9300 Forrest Delatte Road, Denham Springs, LA 70726 · Livingston County · Publicly Owned Treatment Works
Denham Springs Wastewater Treatment Facility is a publicly owned wastewater treatment works in Denham Springs, Livingston County, Louisiana treating an average of 2.67 million gallons per day, serving about 12,631 residents. It discharges under NPDES permit LAL045730 (effective), which expires in December 2030, with 193 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in April 2017.
3 treatment structures and unit processes identified at Denham Springs Wastewater Treatment Facility.
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See the full treatment train at Denham Springs Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Denham Springs Wastewater Treatment Facility in EPA's ICIS system.
Latest case · Apr 2017
Denham Springs, City of
Administrative order · CWA, Sewage Sludge Disposal · Unilateral Administrative Order Without Adjudication · Compliance actions $200
Source: EPA ECHO, civil enforcement case 06-2015-1824.
Full case history with a free Klarifi account
Every action against Denham Springs Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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.
Denham Springs · 2 mi away
0.37 MGD
Livingston · 8 mi away
0.23 MGD
Gonzales · 12 mi away
0.04 MGD
Denham Springs · 13 mi away
0.69 MGD
Baton Rouge · 14 mi away
41.82 MGD
Saint Gabriel · 16 mi away
0.09 MGD
Sunshine · 16 mi away
0.11 MGD
Port Allen · 17 mi away
0.74 MGD
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 September 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms