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Environmental Epidemiology


Gold King Mine
Stericycle and South Davis County






Harmful Algal Blooms
Red Butte Creek Oil Spill






Wood Smoke and Your Health
Wood Smoke and Your Health






TriCounty Adverse Birth Outcomes Study
Fish Advisories






Document Archive



The Utah APPLETREE team, in cooperation with the Agency for Toxic Substances and Disease Registry (ATSDR), is responsible for addressing environmental health issues concerning hazardous waste sites in Utah. These responsibilities include public health assessments, health consultations, exposure investigations, and health education.

We Provide

  • Independent, objective health decisions based upon the best available science and data
  • Health education to minimize exposure
  • Recommendations to EPAUDEQ, local health departments, and other regulatory agencies for further action












August 24, 2015 - Red Butte Creek Cancer Incidence Statistical Review (Five-Year Update): The Utah APPLETREE has completed a statistical review of cancer incidence in the neighborhoods surrounding Red Butte Creek in Salt Lake City, UT. This study provides a five-year update to the cancer review completed immediately following the 2010 oil spill into the creek. Of the 42 cancer types evaluated, only the incidence of ovarian cancer during the last time period (2008 - 2012) was meaningfully elevated when compared to the rest of the state. As that was the final analytical period, it may represent an emerging cluster. However, exposure to crude oil or its components is not known to be a risk factor for ovarian cancer. Click HERE to learn more.

August 20, 2015 - Gold King Mine Release: The Utah APPLETREE program has created a website with the human health evaluations completed by the program for the San Juan River following the release of contaminanted water from the Gold King Mine in Colorado.

August 17, 2015 - Harmful Algal Blooms: The Utah APPLETREE program has created a website to assist local health departments and the public in identifying and reporting harmful algal blooms (HABs). Harmful algal blooms are formed by large quantities of blue-green algae, and can be harmful to people, pets, and livestock due to the production of toxins.

February 2, 2015 - Woodsmoke and Health: A new webpage on wood smoke and your health has been added to the UtahAir website. Visit to learn more about the chemicals in wood smoke, sources wood smoke, its contribution to local air pollution, the effects it can have on your health, and how to reduce the sources of wood smoke as well as your exposure. Click HERE to learn more.