Infrastructure Archives

Community Water System Fluoridation

In Data News, 2025-07-11

This layer displays fluoridation data generated from the Water Fluoridation Reporting System (WFRS) as reported to the CDC. State level statistics include data from the biennial report originally published at https://www.cdc.gov/fluoridation/php/statistics/. State and county data include percentage of people, number of people, and number of water systems receiving fluoridated water. County level data is not displayed for all states. Participation in sharing county level data is voluntary and state programs determine if data will be shown.

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National Walkability Index

In Data News, 2021-08-25

The National Walkability Index is a nationwide geographic data resource that ranks block groups according to their relative walkability. The national dataset includes walkability scores for all block groups as well as the underlying attributes that are used to rank the block groups.

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Pedestrian-Oriented Road Network Density

In Data News, 2013-11-07

Layers display information about pedestrian-oriented road network densities at the census block group level. Data is from the 2013 Environmental Protection Agency (EPA) Smart Location Database (SLD).

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Public Transit Stops and Stations

In Data News, 2013-11-07

This layer displays the locations of transit stops and stations. Data was acquired from the US Environmental Protection Agency (EPA) and is available for the 200+ metro areas.

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