Assessment of Rainwater Management Source Controls

Description:The presentation features the results of two studies and field tests conducted by the City of Coquitlam to test the effectiveness of rainwater management source controls. The study was initiated to address concerns regarding the performance of infiltration trenches and other source controls in areas with wet climates, steep slopes and poor soil infiltration. Flow monitors were installed at two identical townhome sites which each had on site infiltration trenches. One trench was plugged and the other left functioning and flow data was collected for one year. When compared, the results show that the infiltration trench site performed better than the control site and was able to achieve the DFO targets for both volume reduction and water quality. An additional study was conducted at another location to test the effectiveness of a bioswale on water quality treatment. The results demonstrated a 90% decrease in road runoff pollutants.

Authors: Melony Burton

Subjects:

Tags:2014 Annual Conference,AC14,AC2014

Citation:Stream F. 6.3.

Publication Date:May 6th, 2014 Upload Date:Jun 30th, 2014

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