SIERRA MUTUAL WATER COMPANY Water Quality Report
Population
43
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
—
of 49,184 US systems
5-Year Record
⚠️ 6
violations recorded
F
Unsafe
Safety Grade
6 violations in the past 5 years, including 66 health-based
System Details
- PWSID
- CA5403110
- Population Served
- 43
- Water Source
- Ground Water
- Owner
- Private
- State
- California
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Nitrate | ✕ Health-Based | 72 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 6 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 2 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 2 |
Violation History
2021
6
2020
10
2019
10
2018
8
2017
14
2016
8
2014
2
2013
8
2012
1
2011
7
Total violations on record: 84
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
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade F
Avg: B-C
84violations total
300% of national average
National avg: ~28 per system
🏘️ Small community water system.