Port Allen Water System
123 South Fourteenth Street, Port Allen, LA 70767 · West Baton Rouge County · Publicly Owned Treatment Works
- Average flow
- 0.74 MGD
- Design flow
- 1 MGD
- NPDES permit
- LA0020541
- Effective
- Permit expires
- May 2031
- Population served
- 6,566
- CWNS 2022
Port Allen Water System is a publicly owned wastewater treatment plant in Port Allen, West Baton Rouge County, Louisiana treating an average of 0.74 million gallons per day against a permitted design capacity of 1 MGD, serving about 6,566 residents. It discharges under NPDES permit LA0020541 (effective), which expires in May 2031, with 23 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in May 1999.
Treatment technology
Treatment structures and unit processes at Port Allen Water System.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 23
- Effluent violations
- 17
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 Port Allen Water System in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- EPA inspections
- 0
- none on record
Latest case · May 1999
PORT ALLEN, CITY OF
Administrative order · CWA, NPDES Discharge without a Permit · Unilateral Administrative Order Without Adjudication
Source: EPA ECHO, civil enforcement case 06-1998-0046.
1 informal enforcement action (notices of violation and similar).
Full case history with a free Klarifi account
Every action against Port Allen Water System with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Port Allen Water System.
No verified contacts on file yet
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Nearby wastewater treatment plants in Louisiana
Port Allen · 2 mi away
0.02 MGD
Brusly · 5 mi away
0.34 MGD
Scotlandville · 6 mi away
20.18 MGD
Addis · 7 mi away
—
Baton Rouge · 8 mi away
41.82 MGD
Plaquemine · 11 mi away
0.24 MGD
Sunshine · 13 mi away
0.11 MGD
Port Allen · 13 mi away
0.000000093 MGD
Port Allen Water System: 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 July 18, 2023.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms