WINSLOW CITY OF Water Quality Report
Population
9,789
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 28
violations recorded
C
Fair
Safety Grade
28 violations in the past 5 years
System Details
- PWSID
- AZ0409035
- Population Served
- 9,789
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Arizona
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 20 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 3 |
| Total Coliform | ⚠ Monitoring/Reporting | 2 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 25 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 2 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 5 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 3 |
| Contaminant 2326 | ⚠ Monitoring/Reporting | 4 |
| Contaminant 2105 | ⚠ Monitoring/Reporting | 4 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 2 |
Violation History
2025
4
2024
6
2023
14
2022
4
2020
7
2019
4
2018
5
2017
3
2016
13
2015
2
Total violations on record: 70
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
UV Water Purifier
Kills bacteria and viruses without chemicals
Removes: Total Coliform
How does this compare?
This systemNational average
Grade C
Avg: B-C
70violations total
250% of national average
National avg: ~28 per system
📍 Average-sized water system.