Opelousas, City Of- Candy Street WWTP
Opelousas, LA · Saint Landry County · Publicly Owned Treatment Works
- Average flow
- 1.98 MGD
- Design flow
- —
- NPDES permit
- LAL036404
- Effective
- Permit expires
- December 2030
- Population served
- 15,786
- CWNS 2022
Opelousas, City Of- Candy Street WWTP is a publicly owned wastewater treatment works in Opelousas, Saint Landry County, Louisiana treating an average of 1.98 million gallons per day, serving about 15,786 residents. It discharges under NPDES permit LAL036404 (effective), which expires in December 2030, with 191 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 191
- Effluent violations
- 138
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Opelousas, City Of- Candy Street WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Louisiana
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0.02 MGD
Grand Coteau · 6 mi away
0.06 MGD
Sunset · 7 mi away
0.56 MGD
Washington · 7 mi away
0.08 MGD
Arnaudville · 8 mi away
0.05 MGD
Port Barre · 8 mi away
0.1 MGD
Church Point · 10 mi away
0.25 MGD
Opelousas, City Of- Candy Street WWTP: 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 April 12, 2025.