Marionville Water Supply C/o City Hall
Marionville, MO · Lawrence County · Publicly Owned Treatment Works
- Average flow
- 0.31 MGD
- Design flow
- —
- NPDES permit
- MO0023159
- Administratively continued
- Permit expires
- September 2022
- Population served
- 2,633
- CWNS 2022
Marionville Water Supply C/o City Hall is a publicly owned wastewater treatment plant in Marionville, Lawrence County, Missouri treating an average of 0.31 million gallons per day, serving about 2,633 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biological treatment, other, biosolids aerobic digestion, disinfection, uv and other unit processes. It discharges under NPDES permit MO0023159 (administratively continued), which expires in September 2022, with 11 recorded violations in the last three years. Planned upgrades on record: flow equalization, screening.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Carrousels / oxidation ditches
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Biological Treatment, Other
unit processBiosolids Aerobic Digestion
unit processDisinfection, UV
unit processScreening
unit processFlow Equalization
planned upgradeScreening
planned upgradeUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 11
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Marionville Water Supply C/o City Hall, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Marionville Water Supply C/o City Hall, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Missouri
Billings · 5 mi away
0.06 MGD
Aurora · 6 mi away
0.79 MGD
Verona · 9 mi away
0.09 MGD
Crane · 9 mi away
0.04 MGD
Clever · 9 mi away
0.15 MGD
Hurley · 11 mi away
0.13 MGD
Mount Vernon · 11 mi away
0.59 MGD
Republic · 12 mi away
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Marionville Water Supply C/o City Hall: 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 August 11, 2026.