Town Of Wisner STP
End Of Mercer St., Wisner, LA 71378 · Franklin County · Publicly Owned Treatment Works
- Average flow
- 0.0043 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- LA0038644
- Effective
- Permit expires
- September 2031
- Population served
- 1,488
- CWNS 2022
Town Of Wisner STP is a publicly owned wastewater treatment works in Wisner, Franklin County, Louisiana treating an average of 0.0043 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 1,488 residents. It discharges under NPDES permit LA0038644 (effective), which expires in September 2031, with 39 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Town Of Wisner STP.
Available with a free Klarifi account
See the full treatment train at Town Of Wisner STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 39
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Town Of Wisner STP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Town Of Wisner STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Gilbert · 5 mi away
—
Sicily Island · 8 mi away
0.02 MGD
Winnsboro · 13 mi away
0.08 MGD
Harrisonburg · 19 mi away
0.0032 MGD
Waterproof · 19 mi away
0.0084 MGD
Clayton · 19 mi away
0.04 MGD
Newellton · 22 mi away
0.03 MGD
Saint Joseph · 24 mi away
0.27 MGD
Town Of Wisner STP: 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 September 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms