Crowley WWTP
412 Conrad Rd, Crowley, LA 70526 · Acadia County · Publicly Owned Treatment Works
- Average flow
- 1.89 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 1.89 million gallons per day against a permitted design capacity of 3.5 MGD, serving about 14,898 residents. It discharges under NPDES permit LA0041254 (effective), which expires in October 2030, with 43 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in October 2024.
Treatment technology
2 treatment structures and unit processes identified at Crowley WWTP.
Available with a free Klarifi account
See the full treatment train at Crowley WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Crowley WWTP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- EPA inspections
- 0
- none on record
Latest case · Oct 2024
City of Crowley WWTF
Administrative order · CWA, NPDES Permit Violations · Final Order Issued
EPA's description of the case:
“Respondent violated the P. promelas WET limit 4x since 3/31/2021”
Source: EPA ECHO, civil enforcement case 06-2024-1828.
Full case history with a free Klarifi account
Every action against Crowley WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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
0.0012 MGD
Iota · 9 mi away
0.16 MGD
Morse · 10 mi away
0.07 MGD
Mermentau · 11 mi away
0.06 MGD
Duson · 13 mi away
0.1 MGD
Jennings · 14 mi away
1.44 MGD
Church Point · 17 mi away
0.15 MGD
Maurice · 18 mi away
0.13 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 October 26, 2026; facility record last updated March 16, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms