Physical Inactivity by County, 2013

Layer displays the estimated percentage of adults who do not participate in any leisure-time physical activity. These figures are multi-year modeled estimates based on survey data from the CDC Behavioral Risk Factor Surveillance System.

Farm to School Participation by School District

This layer displays Farm to School participation based on responses to the 2013 Farm to School Census. Participation data refer primarily to activities occurring during the 2011-12 school year.

Access to SNAP-Authorized Retailers

This layer displays the number and rate of SNAP-authorized retailers in each census tract and county. Locations of retailers are based on the May 15, 2016 USDA directory of SNAP-authorized retailers.

Access to Farmer’s Markets

This layer displays the percentage of each county’s population (or low income population) living near a farmer’s market (defined as within a 3 mile radius in urban areas and a 10 mile radius in urban areas). Data have been updated … Continued

National Hydrography Dataset (Area)

The National Hydrography Dataset (NHD) is used to portray surface water. The NHD represents the drainage network with features such as rivers, streams, canals, lakes, ponds, coastline, etc. The principal components of the NHD are: NHDFlowline: This is the fundamental … Continued

Hydrography – Rivers & Streams

Hydrography depicts surface water, including rivers and streams, lakes and ponds, canals, coastlines, and many other water features. The Hydrography layer combines two data sets: the 2014 National Map Hydrographic Geodatabase (1:1,000,000 scale) for small to medium scales, and the … Continued