MOSSY BRAE WATER DISTRICT
PWS ID: OR4100945 · WEST LINN, Oregon 97068
Population Served
100
Total Violations
127
Health-Based Violations
12
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 50
- County
- Clackamas
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 88
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 21 | 2025 |
| Coliform (TCR) | MR | 19 | 2015 |
| Coliform (TCR) | MCL | 10 | 2012 |
| Lead and Copper Rule | MR | 5 | 2022 |
| E. COLI | MR | 4 | 2015 |
| Public Notice | Other | 3 | 2015 |
| cis-1,2-Dichloroethylene | MR | 1 | 1999 |
| Ethylbenzene | MR | 1 | 1999 |
| Tetrachloroethylene | MR | 1 | 1999 |
| CHLOROBENZENE | MR | 1 | 1999 |
| o-Dichlorobenzene | MR | 1 | 1999 |
| Styrene | MR | 1 | 1999 |
| trans-1,2-Dichloroethylene | MR | 1 | 1999 |
| Di(2-ethylhexyl) adipate | MR | 1 | 1999 |
| LASSO | MR | 1 | 1999 |
| Atrazine | MR | 1 | 1999 |
| Benzo(a)pyrene | MR | 1 | 1999 |
| Carbofuran | MR | 1 | 1999 |
| Chlordane | MR | 1 | 1999 |
| Endothall | MR | 1 | 1999 |
| Heptachlor | MR | 1 | 1999 |
| Hexachlorocyclopentadiene | MR | 1 | 1999 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 1999 |
| Simazine | MR | 1 | 1999 |
| OXAMYL | MR | 1 | 1999 |
| Arsenic | MR | 1 | 1999 |
| Antimony, Total | MR | 1 | 1999 |
| Beryllium, Total | MR | 1 | 1999 |
| Lead and Copper Rule | TT | 1 | 2002 |
| Di(2-ethylhexyl) phthalate | MCL | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.