La Center STP Aspen Ave
101 Aspen Ave, La Center, WA 98629 · Clark County · Publicly Owned Treatment Works
- Average flow
- 0.31 MGD
- Design flow
- 2.76 MGD
- NPDES permit
- WA0023230
- Administratively continued
- Permit expires
- January 2021
- Population served
- 3,245
- CWNS 2022
La Center STP Aspen Ave is a publicly owned wastewater treatment works in La Center, Clark County, Washington treating an average of 0.31 million gallons per day against a permitted design capacity of 2.76 MGD, serving about 3,245 residents. It discharges under NPDES permit WA0023230 (administratively continued), which expires in January 2021, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at La Center STP Aspen Ave.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 0
- 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 La Center STP Aspen Ave.
No verified contacts on file yet
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Ridgefield · 5 mi away
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Vancouver · 9 mi away
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Kalama · 13 mi away
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Yacolt · 18 mi away
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Longview · 21 mi away
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Washougal · 26 mi away
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Castle Rock · 30 mi away
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Toutle · 32 mi away
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La Center STP Aspen Ave: 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 October 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms