TRI-COUNTY INDUSTRIAL PARK #2
PWS ID: OR4193922 · TUALATIN, Oregon 97062
Population Served
45
Total Violations
68
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 3
- County
- Washington
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 66
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 1998 |
| Revised Total Coliform Rule | MON | 4 | 2024 |
| Nitrate | MR | 2 | 2008 |
| Lead and Copper Rule | MR | 2 | 2011 |
| Endrin | MR | 1 | 2005 |
| Methoxychlor | MR | 1 | 2005 |
| Dalapon | MR | 1 | 2005 |
| Diquat | MR | 1 | 2005 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2005 |
| Picloram | MR | 1 | 2005 |
| Hexachlorocyclopentadiene | MR | 1 | 2005 |
| Carbofuran | MR | 1 | 2005 |
| Heptachlor | MR | 1 | 2005 |
| Heptachlor epoxide | MR | 1 | 2005 |
| 2,4-D | MR | 1 | 2005 |
| Pentachlorophenol | MR | 1 | 2005 |
| Total Polychlorinated Biphenyls (PCB) | MR | 1 | 2005 |
| Chlordane | MR | 1 | 2005 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2005 |
| cis-1,2-Dichloroethylene | MR | 1 | 2005 |
| DICHLOROMETHANE | MR | 1 | 2005 |
| o-Dichlorobenzene | MR | 1 | 2005 |
| p-Dichlorobenzene | MR | 1 | 2005 |
| Vinyl chloride | MR | 1 | 2005 |
| 1,1-Dichloroethylene | MR | 1 | 2005 |
| trans-1,2-Dichloroethylene | MR | 1 | 2005 |
| 1,2-Dichloropropane | MR | 1 | 2005 |
| Trichloroethylene | MR | 1 | 2005 |
| CHLOROBENZENE | MR | 1 | 2005 |
| Benzene | MR | 1 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.