Marengo Municipal WWTP
Industrial Park Rd & Sr 64, Marengo, IN 47140 · Crawford County · Publicly Owned Treatment Works
- Average flow
- 0.28 MGD
- Design flow
- 0.11 MGD
- NPDES permit
- IN0040291
- Effective
- Permit expires
- September 2031
- Population served
- 829
- CWNS 2022
Marengo Municipal WWTP is a publicly owned wastewater treatment works in Marengo, Crawford County, Indiana treating an average of 0.28 million gallons per day against a permitted design capacity of 0.11 MGD, serving about 829 residents. It discharges under NPDES permit IN0040291 (effective), which expires in September 2031, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Marengo Municipal WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Marengo Municipal WWTP.
No verified contacts on file yet
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Marengo Municipal 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 October 26, 2026; facility record last updated September 23, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms