GREELEY CITY OF Water Quality Report
Population
132,310
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 12
violations recorded
C
Fair
Safety Grade
12 violations in the past 5 years
System Details
- PWSID
- CO0162321
- Population Served
- 132,310
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Colorado
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 4 |
| Bromate | ⚠ Monitoring/Reporting | 7 |
| Contaminant 1008 | ⚠ Monitoring/Reporting | 3 |
Violation History
2025
1
2024
2
2023
3
2021
6
2020
2
2006
1
Total violations on record: 15
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
15violations total
54% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 20× more people than the national average.