Post Construction Project

When a property goes over 24% impervious surface, a post construction stormwater device is required to be built to control runoff, flooding, and to improve water quality. Landscape and aesthetic value is important to a stormwater device, but it is secondary to the other objectives listed previously. Impervious surface is manly artificial structures-such as pavements (roads, sidewalks, driveways, and parking lots) that are covered by water-resistant materials such as asphalt, concrete, brick, stone, and rooftops. Gravel is considered impervious if used for vehicle traffic.

Below we will go over some of the stormwater devices allowed in Trinity.