St John The Baptist Parish- Reserve WWTP
Reserve, LA · St. John The Baptist County · Publicly Owned Treatment Works
- Average flow
- 0.91 MGD
- Design flow
- —
- NPDES permit
- LA0127097
- Effective
- Permit expires
- November 2027
- Population served
- 8,611
- CWNS 2022
St John The Baptist Parish- Reserve WWTP is a publicly owned wastewater treatment works in Reserve, St. John The Baptist County, Louisiana treating an average of 0.91 million gallons per day, serving about 8,611 residents. It discharges under NPDES permit LA0127097 (effective), which expires in November 2027, with 11 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
- 11
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for St John The Baptist Parish- Reserve WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at St John The Baptist Parish- Reserve WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Edgard · 2 mi away
0.06 MGD
Edgard · 3 mi away
0.03 MGD
Garyville · 3 mi away
0.24 MGD
Hahnville · 11 mi away
1.43 MGD
Destrehan · 16 mi away
2.27 MGD
Luling · 18 mi away
0.84 MGD
Sorrento · 19 mi away
—
Thibodaux · 20 mi away
0.55 MGD
St John The Baptist Parish- Reserve 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 January 30, 2025.