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City of Cascade

Municipal Utilities


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City of Cascade Public Works Sewer Department

The City of Cascade provides wastewater collection and treatment for residents and businesses with an underground sanitary sewer collection system and a mechanical wastewater treatment plant. The collection system consists of 120 manholes, 9 miles of gravity flow sewer line, and 3 lift stations. The wastewater treatment plant is licensed and monitored by the Iowa Department of Natural Resources via a NPDES permit. The treatment plant consists of a head-end lift station, aerated grit collector, two primary clarifiers, an aerobic digester, two rotating biological contractors, a trickling filter, two final clarifiers, final contact tank, a sludge holding tank, and sludge drying beds. The treatment plant is designed to treat 250,000 gallons per day. The average daily flow is 190,000 gallons.


Cascade Sewer Rates Table

Monthly Account Charge - $19.00 per month

Per 1000 Gallon Charge - $11.83 per 1000 gallons

Occasional Sewerage Sales (Septic Tank Pumping) - $72.73 per 1000 gallons