Cumberland WWTP
Cumberland, IN · Marion County · Publicly Owned Treatment Works
- Average flow
- 0.75 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- IN0021300
- Effective
- Permit expires
- March 2027
- Population served
- 5,954
- CWNS 2022
Cumberland WWTP is a publicly owned wastewater treatment works in Cumberland, Marion County, Indiana treating an average of 0.75 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 5,954 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit IN0021300 (effective), which expires in March 2027, with 6 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 6
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Cumberland WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Cumberland WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
New Palestine · 4 mi away
0.12 MGD
New Palestine · 5 mi away
0.3 MGD
Mccordsville · 9 mi away
0.7 MGD
Greenfield · 10 mi away
2.7 MGD
Fortville · 12 mi away
0.32 MGD
Fishers · 13 mi away
6.9 MGD
Indianapolis · 13 mi away
83.83 MGD
Indianapolis · 14 mi away
7.22 MGD
Cumberland WWTP: 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 April 23, 2025.