A94/100
MONONA MUNICIPAL WATER DEPT — Water Quality Report 2026
Serving 1,471 people · Iowa
Water Source
Groundwater
County
—
System ID
IA2264095
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2000.
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 MONONA MUNICIPAL WATER DEPT
Is MONONA MUNICIPAL WATER DEPT water safe to drink?
MONONA MUNICIPAL WATER DEPT water receives a grade of A (94/100), which is considered excellent. 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 MONONA MUNICIPAL WATER DEPT detected?
1 contaminants were tested in MONONA MUNICIPAL WATER DEPT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MONONA MUNICIPAL WATER DEPT have any EPA violations?
Yes, MONONA MUNICIPAL WATER DEPT has 3 EPA violation(s) on record, with the most recent in 2000. Violation types include MR, Other.
How many people does MONONA MUNICIPAL WATER DEPT serve?
MONONA MUNICIPAL WATER DEPT serves approximately 1,471 people, Iowa. The system provides water to 1 community: Monona.
What type of water does MONONA MUNICIPAL WATER DEPT provide?
MONONA MUNICIPAL WATER DEPT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA2264095.
How does MONONA MUNICIPAL WATER DEPT compare to other utilities in Iowa?
MONONA MUNICIPAL WATER DEPT scores 94/100 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.