stormwater retention

NYC Department of Environmental Protection Fine Tunes Green Roof Grant Program

NYC Department of Environmental Protection Fine Tunes Green Roof Grant Program

In New York City, an estimated 20 billion gallons of sewage and polluted stormwater runoff flows into the Hudson River and other waterways each year.

South Bend Church Models Smart Rainwater Handling

South Bend Church Models Smart Rainwater Handling

Under mandate from the federal government, the city is spending millions of dollars to separate storm and sanitary sewers with an ultimate goal of sending cleaner water into the St. Joseph River when it rains.

The Effect of Irrigation on Stormwater Management

The Effect of Irrigation on Stormwater Management

The ability of a green roof to retain stormwater depends on many factors including plant species, substrate depth and composition, and the pre-existing moisture present before a given rain event.