Oakridge STP
Westfir, OR · Lane County · Publicly Owned Treatment Works
- Average flow
- 0.22 MGD
- Design flow
- 0.47 MGD
- NPDES permit
- OR0022314
- Expired
- Permit expires
- April 2012
- Population served
- 3,479
- CWNS 2022
Oakridge STP is a publicly owned wastewater treatment works in Westfir, Lane County, Oregon treating an average of 0.22 million gallons per day against a permitted design capacity of 0.47 MGD, serving about 3,479 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit OR0022314 (expired), which expires in April 2012, with 26 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 26
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Oakridge STP.
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Nearby wastewater treatment plants in Oregon
Westfir · 1 mi away
0.0039 MGD
Lowell · 19 mi away
0.05 MGD
Creswell · 30 mi away
0.35 MGD
Coburg · 40 mi away
0.15 MGD
Yoncalla · 40 mi away
0.06 MGD
Drain · 42 mi away
0.09 MGD
Sweet Home · 47 mi away
0.7 MGD
Veneta · 48 mi away
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Oakridge STP: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated February 10, 2025.