FOUR LAKES WATER DISTRICT 10
PWS ID: WA5326200 · Four Lakes, Washington 99014
Population Served
433
Total Violations
22
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 184
- County
- Spokane
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 10 | 1994 |
| Nitrate | MR | 2 | 2024 |
| Selenium | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
| Nitrate | MCL | 1 | 2006 |
| Barium | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| Fluoride | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.