BLALOCK ORCHARDS DIST 12
PWS ID: WA5307400 · Walla Walla, Washington 99362
Population Served
193
Total Violations
13
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 68
- County
- Walla Walla
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 8
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 4 | 2004 |
| Lead and Copper Rule | MR | 2 | 2021 |
| Coliform (TCR) | MR | 2 | 2014 |
| Consumer Confidence Rule | Other | 1 | 1999 |
| TTHM | MR | 1 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2019 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Nitrate | MR | 1 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.