Town Of Mamou WWTF
5128 Veterans Memorial Hwy/La Hwy 13, Mamou, LA 70554 · Evangeline County · Publicly Owned Treatment Works
- Average flow
- 0.4 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- LA0020125
- Effective
- Permit expires
- September 2028
- Population served
- 2,936
- CWNS 2022
Town Of Mamou WWTF is a publicly owned wastewater treatment works in Mamou, Evangeline County, Louisiana treating an average of 0.4 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 2,936 residents. It discharges under NPDES permit LA0020125 (effective), which expires in September 2028, with 94 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Town Of Mamou WWTF.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 94
- Effluent violations
- 94
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Town Of Mamou WWTF, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Town Of Mamou WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Ville Platte · 9 mi away
0.02 MGD
Ville Platte · 9 mi away
0.77 MGD
Pine Prairie · 10 mi away
0.11 MGD
Basile · 15 mi away
0.24 MGD
Oakdale · 17 mi away
1.1 MGD
Elton · 19 mi away
0.08 MGD
Church Point · 20 mi away
0.15 MGD
Oberlin · 20 mi away
0.33 MGD
Town Of Mamou WWTF: 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 · Significant industrial user · WWTP · all terms