Alpine Community STP
25327 Alpine Rd, Monroe, OR 97456 · Benton County · Publicly Owned Treatment Works
- Average flow
- 0.0095 MGD
- Design flow
- 0.02 MGD
- NPDES permit
- OR0032387
- Administratively continued
- Permit expires
- June 2011
- Population served
- 156
- CWNS 2022
Alpine Community STP is a publicly owned wastewater treatment works in Monroe, Benton County, Oregon treating an average of 0.0095 million gallons per day against a permitted design capacity of 0.02 MGD, serving about 156 residents. It discharges under NPDES permit OR0032387 (administratively continued), which expires in June 2011, with 24 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Alpine Community STP.
Available with a free Klarifi account
See the full treatment train at Alpine Community STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 24
- 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 Alpine Community STP.
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Nearby wastewater treatment plants in Oregon
Monroe · 3 mi away
0.17 MGD
Harrisburg · 9 mi away
0.8 MGD
Junction City · 10 mi away
1.19 MGD
Halsey · 12 mi away
0.16 MGD
Corvallis · 13 mi away
0.75 MGD
Brownsville · 18 mi away
0.3 MGD
Tangent · 19 mi away
0.15 MGD
Coburg · 19 mi away
0.18 MGD
Alpine Community 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 October 26, 2026; facility record last updated February 14, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms