NINETY-ONE ELEM SD 91
PWS ID: OR4193718 · CANBY, Oregon 97013
Population Served
450
Total Violations
220
Health-Based Violations
37
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Clackamas
- School/Daycare
- Yes
- MCL Violations
- 37
- Monitoring Violations
- 157
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 33 | 2012 |
| Public Notice | Other | 23 | 2012 |
| Arsenic | MR | 17 | 2014 |
| Coliform (TCR) | MR | 6 | 2009 |
| Endothall | MR | 4 | 1999 |
| Coliform (TCR) | MCL | 4 | 1995 |
| Nitrate | MR | 3 | 2007 |
| Lead and Copper Rule | MR | 3 | 2023 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 2 | 1996 |
| Dinoseb | MR | 2 | 1996 |
| Diquat | MR | 2 | 1996 |
| ETHYLENE DIBROMIDE | MR | 2 | 1996 |
| Heptachlor epoxide | MR | 2 | 1996 |
| Heptachlor | MR | 2 | 1996 |
| Pentachlorophenol | MR | 2 | 1996 |
| Simazine | MR | 2 | 1996 |
| Total Polychlorinated Biphenyls (PCB) | MR | 2 | 1996 |
| Toxaphene | MR | 2 | 1996 |
| OXAMYL | MR | 2 | 1996 |
| 1,1-Dichloroethylene | MR | 2 | 1996 |
| 1,1,1-Trichloroethane | MR | 2 | 1996 |
| 1,1,2-Trichloroethane | MR | 2 | 1996 |
| 1,2,4-Trichlorobenzene | MR | 2 | 1996 |
| DICHLOROMETHANE | MR | 2 | 1996 |
| CHLOROBENZENE | MR | 2 | 1996 |
| Tetrachloroethylene | MR | 2 | 1996 |
| trans-1,2-Dichloroethylene | MR | 2 | 1996 |
| Vinyl chloride | MR | 2 | 1996 |
| Xylenes, Total | MR | 2 | 1996 |
| Barium | MR | 2 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.