WELCHES WATER COMPANY
PWS ID: OR4100937 · SANDY, Oregon 97055
Population Served
60
Total Violations
197
Health-Based Violations
31
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 118
- County
- Clackamas
- School/Daycare
- No
- MCL Violations
- 28
- Monitoring Violations
- 153
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 28 | 2016 |
| E. COLI | MR | 11 | 2023 |
| Lead and Copper Rule | MR | 9 | 2024 |
| COLIPHAGE | MR | 8 | 2024 |
| Coliform (TCR) | MR | 7 | 2013 |
| Nitrate | MR | 6 | 2022 |
| Public Notice | Other | 5 | 2018 |
| Consumer Confidence Rule | Other | 4 | 2025 |
| Revised Total Coliform Rule | MON | 4 | 2020 |
| TTHM | MR | 3 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2024 |
| Lead and Copper Rule | TT | 3 | 2018 |
| 1,2,4-Trichlorobenzene | MR | 2 | 2020 |
| cis-1,2-Dichloroethylene | MR | 2 | 2020 |
| Xylenes, Total | MR | 2 | 2020 |
| DICHLOROMETHANE | MR | 2 | 2020 |
| Vinyl chloride | MR | 2 | 2020 |
| 1,1-Dichloroethylene | MR | 2 | 2020 |
| trans-1,2-Dichloroethylene | MR | 2 | 2020 |
| 1,2-Dichloroethane | MR | 2 | 2020 |
| Carbon tetrachloride | MR | 2 | 2020 |
| 1,2-Dichloropropane | MR | 2 | 2020 |
| Trichloroethylene | MR | 2 | 2020 |
| 1,1,2-Trichloroethane | MR | 2 | 2020 |
| Tetrachloroethylene | MR | 2 | 2020 |
| CHLOROBENZENE | MR | 2 | 2020 |
| Benzene | MR | 2 | 2020 |
| Toluene | MR | 2 | 2020 |
| Ethylbenzene | MR | 2 | 2020 |
| Styrene | MR | 2 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.