D27/100
EARLHAM MUNICIPAL WATERWORKS — Water Quality Report 2026
Serving 1,446 people · Iowa
Water Source
Purchased Surface Water
County
—
System ID
IA6115097
Violations
22
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1990.
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 EARLHAM MUNICIPAL WATERWORKS
Is EARLHAM MUNICIPAL WATERWORKS water safe to drink?
EARLHAM MUNICIPAL WATERWORKS water receives a grade of D (27/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 22 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has EARLHAM MUNICIPAL WATERWORKS detected?
1 contaminants were tested in EARLHAM MUNICIPAL WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does EARLHAM MUNICIPAL WATERWORKS have any EPA violations?
Yes, EARLHAM MUNICIPAL WATERWORKS has 22 EPA violation(s) on record, with the most recent in 1990. Violation types include MR, MCL, Other. 12 are health-based violations.
How many people does EARLHAM MUNICIPAL WATERWORKS serve?
EARLHAM MUNICIPAL WATERWORKS serves approximately 1,446 people, Iowa. The system provides water to 1 community: Earlham.
What type of water does EARLHAM MUNICIPAL WATERWORKS provide?
EARLHAM MUNICIPAL WATERWORKS sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IA6115097.
How does EARLHAM MUNICIPAL WATERWORKS compare to other utilities in Iowa?
EARLHAM MUNICIPAL WATERWORKS scores 27/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Iowa state page for a full comparison of water systems.