What is it about?
Using low-cost aggregate material to treat dry weather flows in stormwater drains.
Featured Image
Photo by christopher lemercier on Unsplash
Why is it important?
To address the surface water quality woes in the rapidly growing and emerging cities. Recently the focus of the state and non-state actors is slowly shifting towards decentralised wastewater management solutions. Many organisations and start-ups have demonstrated the applicability of low cost decentralised green infrastructure in flood control, and treatment of urban runoff in open storm drains (El Hattab and Mijic, 2019).
Perspectives
Stormwater channels are often neglected as a major point of intervention even as they continue to receive domestic and industrial wastewater discharges. Relatively little focus has been placed on the status and importance of urban stormwater channels that serve as critical arteries which link these hydrological systems together. Focusing specifically on storm drains, streams and channels is an important but underexplored facet to the larger urban wastewater challenge in megacities and their peri-urban emerging towns and cities.
Priyanka Jamwal
Ashoka Trust for Research in Ecology and the Environment
Read the Original
This page is a summary of: Assessing local materials for the treatment of wastewater in open drains, Water Science & Technology, March 2019, IWA Publishing,
DOI: 10.2166/wst.2019.105.
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