Ionia WWTP
Ionia, IA · Chickasaw County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
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- NPDES permit
- IA0058777
- Effective
- Permit expires
- February 2031
- Population served
- 340
- CWNS 2022
Ionia WWTP is a publicly owned wastewater treatment works in Ionia, Chickasaw County, Iowa, serving about 340 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit IA0058777 (effective), which expires in February 2031, with 10 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Ionia WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Ionia WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Lewis · 208 mi away
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Sabula · 267 mi away
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Andover · 273 mi away
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Miles · 274 mi away
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Clinton · 275 mi away
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Bellevue · 277 mi away
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Goose Lake · 279 mi away
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Spragueville · 280 mi away
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Ionia 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 January 31, 2025.