Coldwater Township is one of sixteen townships in Butler County, Iowa, United States.

[3] Coldwater Township covers an area of 36.23 square miles (93.8 km2) and contains one incorporated settlement, Greene.

According to the USGS, it contains seven cemeteries: Brethren, Hardemen, Haselroad, Rose Hill, Saint Marys Catholic, South Vilmar and Wilmar.

This article about the geography of Butler County, Iowa is a stub.

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