DOWNEY - CITY, WATER DEPT. Water Quality Report
Population
108,816
people served
Water Source
🏔️ Ground
wells & aquifers
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 4 health-based
System Details
- PWSID
- CA1910034
- Population Served
- 108,816
- Water Source
- Ground Water
- Owner
- Local Government
- State
- California
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Total Coliform | ⚠ Monitoring/Reporting | 1 |
| Contaminant 8000 | ✕ Health-Based | 4 |
Violation History
2018
4
2012
1
Total violations on record: 5
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
UV Water Purifier
Kills bacteria and viruses without chemicals
Removes: Total Coliform
How does this compare?
This systemNational average
Grade A
Avg: B-C
5violations total
18% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 16× more people than the national average.