Toledo STP
Toledo, OR · Lincoln County · Publicly Owned Treatment Works
- Average flow
- 0.32 MGD
- Design flow
- 0.73 MGD
- NPDES permit
- OR0020869
- Administratively continued
- Permit expires
- November 2010
- Population served
- 3,709
- CWNS 2022
Toledo STP is a publicly owned wastewater treatment works in Toledo, Lincoln County, Oregon treating an average of 0.32 million gallons per day against a permitted design capacity of 0.73 MGD, serving about 3,709 residents. Treatment on site includes clarifiers, aerated lagoons, biogas silos, cooling towers. It discharges under NPDES permit OR0020869 (administratively continued), which expires in November 2010, with 31 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Biogas silos
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Cooling towers
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Compliance snapshot (last 3 years)
- Total violations
- 31
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Toledo STP.
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Nearby wastewater treatment plants in Oregon
Siletz · 8 mi away
0.08 MGD
Waldport · 14 mi away
0.12 MGD
Depoe Bay · 15 mi away
0.35 MGD
Gleneden Beach · 20 mi away
0.05 MGD
Yachats · 22 mi away
0.14 MGD
Lincoln City · 22 mi away
1.44 MGD
Corvallis · 29 mi away
0.43 MGD
Falls City · 30 mi away
0.009 MGD
Toledo 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 August 19, 2026.