OREGON TRAIL SD - KELSO ELEM
PWS ID: OR4193720 · SANDY, Oregon 97055
Population Served
450
Total Violations
29
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Clackamas
- School/Daycare
- Yes
- MCL Violations
- 4
- Monitoring Violations
- 21
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 13 | 2011 |
| Coliform (TCR) | MR | 6 | 2010 |
| Coliform (TCR) | MCL | 4 | 2015 |
| Nitrate | MR | 1 | 1993 |
| Public Notice | Other | 1 | 2015 |
| Revised Total Coliform Rule | MON | 1 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.