Jennings, City Of- WWTP
Hickory Lane, Jennings, LA 70546 · Jefferson Davis County · Publicly Owned Treatment Works
- Average flow
- 1.44 MGD
- Design flow
- 2.5 MGD
- NPDES permit
- LA0041769
- Administratively continued
- Permit expires
- October 2025
- Population served
- 9,697
- CWNS 2022
Jennings, City Of- WWTP is a publicly owned wastewater treatment works in Jennings, Jefferson Davis County, Louisiana treating an average of 1.44 million gallons per day against a permitted design capacity of 2.5 MGD, serving about 9,697 residents. It discharges under NPDES permit LA0041769 (administratively continued), which expires in October 2025, with 16 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Jennings, City Of- WWTP.
Available with a free Klarifi account
See the full treatment train at Jennings, City Of- WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 16
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Jennings, City Of- WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Jennings, City Of- WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Mermentau · 4 mi away
0.06 MGD
Iota · 10 mi away
0.16 MGD
Estherwood · 11 mi away
0.0012 MGD
Lake Arthur · 11 mi away
0.48 MGD
Morse · 12 mi away
0.07 MGD
Welsh · 12 mi away
0.28 MGD
Crowley · 14 mi away
1.89 MGD
Basile · 17 mi away
0.24 MGD
Jennings, City Of- 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 October 26, 2026; facility record last updated April 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms