B79/100
LAKE MILLS MUNICIPAL WATER DEPT-SOUTH — Water Quality Report 2026
Serving 2,158 people · Iowa
Water Source
Groundwater
County
—
System ID
IA9545044
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
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 2001.
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 LAKE MILLS MUNICIPAL WATER DEPT-SOUTH
Is LAKE MILLS MUNICIPAL WATER DEPT-SOUTH water safe to drink?
LAKE MILLS MUNICIPAL WATER DEPT-SOUTH water receives a grade of B (79/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LAKE MILLS MUNICIPAL WATER DEPT-SOUTH detected?
1 contaminants were tested in LAKE MILLS MUNICIPAL WATER DEPT-SOUTH's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LAKE MILLS MUNICIPAL WATER DEPT-SOUTH have any EPA violations?
Yes, LAKE MILLS MUNICIPAL WATER DEPT-SOUTH has 6 EPA violation(s) on record, with the most recent in 2001. Violation types include MR, MCL. 3 are health-based violations.
How many people does LAKE MILLS MUNICIPAL WATER DEPT-SOUTH serve?
LAKE MILLS MUNICIPAL WATER DEPT-SOUTH serves approximately 2,158 people, Iowa. The system provides water to 1 community: Lake Mills.
What type of water does LAKE MILLS MUNICIPAL WATER DEPT-SOUTH provide?
LAKE MILLS MUNICIPAL WATER DEPT-SOUTH sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA9545044.
How does LAKE MILLS MUNICIPAL WATER DEPT-SOUTH compare to other utilities in Iowa?
LAKE MILLS MUNICIPAL WATER DEPT-SOUTH scores 79/100 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.