Ferriday Wastewater Treatment Facility
Ferriday, LA · Concordia County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.8 MGD
- NPDES permit
- LA0020630
- Effective
- Permit expires
- September 2030
- Population served
- 4,207
- CWNS 2022
Ferriday Wastewater Treatment Facility is a publicly owned wastewater treatment works in Ferriday, Concordia County, Louisiana, serving about 4,207 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit LA0020630 (effective), which expires in September 2030, with 424 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 424
- Effluent violations
- 46
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Ferriday Wastewater Treatment Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Ferriday Wastewater Treatment Facility, plus the full compliance history and discharge data.
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Ridgecrest · 3 mi away
0.0083 MGD
Vidalia · 7 mi away
0.28 MGD
Jonesville · 14 mi away
0.64 MGD
Sicily Island · 18 mi away
0.02 MGD
Waterproof · 18 mi away
0.0076 MGD
Harrisonburg · 18 mi away
0.0009 MGD
Wisner · 25 mi away
—
Saint Joseph · 29 mi away
0.19 MGD
Ferriday Wastewater Treatment Facility: 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 August 14, 2026.