Ferriday Wastewater Treatment Facility
Hwy 15 & Poole Road, Ferriday, LA 71334 · Concordia County · Publicly Owned Treatment Works
- Average flow
- 0.23 MGD
- 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 treating an average of 0.23 million gallons per day against a permitted design capacity of 0.8 MGD, serving about 4,207 residents. It discharges under NPDES permit LA0020630 (effective), which expires in September 2030, with 418 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Ferriday Wastewater Treatment Facility.
Available with a free Klarifi account
See the full treatment train at Ferriday Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 418
- Effluent violations
- 40
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.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Ferriday Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Ridgecrest · 3 mi away
0.1 MGD
Clayton · 7 mi away
0.04 MGD
Vidalia · 7 mi away
0.36 MGD
Jonesville · 14 mi away
0.11 MGD
Sicily Island · 18 mi away
0.02 MGD
Waterproof · 18 mi away
0.0084 MGD
Harrisonburg · 18 mi away
0.0032 MGD
Wisner · 25 mi away
0.0043 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 October 26, 2026; facility record last updated August 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms