Cascade Municipal Utilities WWTP
320 1st Ave W, Cascade, IA 52033 · Dubuque County · Publicly Owned Treatment Works
- Average flow
- 0.19 MGD
- Design flow
- 2.54 MGD
- NPDES permit
- IA0027740
- Effective
- Permit expires
- April 2028
- Population served
- 1,894
- CWNS 2022
Cascade Municipal Utilities WWTP is a publicly owned wastewater treatment works in Cascade, Dubuque County, Iowa treating an average of 0.19 million gallons per day against a permitted design capacity of 2.54 MGD, serving about 1,894 residents. It discharges under NPDES permit IA0027740 (effective), which expires in April 2028, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures and unit processes at Cascade Municipal Utilities WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 1
- 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 Cascade Municipal Utilities WWTP.
No verified contacts on file yet
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Worthington · 9 mi away
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Monticello · 9 mi away
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Bernard · 9 mi away
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Farley · 11 mi away
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Epworth · 11 mi away
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Hopkinton · 12 mi away
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Center Junction · 13 mi away
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Dyersville · 13 mi away
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Cascade Municipal Utilities 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 October 19, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms