An on-site stormwater detention (OSD) provides temporary storage for stormwater that falls to the ground and gradually releases the stored water into the development’s drainage network, which reduces the likelihood of flooding downstream, especially during heavy rainfall events.
A blue roof is a roofing system designed to provide temporary storage for stormwater that falls onto the roof and gradually release the stored water into the development’s drainage network after the storm event has passed. It is typically installed on flat roofs as a stormwater management measure to mitigate the increasingly intense precipitation consequences of climate change.
