How much wastewater does St. Charles Parish Council--Destrehan WWTP treat?

St. Charles Parish Council--Destrehan WWTP treats an average of 2.27 MGD and is permitted for a design flow of 3.2 MGD.

What treatment technology does St. Charles Parish Council--Destrehan WWTP use?

Klarifi has identified clarifiers at the Destrehan facility.

What is the NPDES permit for St. Charles Parish Council--Destrehan WWTP?

The facility discharges under NPDES permit LA0073539, currently effective, expiring May 2027.

Is St. Charles Parish Council--Destrehan WWTP in compliance?

Discharge monitoring reports show no violations at St. Charles Parish Council--Destrehan WWTP in the last three years.

Who operates St. Charles Parish Council--Destrehan WWTP and how do I contact them?

St. Charles Parish Council--Destrehan WWTP is a publicly owned treatment works in Destrehan, Louisiana. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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St. Charles Parish Council--Destrehan WWTP

Destrehan, LA · Saint Charles County · Publicly Owned Treatment Works

Average flow: 2.27 MGD

Design flow: 3.2 MGD

NPDES permit: LA0073539; Effective

Permit expires: May 2027

Population served: 24,633; CWNS 2022

St. Charles Parish Council--Destrehan WWTP is a publicly owned wastewater treatment works in Destrehan, Saint Charles County, Louisiana treating an average of 2.27 million gallons per day against a permitted design capacity of 3.2 MGD, serving about 24,633 residents. Treatment on site includes clarifiers. It discharges under NPDES permit LA0073539 (effective), which expires in May 2027, with 0 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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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

1 verified contact for St. Charles Parish Council--Destrehan WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at St. Charles Parish Council--Destrehan WWTP, plus the full compliance history and discharge data.

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St. Charles Parish Council--Destrehan 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 August 18, 2026.

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