CRESTON WATER SUPPLY Water Quality Report
Population
7,536
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
- IA8816089
- Population Served
- 7,536
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Iowa
- EPA Region
- 7
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 2920 | ⚠ Monitoring/Reporting | 1 |
| Bromate | ⚠ Monitoring/Reporting | 1 |
| Nitrite | ⚠ Monitoring/Reporting | 1 |
| Contaminant 2257 | ✕ Health-Based | 4 |
| Atrazine | ⚠ Monitoring/Reporting | 1 |
Violation History
2019
2
2018
2
2017
2
2016
2
Total violations on record: 8
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: Nitrite
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Atrazine
How does this compare?
This systemNational average
Grade A
Avg: B-C
8violations total
29% of national average
National avg: ~28 per system
📍 Average-sized water system.