ROCHESTER HIGH SCHOOL
PWS ID: WA5357864 · Rochester, Washington 98579
Population Served
1,275
Total Violations
42
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 3
- County
- Thurston
- School/Daycare
- Yes
- MCL Violations
- 5
- Monitoring Violations
- 36
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 7 | 2003 |
| Coliform (TCR) | MCL | 5 | 2005 |
| Nitrate | MR | 4 | 2020 |
| 2,4,5-TP | MR | 2 | 2014 |
| Dalapon | MR | 2 | 2014 |
| Picloram | MR | 2 | 2014 |
| Pentachlorophenol | MR | 2 | 2014 |
| Revised Total Coliform Rule | MON | 2 | 2018 |
| Dinoseb | MR | 2 | 2014 |
| Arsenic | MR | 1 | 2008 |
| Chromium | MR | 1 | 2008 |
| CYANIDE | MR | 1 | 2008 |
| Mercury | MR | 1 | 2008 |
| Nickel | MR | 1 | 2008 |
| Selenium | MR | 1 | 2008 |
| Antimony, Total | MR | 1 | 2008 |
| Beryllium, Total | MR | 1 | 2008 |
| Thallium, Total | MR | 1 | 2008 |
| Cadmium | MR | 1 | 2008 |
| Barium | MR | 1 | 2008 |
| Lead and Copper Rule | MR | 1 | 2000 |
| Fluoride | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.