C55/100
ANAMOSA MUNICIPAL WATER SUPPLY — Water Quality Report 2026
Serving 4,457 people · Iowa
Water Source
Groundwater
County
—
System ID
IA5307048
Violations
18
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.36 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 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 ANAMOSA MUNICIPAL WATER SUPPLY
Is ANAMOSA MUNICIPAL WATER SUPPLY water safe to drink?
ANAMOSA MUNICIPAL WATER SUPPLY water receives a grade of C (55/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 18 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ANAMOSA MUNICIPAL WATER SUPPLY detected?
32 contaminants were tested in ANAMOSA 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 ANAMOSA MUNICIPAL WATER SUPPLY have any EPA violations?
Yes, ANAMOSA MUNICIPAL WATER SUPPLY has 18 EPA violation(s) on record, with the most recent in 2009. Violation types include MR, MCL. 4 are health-based violations.
How many people does ANAMOSA MUNICIPAL WATER SUPPLY serve?
ANAMOSA MUNICIPAL WATER SUPPLY serves approximately 4,457 people, Iowa. The system provides water to 1 community: Anamosa.
What type of water does ANAMOSA MUNICIPAL WATER SUPPLY provide?
ANAMOSA 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 IA5307048.
How does ANAMOSA MUNICIPAL WATER SUPPLY compare to other utilities in Iowa?
ANAMOSA MUNICIPAL WATER SUPPLY 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.