STAFFORD ELEMENTARY
PWS ID: OR4193701 · TUALATIN, Oregon 97062
Population Served
600
Total Violations
83
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Clackamas
- School/Daycare
- Yes
- MCL Violations
- 1
- Monitoring Violations
- 82
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 10 | 2008 |
| Lead and Copper Rule | MR | 9 | 2018 |
| Nitrate | MR | 3 | 2007 |
| Toxaphene | MR | 2 | 2020 |
| OXAMYL | MR | 2 | 2020 |
| Carbofuran | MR | 2 | 2020 |
| Total Polychlorinated Biphenyls (PCB) | MR | 2 | 2020 |
| ETHYLENE DIBROMIDE | MR | 2 | 2020 |
| Chlordane | MR | 2 | 2020 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 2 | 2020 |
| Arsenic | MR | 1 | 2002 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2002 |
| o-Dichlorobenzene | MR | 1 | 2002 |
| p-Dichlorobenzene | MR | 1 | 2002 |
| trans-1,2-Dichloroethylene | MR | 1 | 2002 |
| 1,2-Dichloroethane | MR | 1 | 2002 |
| 1,1,1-Trichloroethane | MR | 1 | 2002 |
| Carbon tetrachloride | MR | 1 | 2002 |
| Trichloroethylene | MR | 1 | 2002 |
| 1,1,2-Trichloroethane | MR | 1 | 2002 |
| Benzene | MR | 1 | 2002 |
| Toluene | MR | 1 | 2002 |
| Ethylbenzene | MR | 1 | 2002 |
| Styrene | MR | 1 | 2002 |
| Endrin | MR | 1 | 2002 |
| Dalapon | MR | 1 | 2002 |
| Diquat | MR | 1 | 2002 |
| Glyphosate | MR | 1 | 2002 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2002 |
| Picloram | MR | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.