Carrollton Water Purification Plant
New Orleans, LA · Orleans County · Publicly Owned Treatment Works
- Average flow
- 3.38 MGD
- Design flow
- —
- NPDES permit
- LA0000086
- Administratively continued
- Permit expires
- June 2025
- Population served
- —
- CWNS 2022
Carrollton Water Purification Plant is a publicly owned wastewater treatment plant in New Orleans, Orleans County, Louisiana treating an average of 3.38 million gallons per day. Treatment on site includes uncovered lagoons, biogas silos. It discharges under NPDES permit LA0000086 (administratively continued), which expires in June 2025, with 53 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 53
- Effluent violations
- 53
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Carrollton Water Purification Plant, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Carrollton Water Purification Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Louisiana
Bridge City · 3 mi away
1.59 MGD
Elmwood · 3 mi away
20.66 MGD
Harahan · 4 mi away
1.17 MGD
Gretna · 5 mi away
1.17 MGD
Marrero · 6 mi away
6.19 MGD
Harvey · 7 mi away
—
Kenner · 7 mi away
0.41 MGD
Chalmette · 9 mi away
3.77 MGD
Carrollton Water Purification 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 September 11, 2026; facility record last updated June 30, 2025.