How much wastewater does Jennings, City Of- WWTP treat?

Jennings, City Of- WWTP treats an average of 1.61 MGD and is permitted for a design flow of 2.5 MGD.

What treatment technology does Jennings, City Of- WWTP use?

Klarifi has identified clarifiers, uncovered lagoons at the Jennings facility.

What is the NPDES permit for Jennings, City Of- WWTP?

The facility discharges under NPDES permit LA0041769, currently administratively continued, expiring October 2025.

Is Jennings, City Of- WWTP in compliance?

Discharge monitoring reports show 16 violations at Jennings, City Of- WWTP in the last three years, 5 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Jennings, City Of- WWTP and how do I contact them?

Jennings, City Of- WWTP is a publicly owned treatment works in Jennings, Louisiana. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Jennings, City Of- WWTP

Jennings, LA · Jefferson Davis County · Publicly Owned Treatment Works

Average flow: 1.61 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 1.61 million gallons per day against a permitted design capacity of 2.5 MGD, serving about 9,697 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit LA0041769 (administratively continued), which expires in October 2025, with 16 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Clarifiers

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Uncovered lagoons

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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.

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Names, validated emails and direct phone numbers for decision-makers at Jennings, City Of- WWTP, plus the full compliance history and discharge data.

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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 September 11, 2026; facility record last updated April 24, 2025.

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