Green Roof Stormwater Runoff

Stormwater runoff that comes from downspouts rushes onto roads picking up copper from brake pads fuel and chemicals.

Green roof stormwater runoff.

Green roofs can significantly reduce the amount of rain water that would otherwise run off an impervious roof surface. Therefore green roofs have an important role to play in the urban realm. Due to the volume reduction actual nutrient loadings from. Green roof runoff does contain concentrations of some nutrients and other parameters but values are in line with other planted systems.

Green roofs can help to reduce both storm water volume rate of run off entering the drainage system. Green roofs are very effective stormwater bmps. Their major drawback is the initial cost. They capture water when it rains slowly releasing it through evaporation and plant use.

Green roofs aim to help eliminate excess stormwater.