DES MOINES WATER WORKS Water Quality Report
Population
246,055
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years, including 2 health-based
System Details
- PWSID
- IA7727031
- Population Served
- 246,055
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Iowa
- EPA Region
- 7
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 0200 | ✕ Health-Based | 2 |
| Cyanide | ⚠ Monitoring/Reporting | 2 |
| Contaminant 0800 | ⚠ Monitoring/Reporting | 2 |
Violation History
2018
2
2017
2
2009
2
Total violations on record: 6
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade A
Avg: B-C
6violations total
21% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 37× more people than the national average.