Contaminated Sites
The Environmental Epidemiology Program works at the request of concerned individuals and organizations to assess and prevent human exposure to contamination. To learn more: Click on a map maker for more information about a site. Search for a site or investigation in the table below.
Document types
- EI: Exposure Investigation
- HC: Health Consultation
- LCH: Letter of Health Consult
- PHA: Public Health Assessment
- SR: Statistical Review
- TA: Technical Assist
NPL: National Priorities List (aka Superfund) status
- Y: Site is on the NPL
- P: Site has been proposed for the NPL
- D: Site was on the NPL, but has been deleted
- N: Site is not on the NPL
| Site or Issue | Type | Year | Contaminants of Concern | Source of Contamination | NPL | County | Link |
|---|---|---|---|---|---|---|---|
| Moab Uranium Tailings Site Cancer Incidence Study | SR | 2018 | Uranium | Past uranium ore processing | N | Grand | Link |
| Monticello Mill: Seep 6 | LHC | 2016 | Uranium | Past uranium and vanadium ore processing | Y | San Juan | Link |
| ATK Promontory | PHA | 2015 | Arsenic; Perchlorates | Testing of solid-fuel rocket motors | N | Box Elder | Link |
| Gold King Mine Release | HCs | 2015 | Aluminum; Arsenic; Barium; Iron; Lead; Manganese; Vanadium; Other heavy metals | Release of contaminated water from an abandoned mine | N | San Juan | Link |
| Red Butte Creek Oil Spill Cancer Incidence Study | SR | 2015 | Crude oil; Polycyclic aromatic hydrocarbons (PAHs); Volatile organic compounds (VOCs) | 2010 crude oil spill into Red Butte Creek | N | Salt Lake | Link |
| Stericycle Incinerator: Dioxins and Heavy Metals in Soil | EI / HC | 2015 | Arsenic; Barium; Cadmium; Chromium; Dioxins; Lead; Mercury; Selenium; Silver | Medical waste incineration | N | Davis | Link |
| Stericycle Incinerator: Follow-up Report for the Soil and Air Exposure Assessments | HC | 2015 | Arsenic; Cadmium; Chromium; Carbon monoxide; Dioxins; Hydrogen chloride gas; Lead; Mercury; Nitrogen oxides; Particulate matter; Sulfur dioxide | Medical waste incineration | N | Davis | Link |
| TriCounty Adverse Birth Outcomes Statistical Review | SR | 2015 | Various | Industrial and mining activities | N | Uintah, Duchesne, & Daggett | Link |
| Monticello Mill and Vicinity Properties | PHA | 2014 | Arsenic; Manganese; Molybdenum; Radon; Selenium; Uranium; Vanadium | Past uranium and vanadium ore processing | Y | San Juan | Link |
| Stericycle Incinerator: Modelled Air Exposures | LHC | 2014 | Cadmium; Carbon monoxide; Dioxins; Hydrogen chloride gas; Mercury; Nitrogen oxides; Particulate matter; Sulfur dioxide | Medical waste incineration | N | Davis | Link |
| Traverse Mountain | HC | 2014 | Thallium | Naturally occurring thallium in groundwater | N | Utah | Link |
| ATK Promontory: Cancer Incidence | SR | 2013 | Arsenic; Perchlorates | Testing of solid-fuel rocket motors | N | Box Elder | Link |
| Stericycle Incinerator: Dioxin Release | TA | 2013 | Dioxins | Medical waste incineration | N | Davis | Link |
| Monticello Mill: Cancer Incidence | SR | 2012 | Arsenic; Radium; Radon; Uranium | Past uranium and vanadium ore processing | Y | San Juan | Link |
| Manning Canyon/Fairfield | PHA | 2011 | Arsenic; Lead; Mercury; Thallium | Past ore processing activities | N | Utah | Link |
| Red Butte Creek Oil Spill | PHA | 2011 | Crude oil; Volatile organic compounds (VOCs) | 2010 crude oil spill into Red Butte Creek | N | Salt Lake | Link |
