South Wastewater Treatment Plant
2850 Gardere Lane, Baton Rouge, LA 70820 · East Baton Rouge County · Publicly Owned Treatment Works
- Average flow
- 41.82 MGD
- Design flow
- 54 MGD
- NPDES permit
- LA0036412
- Effective
- Permit expires
- June 2029
- Population served
- 222,805
- CWNS 2022
South Wastewater Treatment Plant is a publicly owned wastewater treatment works in Baton Rouge, East Baton Rouge County, Louisiana treating an average of 41.82 million gallons per day against a permitted design capacity of 54 MGD, serving about 222,805 residents. It discharges under NPDES permit LA0036412 (effective), which expires in June 2029, with 21 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in July 2025.
Treatment technology
3 treatment structures and unit processes identified at South Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at South Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 21
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for South Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 3
- 0 since FY2020
- EPA inspections
- 1
- latest May 2004
Latest case · Jul 2025
Baton Rouge/Parish of East Baton Rouge
Administrative order · CWA, Violation of Existing AO · Unilateral Administrative Order Without Adjudication
EPA's description of the case:
“Respondent owns/operates a municipal waste water treatment plant located in the city of Baton Rouge, LA. The Administrative Order is issued for violations of the 2001 Consent Decree, modified in…”
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Source: EPA ECHO, civil enforcement case 06-2016-1767.
Full case history with a free Klarifi account
Every action against South Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Capital improvement projects in Baton Rouge
Baton Rouge's capital improvement plan lists 5 water, sewer and wastewater line items worth $10M starting 2025–2025. The largest budgeted items are shown here.
All water and sewer capital projects in Baton Rouge →
| Project | Budget | Years |
|---|---|---|
| Sewer Collection System Investigation and Maintenance Program | $4,000,000 | 2025–2025 |
| Generator Maintenance Program | $2,250,000 | 2025–2025 |
| Emergency Sewer Point-Repair Program | $2,000,000 | 2025–2025 |
| Operations and Maintenance | $1,200,000 | 2025–2025 |
| Odor Control Maintenance Program | $400,000 | 2025–2025 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
29 verified contacts for South Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 29 verified contacts (26 more than shown)
Names, validated emails and direct phone numbers for decision-makers at South Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Sunshine · 4 mi away
0.11 MGD
Addis · 7 mi away
—
Plaquemine · 7 mi away
0.24 MGD
Port Allen · 8 mi away
0.74 MGD
Saint Gabriel · 9 mi away
0.17 MGD
Saint Gabriel · 9 mi away
0.09 MGD
Brusly · 10 mi away
0.34 MGD
Port Allen · 10 mi away
0.02 MGD
South Wastewater Treatment Plant: 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 June 30, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms