Monroe City WWTP
Monroe City, MO · Marion County · Publicly Owned Treatment Works
- Average flow
- 0.2 MGD
- Design flow
- —
- NPDES permit
- MO0055379
- Administratively continued
- Permit expires
- March 2024
- Population served
- 2,810
- CWNS 2022
Monroe City WWTP is a publicly owned wastewater treatment works in Monroe City, Marion County, Missouri treating an average of 0.2 million gallons per day, serving about 2,810 residents. Treatment on site includes biological treatment, other, biosolids aerobic digestion, screening. It discharges under NPDES permit MO0055379 (administratively continued), which expires in March 2024, with 0 recorded violations in the last three years. Planned upgrades on record: disinfection, uv.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biological Treatment, Other
unit processBiosolids Aerobic Digestion
unit processScreening
unit processDisinfection, UV
planned upgradeUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 0
- 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 Monroe City WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Missouri
Hunnewell · 6 mi away
0.02 MGD
Hannibal · 11 mi away
0.56 MGD
Perry · 15 mi away
0.03 MGD
Center · 15 mi away
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Shelbina · 16 mi away
0.25 MGD
Palmyra · 17 mi away
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New London · 19 mi away
0.07 MGD
Shelbyville · 19 mi away
0.0085 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 September 11, 2026; facility record last updated September 6, 2024.