Lake Arthur, Town Of
Lake Arthur, LA · Jefferson Davis County · Publicly Owned Treatment Works
- Average flow
- 0.48 MGD
- Design flow
- 0.75 MGD
- NPDES permit
- LA0020133
- Effective
- Permit expires
- July 2028
- Population served
- 3,600
- CWNS 2022
Lake Arthur, Town Of is a publicly owned wastewater treatment plant in Lake Arthur, Jefferson Davis County, Louisiana treating an average of 0.48 million gallons per day against a permitted design capacity of 0.75 MGD, serving about 3,600 residents. It discharges under NPDES permit LA0020133 (effective), which expires in July 2028, with 102 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 102
- Effluent violations
- 102
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Lake Arthur, Town Of.
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Nearby wastewater treatment plants in Louisiana
Mermentau · 10 mi away
0.06 MGD
Morse · 11 mi away
0.06 MGD
Jennings · 11 mi away
1.61 MGD
Welsh · 14 mi away
0.2 MGD
Estherwood · 16 mi away
0.0008 MGD
Crowley · 20 mi away
1.1 MGD
Iota · 20 mi away
0.18 MGD
Iowa · 23 mi away
0.65 MGD
Lake Arthur, Town Of: 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 July 18, 2023.