SIERRA VISTA ASSOCIATION Water Quality Report
Population
43
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
—
of 49,184 US systems
5-Year Record
⚠️ 44
violations recorded
F
Unsafe
Safety Grade
44 violations in the past 5 years, including 82 health-based
System Details
- PWSID
- CA5400964
- Population Served
- 43
- Water Source
- Ground Water
- Owner
- Private
- State
- California
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Nitrate | ✕ Health-Based | 82 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 4 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 3 |
Violation History
2025
5
2024
8
2023
12
2022
11
2021
8
2020
8
2019
8
2018
8
2017
14
2016
8
Total violations on record: 90
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: Nitrate
How does this compare?
This systemNational average
Grade F
Avg: B-C
90violations total
321% of national average
National avg: ~28 per system
🏘️ Small community water system.