TEMPE CITY OF Water Quality Report
Population
165,000
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
- AZ0407100
- Population Served
- 165,000
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Arizona
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 2 |
| Total Trihalomethanes (TTHMs) | ✕ Health-Based | 1 |
| Contaminant 0800 | ✕ Health-Based | 1 |
| Contaminant 2039 | ⚠ Monitoring/Reporting | 2 |
| Cyanide | ⚠ Monitoring/Reporting | 9 |
Violation History
2018
10
2017
3
2016
1
2015
1
2004
2
Total violations on record: 17
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)
How does this compare?
This systemNational average
Grade A
Avg: B-C
17violations total
61% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 25× more people than the national average.