Information about flood risk and flood … Map of Ely (Cambridgeshire) postcodes and their flood risks. Business owners can purchase flood insurance coverage for their buildings and contents/inventory. Most Ely postcodes are medium flood risk, with some low flood risk … Floodplain Map Displays the Digital Flood Insurance Rate Maps (DFIRMs) for Dorchester County. A map showing Cambridgeshire's susceptibility to flooding has been released by the Government. These coverage areas are determine by the Federal Emergency Management Agency (FEMA). Understanding flood risk in the U.S. has customarily meant looking at FEMA maps, designed to delineate flood risk areas for purposes of requiring those within them seeking a federally … These maps indicate whether properties are in areas of high, moderate or low flood risk. Each postcode is assigned a risk of high, medium, low, or very low, and then plotted on a Ely flood map. ... Cambridge is very 'low risk' when it comes to flooding. Ely Flood Map. Property owners who have a federally backed mortgage, or plan to refinance with a federally backed lender, are required to purchase flood insurance if their home is shown in a high-risk flood area known as a Special Flood … While the town is largely flood risk …