Columbia Place LLC
PWS ID: WA5353263 · Portland, Washington 97218
Population Served
125
Total Violations
235
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 51
- County
- Benton
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 229
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 23 | 2019 |
| Coliform (TCR) | MR | 15 | 2005 |
| Methoxychlor | MR | 7 | 2008 |
| Toxaphene | MR | 7 | 2008 |
| Di(2-ethylhexyl) adipate | MR | 7 | 2008 |
| Di(2-ethylhexyl) phthalate | MR | 7 | 2008 |
| Atrazine | MR | 7 | 2008 |
| Heptachlor | MR | 7 | 2008 |
| HEXACHLOROBENZENE | MR | 7 | 2008 |
| Benzo(a)pyrene | MR | 7 | 2008 |
| Chlordane | MR | 7 | 2008 |
| Endrin | MR | 7 | 2008 |
| BHC-GAMMA | MR | 7 | 2008 |
| Simazine | MR | 7 | 2008 |
| LASSO | MR | 7 | 2008 |
| Hexachlorocyclopentadiene | MR | 7 | 2008 |
| Heptachlor epoxide | MR | 7 | 2008 |
| Consumer Confidence Rule | Other | 5 | 2024 |
| Diquat | MR | 5 | 2005 |
| Cadmium | MR | 4 | 2002 |
| Chromium | MR | 4 | 2002 |
| Fluoride | MR | 4 | 2002 |
| Barium | MR | 4 | 2002 |
| Arsenic | MR | 4 | 2002 |
| Selenium | MR | 4 | 2002 |
| Mercury | MR | 4 | 2002 |
| Antimony, Total | MR | 3 | 2002 |
| Beryllium, Total | MR | 3 | 2002 |
| Pentachlorophenol | MR | 3 | 2008 |
| Lead and Copper Rule | MR | 3 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.