Madisonville Town Of
Madisonville, LA · St. Tammany County · Publicly Owned Treatment Works
- Average flow
- 0.06 MGD
- Design flow
- 0.2 MGD
- NPDES permit
- LA0039730
- Effective
- Permit expires
- July 2027
- Population served
- 850
- CWNS 2022
Madisonville Town Of is a publicly owned wastewater treatment plant in Madisonville, St. Tammany County, Louisiana treating an average of 0.06 million gallons per day against a permitted design capacity of 0.2 MGD, serving about 850 residents. It discharges under NPDES permit LA0039730 (effective), which expires in July 2027, with 22 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
- 22
- Effluent violations
- 22
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Madisonville Town Of.
No verified contacts on file yet
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Nearby wastewater treatment plants in Louisiana
Madisonville · 1 mi away
0.2 MGD
Covington · 4 mi away
0.13 MGD
Covington · 4 mi away
0.06 MGD
Mandeville · 4 mi away
0.3 MGD
Madisonville · 4 mi away
0.43 MGD
Covington · 5 mi away
0.12 MGD
Mandeville · 5 mi away
0.37 MGD
Ponchatoula · 6 mi away
0.23 MGD
Madisonville Town Of: 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 July 18, 2023.