Addis Wastewater Treatment Plant
8122 South River Road, Addis, LA 70710 · West Baton Rouge County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.17 MGD
- NPDES permit
- LA0089257
- Effective
- Permit expires
- October 2026
- Population served
- 1,228
- CWNS 2022
Addis Wastewater Treatment Plant is a publicly owned wastewater treatment works in Addis, West Baton Rouge County, Louisiana, serving about 1,228 residents. It discharges under NPDES permit LA0089257 (effective), which expires in October 2026, with 31 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Addis Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Addis Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 31
- Effluent violations
- 25
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Addis Wastewater Treatment Plant.
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Nearby wastewater treatment plants in Louisiana
Plaquemine · 4 mi away
0.24 MGD
Brusly · 5 mi away
0.34 MGD
Baton Rouge · 7 mi away
41.82 MGD
Port Allen · 7 mi away
0.74 MGD
Port Allen · 8 mi away
0.02 MGD
Sunshine · 9 mi away
0.11 MGD
Saint Gabriel · 12 mi away
0.17 MGD
Scotlandville · 13 mi away
20.18 MGD
Addis 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 May 19, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms