Thibodaux, City Of- North Thibodaux WWTP
Thibodaux, LA · Lafourche County · Publicly Owned Treatment Works
- Average flow
- 0.55 MGD
- Design flow
- 3 MGD
- NPDES permit
- LA0127208
- Effective
- Permit expires
- July 2030
- Population served
- —
- CWNS 2022
Thibodaux, City Of- North Thibodaux WWTP is a publicly owned wastewater treatment works in Thibodaux, Lafourche County, Louisiana treating an average of 0.55 million gallons per day against a permitted design capacity of 3 MGD. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons. It discharges under NPDES permit LA0127208 (effective), which expires in July 2030, with 113 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 113
- Effluent violations
- 101
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
27 verified contacts for Thibodaux, City Of- North Thibodaux WWTP, with validated emails and direct phone numbers.
Unlock 27 verified contacts (24 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Thibodaux, City Of- North Thibodaux WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Thibodaux · 4 mi away
0.13 MGD
Thibodaux · 5 mi away
2.1 MGD
Napoleonville · 15 mi away
0.1 MGD
Edgard · 18 mi away
0.06 MGD
Donaldsonville · 19 mi away
1.34 MGD
Garyville · 20 mi away
0.24 MGD
Reserve · 20 mi away
0.91 MGD
Lockport · 20 mi away
0.19 MGD
Thibodaux, City Of- North Thibodaux 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 March 9, 2025.