Moderate risk areas within the 0.2-percent-annual-chance floodplain, areas of 1-percent-annual-chance flooding where average depths are less than 1 foot, areas of 1-percent-annual-chance flooding where the contributing drainage area is less than 1 square mile, and areas protected from the 1-percent-annual-chance flood by a levee. The Map Service Center has a hotline for specific questions: 1-877-336-2627. 2050 Sea Level Rise; 2100 Sea Level Rise; 2050 Sea Level Rise + Major Storm; Preliminary Massachusetts Flood Maps New and Preliminary Massachusetts Flood Maps provide the public an early look at a home or community’s projected risk to flood hazards. This page is for homeowners who want to understand how their current effective Flood Map may change when the preliminary FEMA maps becomes effective. The city tool is not the first interactive to overlay coastal flooding risk on a Boston map, but it's the first to use localized data from the state's Boston Harbor Flood Risk Model. Sea level rise map. Climate Central. The BPDA Zoning map includes the Sea Level Rise Flood Hazard Area (SLR-FHA) and FEMA Special Flood Hazard Area (SFHA), and also Boston’s historic and landmark districts. A map showing sea level rise scenarios and affected properties and infrastructure in Boston. UNDERSTANDING FLOOD RISKS Use the BPDA Zoning Map to find your flood risk. Flood Factor is a free online tool created by the nonprofit First Street Foundation that makes it easy for Americans to find their property’s past floods, current risks, and future projections based on peer-reviewed research from the world’s leading flood modelers. Flood Risk Reports summarize flood hazard and risk exposure to a community. FEMA engineer Kerry Bogdan says flood zones have changed because of sea level rise and more precise topographical data. This map viewer illustrates the scale of potential coastal flooding after varying amounts of sea level rise. Flood Risk Maps summarize the notable flood risks within the project area and present this data within one large map. To begin, select a flooding scenario. The report findings are “based on CoastalDEM, a … To examine the FEMA flood maps, go to: https://msc.fema.gov/portal. It may help flood risk assessment or flood management. In conjunction with the FIS report, it explains in detail the methodology and results of a Flood Insurance Rate Map. To understand the flood risks for your district, turn on both the SLR-FHA and historic district layers. Users can simulate inundation associated with one to six feet of sea level rise at various scales along the contiguous United States coast, except for the Great Lakes. And, FEMA’s maps now take wave crest levels into account. Flood Risk Report. Flood-resistant construction must be used in at least the 1%-chance floodplain (formerly referred to as the 100-year floodplain.) 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