Cincinnati's Metropolitan Sewer District could charge those who own large parking lots, garages and other impervious surfaces for runoff those structures cause, but it's not a done deal yet.

Rainwater runoff comes from roofs, driveways, and parking lots. These and other constructed hard surfaces are called impervious. Impervious surfaces prevent or slow rainwater infiltration ...

Maple trees in urban environments show signs of stress due to the urban heat island effect. Impervious surfaces like pavement retain heat and disrupt water absorption, stressing trees and making ...

In an April 2012, report, consultant Christopher B. Burke Engineering, Ltd., recommended the city consider limiting such impervious surfaces in new construction to 50 percent of the lot area.

Proposed by Mayor Meghan George, the former implements an impervious-surface fee and a tiered water rate that not only modernizes the city’s rate structure by providing a system of proportionate ...

Any lot 7,500 square feet or smaller is limited to 50% impervious surface; lots greater than 7,500 square feet are limited to 4,500 square feet of impervious surface, Woodruff said.

In accordance with the German Sustainability Strategy, new impervious surfaces are to be limited to less than 30 hectares per day nationwide. In order to verify whether this target is met ...