| Red Butte Creek Oil Spill | HC | 2011 | Polycyclic aromatic hydrocarbons (PAHs) | 2010 crude oil spill into Red Butte Creek | N | Salt Lake | Link |
| Five Points PCE Plume | HC | 2008 | Perchloroethylene (PCE) | Past dry cleaning and industrial activities | Y | Davis | Link |
| Bountiful/Wood's Cross PCE Plume | PHA | 2007 | Perchloroethylene (PCE); Trichloroethylene (TCE); Volatile organic compounds (VOCs) | Past commercial and industrial activities | Y | Davis | Link |
| Monticello Mill: Cancer Incidence | SR | 2007 | Arsenic; Radium; Radon; Uranium | Past uranium and vanadium ore processing | Y | San Juan | Link |
| Monticello Mill: Cancer Incidence | SR | 2006 | Arsenic; Radium; Radon; Uranium | Past uranium and vanadium ore processing | Y | San Juan | Link |
| Davenport and Flagstaff Smelters | PHA | 2005 | Arsenic; Lead | Past ore smelting | Y | Salt Lake | Link |
| Eureka Mills | PHA | 2005 | Antimony; Arsenic; Cadmium; Iron; Lead; Manganese; Mercury; Thallium; Vanadium; Zinc | Past ore mining and processing | Y | Juab | Link |
| Inorganic Arsenic in Fish from the North Fork of the American Fork Canyon (2004) | HC | 2004 | Arsenic | Industrial and mining activities | N | Utah | Link |
| Hill Air Force Base | PHA | 2003 | Volatile organic compounds (VOCs) | On-base industrial processes | Y | Davis; Weber | Link |
| Intermountain Waste Oil Refinery | PHA | 2003 | Volatile organic compounds (VOCs) | Past waste oil handling, refining, and blending | Y | Davis | Link |
| Tooele Army Depot (North Area) | PHA | 2003 | Trichloroethylene (TCE) | Ammunition storage and equipment repair | Y | Tooele | Link |
| International Smelting and Refining | PHA | 2001 | Arsenic; Cadmium; Lead | Past ore mining, processing, and smelting | D | Tooele | Link |
| Jacobs Smelter | PHA | 1999 | Arsenic; Lead | Past ore processing and smelting | Y | Tooele | Link |
| Monticello Mill Tailings and Monticello Radioactively Contaminated Properties | PHA | 1997 | Arsenic; Beryllium; Chromium; Lead; Molybdenum; Nickel; Nitrate; Radium; Radon; Selenium; Thallium; Uranium; Vanadium | Past uranium and vanadium ore processing | Y | San Juan | Link |
| Murray Smelter | PHA | 1997 | Arsenic; Lead | Past ore processing and smelting | P | Salt Lake | Link |
| Kennecott (North Zone) | PHA | 1996 | Arsenic; Lead; Selenium | Ore processing and smelting | P | Salt Lake | Link |
| Kennecott (South Zone) | PHA | 1996 | Arsenic; Lead; Sulfates | Ore mining and processing | P | Salt Lake | Link |
| Midvale Slag | HC | 1993 | Arsenic; Cadmium; Lead | Ore processing and smelting | Y | Salt Lake | Link |
| Petrochem/EKOTEK | PHA | 1993 | Arsenic; Barium; Cadmium; Organic Compounds; PCBs; Pesticides | Hazardous waste handling and disposal | D | Salt Lake | Link |
| Ogden Defense Depot | PHA | 1992 | Arsenic; Barium; Cadmium; Lead; Mercury; Pesticides; Volatile organic compounds (VOCs); Zinc | Hazardous waste handling and disposal | Y | Weber | Link |
| Richardson Flat Tailings | HC | 1990 | Arsenic; Cadmium; Copper; Lead; Mercury; Selenium; Zinc | Past ore processing | P | Summit | Link |
| Portland Cement Company | PHA | 1989 | Arsenic; Cadmium; Chromium; Lead | Past cement kiln dust generation | Y | Salt Lake | Link |
| Sharon Steel | PHA | 1986 | Arsenic; Lead | Past ore processing and smelting | D | Salt Lake | Link |
| Possible Phenol Exposure in a Child | TA | 2018 | Phenol | - | N | All | Link |
