY provide?
CARROLL MUNICIPAL WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA1415072.
How does CARROLL MUNICIPAL WATER SUPPLY compare to other utilities in Iowa?
CARROLL MUNICIPAL WATER SUPPLY scores 88/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Iowa state page for a full comparison of water systems.