METTLER COUNTY WATER DISTRICT Water Quality Report
Population
90
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
—
of 49,184 US systems
5-Year Record
⚠️ 29
violations recorded
F
Unsafe
Safety Grade
29 violations in the past 5 years, including 38 health-based
System Details
- PWSID
- CA1500401
- Population Served
- 90
- Water Source
- Ground Water
- Owner
- Local Government
- State
- California
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 2 |
| Nitrate | ✕ Health-Based | 37 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 5200 | ✕ Health-Based | 2 |
Violation History
2025
2
2024
3
2023
11
2022
5
2021
8
2020
2
2019
4
2018
4
2017
2
2002
1
Total violations on record: 44
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
44violations total
157% of national average
National avg: ~28 per system
🏘️ Small community water system.