Option

Limit impervious surfaces through standards and incentives

Details

Focus of action
Standards
Option

Limit impervious surfaces through standards and incentives

Focus of action
Standards

Examples from plans

This option appears in resilience plans from around the country.

Option from plan Hazards Sort descending Assets Region Source Plan
Encourage and incentivize the use of pervious landscaped surfaces in new and existing development. Pervious, or permeable, surfaces help manage stormwater on-site and absorb less heat than impervious DroughtExtreme HeatFlooding – General Urban Landscape and Tree CanopyProperty Southwest Statewide Summary Report: California's Fourth Climate Change Assessment
Require and incentivize pervious materials in new construction/maintenance to ensure aquifers are restored during rain events, as opposed to generating runoff due to hard stormwater infrastructure. Drought Property Southeast Triangle Region, NC Regional Resilience Assessment (p. 210 (pdf p. 222))
Set a limit on the percent of impervious surface — area covered by impenetrable materials such as asphalt, concrete and rooftops — allowed on new construction and redevelopment on residential, commercial Extreme HeatFlooding – GeneralFlooding – Rainfall-induced Urban Landscape and Tree CanopyProperty Southeast Planning for Climate Resilience—City of Asheville, North Carolina (p. 116)
Encourage the use of vegetation and pervious surfaces in urban landscaping requirements. Flooding – General Multiple or All Assets Northeast City of Baltimore Disaster Preparedness and Planning Project (p. 155)
Establish policies for building rehabilitation programs that limit the percentage of impervious surface — areas covered by impenetrable materials such as asphalt, concrete and rooftops — within developed Flooding – General Property National HUD Community Resilience Toolkit (p. 15)
Provide incentives (density bonuses, permitting fees, faster review process, etc.) to developers to reduce impervious surfaces beyond riparian buffer rules and leave riparian areas in place. Flooding – GeneralFlooding – Rainfall-induced PropertyWater Infrastructure – Stormwater Southeast Triangle Region, NC Regional Resilience Assessment (p. 207 (pdf p. 219))
Limit/control amount of impervious surfaces Max. infiltration (look at zoning regulation if can't add to stormwater ordinance) Flooding – Rainfall-induced Water Infrastructure – Stormwater Southeast Planning for Climate Resilience—City of Asheville, North Carolina (p. 115)
Zoning regulations become more restrictive (impervious areas) Flooding – Rainfall-induced Property Southeast Planning for Climate Resilience—City of Asheville, North Carolina (p. 116)
Create metrics for all new development that emphasize resilience through open and green space. Multiple or All Hazards Natural Areas and WildlifeProperty Midwest Cleveland Climate Action Plan