A New Strategy For Stormwater Management

Coralville’s ambitious stormwater program uses green infrastructure to filter pollutants and reduce runoff and protect waterways.
A New Strategy For Stormwater Management
The Coralville Flood Protection System along the Iowa River was completed in 2014. The former power plant in the background is now the Iowa River Power Restaurant.

Heavy rainfall in 2008 inundated the Coralville, Iowa, area. Six inches of rain fell on already saturated ground over a 48-hour period in June. It wasn’t the wettest year on record, but 2008 brought too much rain over too short a time. Damages and property loss were widespread and unprecedented.

“We’re downstream of a U.S. Army Corps of Engineers flood control reservoir on a large watershed and adjacent to the Iowa River,” says Dan Holderness, city engineer. “In most...

Please login or register to view I&I articles. It's free, fast and easy!


Discussion

Comments on this site are submitted by users and are not endorsed by nor do they reflect the views or opinions of COLE Publishing, Inc. Comments are moderated before being posted.