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Washington Tracking Network (WTN)

The Washington Tracking Network (WTN) is a public website where users can find data and information about environmental health hazards, population characteristics, and health outcomes.

Users can view information on issues such as health disparities and socio-economic determinants of health, as well as detailed data on individual topics such as cancer, drinking water contaminants, or birth outcomes.

WTN lets you explore information and data on health conditions, environmental exposures, and community characteristics where you live, work, and play.

How to Use WTN

Information by Location (IBL)

Explore information about your community and surrounding areas; topics include health disparities, lead exposure risk, and social vulnerabilities to hazards.

Search WTN Data

Sort, export, chart, and map data for environmental and public health measures.

Learn About WTN Topics

Select a topic from the menu on the left hand side of this page to learn more about the topics available and how they affect you and your family. Or, visit our topic page.


What's New to WTN               

  • New Search Tool  - You can now search for data using a keyword search box. This will enable you to easily find the data you are looking for.
  • Parkinson's disease (June 2017) - You can now look up Parkinson's data. Hospitalization rates for state, county and Accountable Communities of Health (ACHs) are now available, as well as Parkinson's related mortality.
  • Diabetes (June 2017) - Diabetes data is now available to view at the county and state level; you can see percentages of adults who report being told they have diabetes.

Contact Us

For information or questions related to the Washington Tracking Network, email

Would you like to receive updates?

Receive updates and information about WTN by joining our WTN Listserv.



National Environmental Public Health Tracking Program

This website is supported by Cooperative Agreement Number U38EH000955 from the Centers for Disease Control and Prevention (CDC), National Environmental Public Health Tacking. Its contents are solely the responsibility of the Department of Health and do not necessarily represent the official views of the CDC.