Linwood Subdivision East
Grant Road, Opelousas, LA 70570 · St. Landry County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.9 MGD
- NPDES permit
- LA0057401
- Effective
- Permit expires
- July 2027
- Population served
- —
- CWNS 2022
Linwood Subdivision East is a publicly owned wastewater treatment plant in Opelousas, St. Landry County, Louisiana treating an average of 0.08 million gallons per day against a permitted design capacity of 0.9 MGD. It discharges under NPDES permit LA0057401 (effective), which expires in July 2027, with 26 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Linwood Subdivision East.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 26
- Effluent violations
- 26
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Linwood Subdivision East.
No verified contacts on file yet
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Nearby wastewater treatment plants in Louisiana
Opelousas · 2 mi away
0.04 MGD
Opelousas · 2 mi away
2.52 MGD
Grand Coteau · 4 mi away
0.27 MGD
Sunset · 5 mi away
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Arnaudville · 6 mi away
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Port Barre · 8 mi away
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Washington · 9 mi away
0.07 MGD
Arnaudville · 9 mi away
0.14 MGD
Linwood Subdivision East: 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 5, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms