Monroeville WWTP
Monroeville, IN · Allen County · Publicly Owned Treatment Works
- Average flow
- 0.001 MGD
- Design flow
- 0.23 MGD
- NPDES permit
- IN0021423
- Effective
- Permit expires
- February 2031
- Population served
- 1,294
- CWNS 2022
Monroeville WWTP is a publicly owned wastewater treatment works in Monroeville, Allen County, Indiana treating an average of 0.001 million gallons per day against a permitted design capacity of 0.23 MGD, serving about 1,294 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit IN0021423 (effective), which expires in February 2031, with 4 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
- 4
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Monroeville WWTP.
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Monroeville 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 November 7, 2025.