Monroe City WWTP
Sr 61 & Cr 1000, Monroe City, IN 47557 · Knox County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.12 MGD
- NPDES permit
- IN0023795
- Effective
- Permit expires
- August 2029
- Population served
- 502
- CWNS 2022
Monroe City WWTP is a publicly owned wastewater treatment works in Monroe City, Knox County, Indiana treating an average of 0.05 million gallons per day against a permitted design capacity of 0.12 MGD, serving about 502 residents. It discharges under NPDES permit IN0023795 (effective), which expires in August 2029, with 2 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Monroe City WWTP.
Available with a free Klarifi account
See the full treatment train at Monroe City WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Monroe City WWTP.
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Nearby wastewater treatment plants in Indiana
Petersburg · 8 mi away
0.46 MGD
Washington · 9 mi away
3.2 MGD
Bicknell · 12 mi away
0.6 MGD
Vincennes · 12 mi away
3.24 MGD
Edwardsport · 15 mi away
0.02 MGD
Winslow · 16 mi away
0.12 MGD
Otwell · 17 mi away
0.11 MGD
Montgomery · 18 mi away
0.13 MGD
Monroe City 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 February 13, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms