Reports & Studies

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Annual Stormwater Report

The City of Ankeny has a NPDES (National Pollutant Discharge Elimination System) permit for the discharge of stormwater into our local waterbodies. 

In accordance with the permit, the City submits an annual report to the Iowa Department of Natural Resources detailing activities for the previous fiscal year. 

To review the annual report from Fiscal Year 2019 (July 1, 2018-June 30, 2019), click the report below.


2015 Public Stormwater Detention Basin Study

The 2015 Public Stormwater Detention Basin Study was completed by consultants.  The study included 38 public stormwater detention basins that are owned by the City.  The report and its findings were formally accepted by the City Council on April 4, 2016. 

The purpose of the study was to understand and summarize the conditions of Ankeny's stormwater detention basins and to recommend capital improvements and/or changes in their management so that they will better serve the needs of the City and its residents.

View the 2015 Public Stormwater Detention Basin Study.