The mean environmental health hazard index of Williamson County, TN was 50 in 2015.

Median Environmental Health Hazard Index

The environmental health hazard exposure index summarizes potential exposure to harmful toxins including carcinogenic, respiratory, and neurological hazards. Values are percentile ranked and range from 0 to 100, with higher values corresponding to less exposure to harmful toxins. Data is computed for U.S. counties by applying summary statistics across all census tracts present in a county and is current as of 2015.

Above charts are based on data from the U.S. Department of Housing and Urban Development | Data Source | ODN Dataset | API - Notes:

1. ODN datasets and APIs are subject to change and may differ in format from the original source data in order to provide a user-friendly experience on this site.

2. To build your own apps using this data, see the ODN Dataset and API links.

3. If you use this derived data in an app, we ask that you provide a link somewhere in your applications to the Open Data Network with a citation that states: "Data for this application was provided by the Open Data Network" where "Open Data Network" links to Where an application has a region specific module, we ask that you add an additional line that states: "Data about REGIONX was provided by the Open Data Network." where REGIONX is an HREF with a name for a geographical region like "Seattle, WA" and the link points to this page URL, e.g.

Health and Environmental Health Datasets Involving Williamson County, TN

  • API

    Eco Devo Stats | Last Updated 2017-02-20T22:12:41.000Z

    A variety of economic indicators, financial indicators and measurements for the overall health of the economy in Franklin.

  • API

    Water Withdrawals by Facility: Beginning 2009 | Last Updated 2017-11-28T23:14:15.000Z

    Data regarding water withdrawals is collected by New York State Department of Environmental Conservation (DEC). The reporting requirements have expanded since collection began in 1990. Data is currently collected in accordance with the requirements of ECL 15-1501. ECL 15-1501 requires a DEC permit and annual usage reporting for all facilities using water for any purpose and having the capacity to withdraw 100,000 gallons or more per day of surface or groundwater. These facilities may or may not be permitted with other agencies that regulate water supplies in New York State. This dataset begins with 2009 data and includes facility name, town, county and withdrawal information.