Denham Springs Wastewater Treatment Facility
Denham Springs, LA · Livingston County · Publicly Owned Treatment Works
- Average flow
- 2.39 MGD
- Design flow
- —
- NPDES permit
- LAL045730
- Effective
- Permit expires
- December 2030
- Population served
- 12,631
- CWNS 2022
Denham Springs Wastewater Treatment Facility is a publicly owned wastewater treatment works in Denham Springs, Livingston County, Louisiana treating an average of 2.39 million gallons per day, serving about 12,631 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit LAL045730 (effective), which expires in December 2030, with 207 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 207
- Effluent violations
- 189
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Denham Springs 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 Denham Springs Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Denham Springs · 2 mi away
0.26 MGD
Livingston · 8 mi away
0.1 MGD
Gonzales · 12 mi away
0.02 MGD
Denham Springs · 12 mi away
0.5 MGD
Baton Rouge · 14 mi away
33 MGD
Saint Gabriel · 16 mi away
0.09 MGD
Sunshine · 16 mi away
0.12 MGD
Port Allen · 17 mi away
0.4 MGD
Denham Springs 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 June 25, 2025.