Stormwater management is shifting from systems that rapidly collect and discharge stormwater to nearby waterways towards more sustainable methods. These newer strategies aim to reduce contaminant load and the volume of runoff by incorporating stormwater treatment into the design of urban landscapes. The re-design of street tree rootzone environments is an option for incorporating stormwater treatment measures into streetscapes, where space is limited. This article details the performance of a pilot scale street tree bioretention system in reducing nitrogen loads in urban stormwater.

Further Reading:

Are Street Trees and Their Soils an Effective Stormwater Treatment Measure?