Iowa
Water Quality Report
73 Good
Average Score
73/100
Water Systems
335
Population
2.8M
Violations
0 all resolved
Score Distribution
1 A
1 B
0 C
0 D
0 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| Lead | 1 |
Lowest Scoring Water Systems
Counties in Iowa
Cities in Iowa
View all 270 cities →Popular City Comparisons in Iowa
Quickly compare major cities in Iowa by water quality score and grade.
Frequently Asked Questions
Is tap water in Iowa safe to drink?
Iowa has an average WaterQ score of 73/100 across 335 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in Iowa?
WaterQ currently tracks 335 public water systems in Iowa.
Where can I compare cities in Iowa?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.