A91/100
HIAWATHA WATER DEPT — Water Quality Report 2026
Serving 7,183 people · Iowa
Water Source
Groundwater
County
—
System ID
IA5735045
Violations
1
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.50 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1997.
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 HIAWATHA WATER DEPT
Is HIAWATHA WATER DEPT water safe to drink?
HIAWATHA WATER DEPT water receives a grade of A (91/100), which is considered excellent. Out of 32 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HIAWATHA WATER DEPT detected?
32 contaminants were tested in HIAWATHA WATER DEPT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does HIAWATHA WATER DEPT have any EPA violations?
Yes, HIAWATHA WATER DEPT has 1 EPA violation(s) on record, with the most recent in 1997. Violation types include MR.
How many people does HIAWATHA WATER DEPT serve?
HIAWATHA WATER DEPT serves approximately 7,183 people, Iowa. The system provides water to 1 community: Hiawatha.
What type of water does HIAWATHA WATER DEPT provide?
HIAWATHA WATER DEPT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA5735045.
How does HIAWATHA WATER DEPT compare to other utilities in Iowa?
HIAWATHA WATER DEPT scores 91/100 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.