Colfax, LA · Grant County · Publicly Owned Treatment Works
Colfax Wastewater Treatment Facility is a publicly owned wastewater treatment works in Colfax, Grant County, Louisiana treating an average of 0.21 million gallons per day against a permitted design capacity of 0.68 MGD, serving about 1,637 residents. Treatment on site includes clarifiers, aerated lagoons, carrousels / oxidation ditches. It discharges under NPDES permit LA0033456 (administratively continued), which expires in July 2026, with 59 recorded violations in the last three years.
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
1 verified contact for Colfax 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 Colfax Wastewater Treatment Facility, plus the full compliance history and discharge data.
Boyce · 9 mi away
0.11 MGD
Dry Prong · 11 mi away
0.05 MGD
Pineville · 14 mi away
0.02 MGD
Montgomery · 16 mi away
0.02 MGD
Alexandria · 18 mi away
0.04 MGD
Alexandria · 19 mi away
0.04 MGD
Pineville · 20 mi away
0.26 MGD
Pineville · 20 mi away
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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 May 19, 2025.