Maryland's Approach to SB 227 and Flooding Management

Projected Atlas 14 Change Factors* (%) Maryland Department of the Environment 1.09 1.11 1.08 1.14 1.13 1.13 1.11 1.12 1.09 1.10 1.09 1.08 1.10 1.09 Minimum: 1.07% Average: 1.10% 1.08 1.07 Maximum: 1.14% 1.08 1.09 1.08 Based on these projections, the ESD volume also should increase by 10%, or 3.0 inches (0.25 feet) 1.09 1.09 1.11 1.10 *Based on the Marisa “Projected Intensity-Duration-Frequency (IDF) Curve Data Tool for the Chesapeake Bay Watershed and Virginia" 17 47

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