B74/100
ALTON MUNICIPAL WATER DEPARTMENT — Water Quality Report 2026
Serving 1,248 people · Iowa
Water Source
Purchased Groundwater
County
—
System ID
IA8403029
Violations
11
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2003.
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 ALTON MUNICIPAL WATER DEPARTMENT
Is ALTON MUNICIPAL WATER DEPARTMENT water safe to drink?
ALTON MUNICIPAL WATER DEPARTMENT water receives a grade of B (74/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ALTON MUNICIPAL WATER DEPARTMENT detected?
2 contaminants were tested in ALTON MUNICIPAL WATER DEPARTMENT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does ALTON MUNICIPAL WATER DEPARTMENT have any EPA violations?
Yes, ALTON MUNICIPAL WATER DEPARTMENT has 11 EPA violation(s) on record, with the most recent in 2003. Violation types include MR, MCL. 1 are health-based violations.
How many people does ALTON MUNICIPAL WATER DEPARTMENT serve?
ALTON MUNICIPAL WATER DEPARTMENT serves approximately 1,248 people, Iowa. The system provides water to 1 community: Alton.
What type of water does ALTON MUNICIPAL WATER DEPARTMENT provide?
ALTON MUNICIPAL WATER DEPARTMENT sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA8403029.
How does ALTON MUNICIPAL WATER DEPARTMENT compare to other utilities in Iowa?
ALTON MUNICIPAL WATER DEPARTMENT scores 74/100 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.