OTTUMWA WATER WORKS Water Quality Report
Population
25,529
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 14
violations recorded
C
Fair
Safety Grade
14 violations in the past 5 years
System Details
- PWSID
- IA9083012
- Population Served
- 25,529
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Iowa
- EPA Region
- 7
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 4 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 4 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2920 | ⚠ Monitoring/Reporting | 4 |
| Nitrate | ⚠ Monitoring/Reporting | 3 |
Violation History
2024
6
2022
8
2015
1
2013
1
Total violations on record: 16
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Nitrate
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade C
Avg: B-C
16violations total
57% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 4× the national average.