Maryland's Approach to SB 227 and Flooding Management

Tidal Flooding and Sea Level Rise ● Back water (tailwater) conditions Storm drain system surcharge Nuisance flood plans Coast Smart CRAB (Climate Ready Action Boundary) https://dnr.maryland.gov/ccs/coastsmart/Pages/default.aspx Maryland Department of the Environment CRAB: Climate Ready Action Boundary Horizontal I CS-CRAB I I | Newly Inundated FEMA I I Floodplain Limit I I Coast Smart Climate Ready Action Boundary (CS-CRAB) Land Sea Level FEMA 100 year Floodplain 100 year + 3ft Joppa, April 2020 CS-CRAB Elevation = BFE + 3ft FEMA Base Flood Elevation (BFE) Sea Level 3 ft Vertical Extent 17

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