Parcels Susceptible to Flooding in Cambridge

This map shows Cambridge buildings and parcels which are within the FEMA floodway, 100-year and 500-year floodplains, the CCVA estimated 2070 100-year flooding from precipitation (one foot level), and the CCVA estimated 2070 0.2% chance of flooding from storm surge.

Assessed value

This table shows the approximate 2018 assessed value of properties in the five flood zones.

Flood zone Number of Parcels Percent of Parcels Land Value Building Value Total Value Percent of City Total
FEMA Floodway 31 0.2% $191,494,100 $234,128,700 $425,622,800 0.2%
FEMA 100 Year 260 2.0% $1,993,780,700 $2,372,046,300 $4,365,827,000 1.9%
FEMA 500 Year 749 5.7% $3,471,077,300 $3,696,280,500 $7,167,357,800 3.1%
CCVA 2070 1% precip 3,010 23.1% $40,850,668,663 $88,341,484,165 $129,192,152,828 55.4%
CCVA 2070 0.2% storm surge 1,376 10.6% $22,074,337,800 $50,165,350,700 $72,239,688,500 31.0%

Note: All numbers are estimates. Dollar values are assessed values of parcels that may be impacted by flooding. They are not estimates of property damage.

Property locations

Sources

Analysis by Kent Johnson.

Copyright 2018 Kent S Johnson Creative Commons License 2018-05-29