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Opelousas, City Of- Candy Street WWTP

900 Cypress Street, Opelousas, LA 70570 · Saint Landry County · Publicly Owned Treatment Works

Average flow
2.52 MGD
Design flow
—
NPDES permit
LAL036404
Effective
Permit expires
December 2030
Population served
15,786
CWNS 2022

Opelousas, City Of- Candy Street WWTP is a publicly owned wastewater treatment works in Opelousas, Saint Landry County, Louisiana treating an average of 2.52 million gallons per day, serving about 15,786 residents. It discharges under NPDES permit LAL036404 (effective), which expires in December 2030, with 186 recorded violations in the last three years. EPA has recorded 8 formal enforcement actions naming the plant, the latest in October 2023.

Treatment technology

Treatment structures and unit processes at Opelousas, City Of- Candy Street WWTP.

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations
186
Effluent violations
139

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

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Opelousas, City Of- Candy Street WWTP in EPA's ICIS system.

Formal actions
8
1 since FY2020
Penalties assessed
$39,800
all cases
Compliance actions
$20M
required by EPA orders
EPA inspections
0
none on record

Latest case · Oct 2023

Opelousas, City of

Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $4,800 · Compliance actions $4,800

EPA's description of the case:

“Failure to report sanitary sewer overflows”

Source: EPA ECHO, civil enforcement case 06-2022-1761.

Full case history with a free Klarifi account

Every action against Opelousas, City Of- Candy Street WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

Decision-makers at Opelousas, City Of- Candy Street WWTP.

No verified contacts on file yet

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Nearby wastewater treatment plants in Louisiana

City Of Opelousas - South Opelousas WWTP

Opelousas · 1 mi away

0.04 MGD

Linwood Subdivision East

Opelousas · 2 mi away

0.08 MGD

0.27 MGD

Town Of Sunset Water System

Sunset · 7 mi away

—

Town Of Washington Water System

Washington · 7 mi away

0.07 MGD

Town Of Leonville WWTP

Arnaudville · 8 mi away

0.06 MGD

Port Barre, Town Of

Port Barre · 8 mi away

—

Town Of Church Point

Church Point · 10 mi away

0.15 MGD

Opelousas, City Of- Candy Street 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 12, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms


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