Washington County Code to Establish Landscape Design Standards

This rule establishes the minimum landscaping requirements around buildings and in parking and loading areas, outdoor recreational use areas, and vegetated stormwater facilities. (1) Section 407-1.6 provides that minimum landscape areas may be reduced by up to 20% for structures which incorporate vegetated roofs, or other low-impact features designed to reduce storm water runoff; or required driveways or off-street parking areas are designed and constructed to reduce stormwater runoff rates and volumes through the use of pervious materials and/or other on-site stormwater management techniques. (2) Section 407-2 Standards for Landscape Materials – in order to reduce water usage, developments are encouraged to use native trees and plant materials; developments are also encourage to use pervious materials and compost amended soils to reduce storm water runoff.