Option

Evaluate stormwater system capacity, standards, and improvement needs

Option

Evaluate stormwater system capacity, standards, and improvement needs

Examples from plans

This option appears in resilience plans from around the country.

Option from plan Hazards Sort descending Assets Region Source Plan
Review the capacity of existing drainage structures to understand their ability to manage increased precipitation projections. Identify the likelihood and consequences of impacts to this infrastructure Flooding – CoastalFlooding – GeneralFlooding – Rainfall-induced Water Infrastructure – GeneralWater Infrastructure – Stormwater Northwest City of Seattle, WA: Preparing for a Changing Climate (p. 25–26)
Use local climate projection data to understand the risk of failing culverts in future years. Weigh the economic, societal and environmental costs against the benefits of installing new culverts. Flooding – GeneralFlooding – Rainfall-induced Transportation and Mobility National
Hire a stormwater program consultant to assess the jurisdiction's stormwater plan. Flooding – GeneralFlooding – Rainfall-induced Water Infrastructure – Stormwater Southeast Charleston, South Carolina - All Hazards Vulnerability & Risk Assessment (p. 189)
Study water system to identify manmade obstructions in water flow. Intersections, such as railway crossings and roadways, can create choke points in drainage Flooding – General Aquatic and Marine ResourcesNatural Areas and WildlifeWater Infrastructure – Stormwater Southern Great Plains Resilient Houston (p. 102 (pdf p. 104))
Update the Intensity, Duration and Frequency (IDF) curves used by stormwater infrastructure designers to inform the sizing of new capital improvements based on latest precipitation data. Flooding – General Water Infrastructure – Stormwater Northwest City of Seattle, WA: Preparing for a Changing Climate (p. 26 (pdf p. 52))
Review Level of Service (LOS) standards for stormwater across the region by doing a comparison of design standards. For example, low LOS standards upstream can negatively affect a neighboring jurisdiction Flooding – GeneralFlooding – Rainfall-induced Water Infrastructure – Stormwater Southeast Triangle Region, NC Regional Resilience Assessment (p. 180 (pdf p. 192))
Undertake a comprehensive evaluation of stormwater improvements necessary to expand surface water storage, enhance water quality treatment and reduce stormwater discharges. Water QualityDroughtFlooding – General Water Infrastructure – Stormwater Southeast Southeast Florida Compact Regional Climate Action Plan - Energy and Fuel