SWEDETOWN WATER ASSOC
PWS ID: OR4101495 · CLATSKANIE, Oregon 97016
Population Served
40
Total Violations
110
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 19
- County
- Columbia
- School/Daycare
- No
- MCL Violations
- 13
- Monitoring Violations
- 86
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 41 | 2012 |
| Coliform (TCR) | MCL | 13 | 2013 |
| Lead and Copper Rule | MR | 9 | 2012 |
| Consumer Confidence Rule | Other | 6 | 2025 |
| Nitrate | MR | 3 | 2008 |
| Public Notice | Other | 3 | 2024 |
| E. COLI | MR | 3 | 2024 |
| Revised Total Coliform Rule | TT | 2 | 2024 |
| Endrin | MR | 1 | 2005 |
| BHC-GAMMA | MR | 1 | 2005 |
| Methoxychlor | MR | 1 | 2005 |
| Toxaphene | MR | 1 | 2005 |
| Diquat | MR | 1 | 2005 |
| Endothall | MR | 1 | 2005 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2005 |
| Picloram | MR | 1 | 2005 |
| Hexachlorocyclopentadiene | MR | 1 | 2005 |
| Carbofuran | MR | 1 | 2005 |
| Atrazine | MR | 1 | 2005 |
| LASSO | MR | 1 | 2005 |
| Heptachlor | MR | 1 | 2005 |
| 2,4-D | MR | 1 | 2005 |
| 2,4,5-TP | MR | 1 | 2005 |
| HEXACHLOROBENZENE | MR | 1 | 2005 |
| Benzo(a)pyrene | MR | 1 | 2005 |
| Total Polychlorinated Biphenyls (PCB) | MR | 1 | 2005 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2005 |
| ETHYLENE DIBROMIDE | MR | 1 | 2005 |
| Dalapon | MR | 1 | 2005 |
| Glyphosate | MR | 1 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.