Environment Data Sets Questions? Get in touch National Flood Insurance Program Coverage Premium National Flood Insurance Program Coverage Premium A cleaned, analysis-ready look at participation in the National Flood Insurance Program across more than 18,000 communities. Provided in collaboration with Associated Press Learn more Source FEMA Dates 2012, 2017, and 1978-2017 Learn more U.S. Freeze Seasons, 1917-2017 Premium U.S. Freeze Seasons, 1917-2017 Premium The dates of the first fall freeze and last spring freeze for 700 locations across the United States. Provided in collaboration with Associated Press Learn more Source National Oceanic and Atmospheric Administration Dates 1917-2017 Learn more Defense Environmental Restoration Program Sites Premium Defense Environmental Restoration Program Sites Premium Data on all cleanup efforts administered by the Department of Defense at current and former military locations as of 2015. Learn more Source Department of Defense Dates Site data as of 2015 Learn more Harris County Flood Control District Buyout Data Free Harris County Flood Control District Buyout Data Free Property buyouts in Harris County made by the Harris County Flood Control District between 1985 and 2017. Learn more Source Harris County Flood Control District Dates 1985-2017 Learn more
