WALLA WALLA AIRPORT
PWS ID: WA5392430 · Walla Walla, Washington 99362
Population Served
280
Total Violations
36
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 132
- County
- Walla Walla
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 36
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Barium | MR | 3 | 2002 |
| Cadmium | MR | 3 | 2002 |
| Chromium | MR | 3 | 2002 |
| CYANIDE | MR | 3 | 2002 |
| Nickel | MR | 3 | 2002 |
| Antimony, Total | MR | 3 | 2002 |
| Thallium, Total | MR | 3 | 2002 |
| Selenium | MR | 3 | 2002 |
| Beryllium, Total | MR | 3 | 2002 |
| Fluoride | MR | 3 | 2002 |
| Mercury | MR | 3 | 2002 |
| Nitrate | MR | 1 | 2020 |
| Lead and Copper Rule | MR | 1 | 1998 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.