Ionia WWTF
Ionia, MO · Benton County · Publicly Owned Treatment Works
- Average flow
- 0.0046 MGD
- Design flow
- —
- NPDES permit
- MO0130028
- Expired
- Permit expires
- March 2026
- Population served
- 75
- CWNS 2022
Ionia WWTF is a publicly owned wastewater treatment works in Ionia, Benton County, Missouri treating an average of 0.0046 million gallons per day, serving about 75 residents. Treatment on site includes lagoon, anaerobic. It discharges under NPDES permit MO0130028 (expired), which expires in March 2026, with 139 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Lagoon, Anaerobic
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 139
- 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 Ionia WWTF.
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Green Ridge · 10 mi away
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Windsor · 12 mi away
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Sedalia · 14 mi away
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Sedalia · 15 mi away
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Calhoun · 16 mi away
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Sedalia · 17 mi away
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Warsaw · 17 mi away
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Ionia WWTF: 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 3, 2024.