Crowley WWTP
Crowley, LA · Acadia County · Publicly Owned Treatment Works
- Average flow
- 1.1 MGD
- Design flow
- 3.5 MGD
- NPDES permit
- LA0041254
- Effective
- Permit expires
- October 2030
- Population served
- 14,898
- CWNS 2022
Crowley WWTP is a publicly owned wastewater treatment works in Crowley, Acadia County, Louisiana treating an average of 1.1 million gallons per day against a permitted design capacity of 3.5 MGD, serving about 14,898 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit LA0041254 (effective), which expires in October 2030, with 43 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
- 43
- Effluent violations
- 32
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Crowley WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Crowley WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Estherwood · 4 mi away
0.0008 MGD
Iota · 9 mi away
0.18 MGD
Morse · 10 mi away
0.06 MGD
Mermentau · 11 mi away
0.06 MGD
Duson · 13 mi away
0.02 MGD
Jennings · 14 mi away
1.61 MGD
Church Point · 17 mi away
0.25 MGD
Maurice · 18 mi away
0.11 MGD
Crowley 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 16, 2025.