VISTA HILLS MUTUAL WATER COMPANY Water Quality Report
Population
75
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 4
violations recorded
C
Fair
Safety Grade
4 violations in the past 5 years, including 3 health-based
System Details
- PWSID
- CA4200848
- Population Served
- 75
- Water Source
- Ground Water
- Owner
- Private
- State
- California
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 3 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 4 |
| Nitrate | ⚠ Monitoring/Reporting | 1 |
| Thallium | ✕ Health-Based | 3 |
Violation History
2025
3
2023
1
2018
2
2017
2
2007
1
2006
1
2002
1
Total violations on record: 11
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 C
Avg: B-C
11violations total
39% of national average
National avg: ~28 per system
🏘️ Small community water system.