KAISER ALUM - TRENTWOOD WORKS
PWS ID: WA5337450 · Spokane, Washington 99215
Population Served
954
Total Violations
12
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 5
- County
- Spokane
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 6 | 2022 |
| Dalapon | MR | 1 | 2014 |
| Picloram | MR | 1 | 2014 |
| 2,4,5-TP | MR | 1 | 2014 |
| Pentachlorophenol | MR | 1 | 2014 |
| Lead and Copper Rule | MR | 1 | 2023 |
| Dinoseb | MR | 1 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.