Reducing Stormwater Runoff Impacts

U-Tech: Underground Technology Cutting Edge Technical Information for Utility Construction and Rehabilitation
By Aaron Eder, P.E., Kennedy/Jenks Consultants | May 2010 Vol. 65 No. 5

Summary
This innovative engineering project reduced the impact to downstream properties by re-directing existing stormwater runoff from a residential community that has historically experienced flooding and saturated ground conditions each winter during severe storm events, to a new surface infiltration facility (Figure 9). The facility was designed in accordance with underground injection control (UIC) regulations. In exchange for the improvements, PWB received property and a permanent disposal point for draining the 3-million and 7-million gallon reservoirs (recently obtained from the acquisition of the Powell Valley Road Water District). Construction began in the spring of 2009 and was completed in the fall of 2009, before the wet weather season began.

About the author:
Aaron Eder, P.E., is a project manager in the Portland office of Kennedy/Jenks Consultants, one of the west coast’s leading water and wastewater treatment and design firms. He is a licensed professional civil engineer in Oregon and Washington. Eder has been instrumental in Kennedy/Jenks recently being awarded several high-profile projects with the city of The Dalles and the city of Portland Water Bureau. He is currently serving as the project manager for the city of The Dalles’ Terminal Reservoir and Pump Station project. (503) 423-4016