Melville WWTP
Union St., Melville, LA 71353 · Saint Landry County · Publicly Owned Treatment Works
- Average flow
- 0.0074 MGD
- Design flow
- 0.28 MGD
- NPDES permit
- LA0065340
- Effective
- Permit expires
- September 2031
- Population served
- 1,599
- CWNS 2022
Melville WWTP is a publicly owned wastewater treatment works in Melville, Saint Landry County, Louisiana treating an average of 0.0074 million gallons per day against a permitted design capacity of 0.28 MGD, serving about 1,599 residents. It discharges under NPDES permit LA0065340 (effective), which expires in September 2031, with 174 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Melville WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 174
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Melville WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Louisiana
Morganza · 9 mi away
0.14 MGD
Port Barre · 16 mi away
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New Roads · 19 mi away
0.38 MGD
New Roads · 19 mi away
0.71 MGD
Simmesport · 19 mi away
0.0019 MGD
Washington · 20 mi away
0.07 MGD
Arnaudville · 20 mi away
0.06 MGD
Maringouin · 21 mi away
0.07 MGD
Melville 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 October 26, 2026; facility record last updated July 18, 2023.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms