Lebanon STP
Lebanon, OR · Linn County · Publicly Owned Treatment Works
- Average flow
- 1.63 MGD
- Design flow
- 3 MGD
- NPDES permit
- OR0020818
- Effective
- Permit expires
- October 2030
- Population served
- 17,335
- CWNS 2022
Lebanon STP is a publicly owned wastewater treatment works in Lebanon, Linn County, Oregon treating an average of 1.63 million gallons per day against a permitted design capacity of 3 MGD, serving about 17,335 residents. Treatment on site includes clarifiers. It discharges under NPDES permit OR0020818 (effective), which expires in October 2030, with 54 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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Compliance snapshot (last 3 years)
- Total violations
- 54
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Lebanon
Lebanon's capital improvement plan lists 8 water, sewer and wastewater line items worth $22M starting 2022–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Lebanon →
| Project | Budget | Years |
|---|---|---|
| WWTP Bio-Solids Improvements | $10,000,000 | 2024–2025 |
| WWTP Upgrades via WWTP Master Plan | $5,000,000 | 2026–2027 |
| Priority Waterline Replacement | $2,000,000 | 2022–2027 |
| Hwy 20 Main Replacement (Airport to Division) | $1,500,000 | 2025–2026 |
| Sanitary Sewer Replacement Program | $1,250,000 | 2022–2027 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
Decision-makers at Lebanon STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Oregon
Scio · 11 mi away
0.04 MGD
Brownsville · 11 mi away
0.1 MGD
Albany · 11 mi away
4.59 MGD
Tangent · 12 mi away
0.09 MGD
Sweet Home · 13 mi away
0.7 MGD
Jefferson · 13 mi away
0.17 MGD
Halsey · 16 mi away
0.04 MGD
Corvallis · 18 mi away
0.1 MGD
Lebanon 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 27, 2025.