| Sous vide Cooking with Plastic Bags | TA | 2018 | Chemicals associated with plastics (BPA, phthalates, etc) | Plastic bags | N | All | Link |
| Health Concerns Regarding Burning Gilsonite | TA | 2017 | Carbon monoxide; Gilsonite; Nitrogen oxides; Polycyclic aromatic hydrocarbons (PAHs); Particulate matter | Gilsonite burning due to a wildfire | N | Uintah | Link |
| Methamphetamine Contamination of a Stolen Recreational Vehicle | TA | 2017 | Methamphetamine; Toxic/corrosive/flammable methamphetamine ingredients | Possible methamphetamine production | N | Weber | Link |
| Ashley Valley Oil Well Produced Water Discharge | LHC | 2016 | Benzene; Heavy metals; Volatile organic compounds (VOCs) | Produced water discharge from an oil well | N | Uintah | Link |
| Use of Methyl Ethyl Ketone Peroxide in an Assisted Living Facility | TA | 2016 | Methyl ethyl ketone peroxide | Non-industrial plastic/fiberglass repair | N | Utah | Link |
| 700 S 1600 E PCE Plume | TA | 2014 | Perchloroethylene (PCE) | Past dry cleaning activities | Y | Salt Lake | Link |
| Radio Frequency Radiation in Alpine, UT | TA | 2014 | Electromagnetic radiation | RF radiation from mobile telephone base stations | N | Utah | Link |
| Cloud seeding with silver iodide | TA | 2013 | Silver | Cloud seeding with silver iodide | N | All | Link |
| Drilling Site Sulfur Smell | TA | 2013 | Hydrogen sulfide; Sulfur dioxide | Petroleum drilling | N | All | Link |
| Mosquito Abatement Pesticides | TA | 2013 | Pesticides | Pesticide application | N | All | Link |
| Willard Bay Diesel Spill | TA | 2013 | Diesel fuel; Hydrocarbons | Diesel fuel pipeline leak | N | Box Elder | Link |
| Benzene in Homes | TA | 2012 | Benzene | Various | N | Cache | Link |
| Epoxy, Grout, and Adhesive Chemicals | TA | 2012 | Various | Occupational exposures | N | All | Link |
| Kennecott Retaining Pond Berm Dust | TA | 2012 | Arsenic; Chromium; Lead; Dust suppressant chemicals | Mine tailings evaporation ponds | N | Salt Lake | Link |
| Cocaine Residue in Homes | TA | 2011 | Cocaine | Past indoor use | N | Salt Lake | Link |
| Dinotefuran Pesticides in Liberty Park | TA | 2011 | Pesticides | Pesticide application | N | Salt Lake | Link |
| Firefighting Foam | TA | 2011 | Fire suppressant chemicals | "Foam Days" in Lehi, UT | N | Utah | Link |
| Hookah Tobacco Smoke | TA | 2011 | Tobacco smoke | Hookahs | N | All | Link |
| Naphthalene Blocks in Restrooms | TA | 2011 | Naphthalene | Storage of naphthalene blocks | N | All | Link |
| Arsenic in Millard County Drinking Water | HC | 2009 | Arsenic | Naturally occurring arsenic in groundwater | N | Millard | Link |
| Indoor Air Quality in Layton | HC | 2009 | 1,2-dichloroethane | Industrial processes at Hill Air Force Base | N | Davis | Link |
| EMF Proximity to Schools | HC | 2008 | Electromagnetic radiation | EMF from mobile phone base stations | N | Salt Lake | Link |
| Air Quality and Noise during Indoor Motorsports Events | TA | 2018 | Carbon monoxide; Nitrogen oxides; Noise | Motor vehicle exhaust | N | All | Link |
| Layton Cancer Incidence | SR | 2007 | Dioxins | Municipal waste incineration | N | Davis | Link |
| Vermiculite Intermountain/Intermountain Products, Inc. | HC | 2007 | Asbestos | Vermiculite ore processing | N | Salt Lake | Link |
| Bauer Dump & Tailings; Blackhawk Resin Co. | PHA | 2006 | Arsenic; Lead | Past manufacturing and ore smelting | N | Tooele | Link |
| Brigham City Sand and Gravel Pits | HC | 2006 | Coarse particulate matter (PM10); Total suspended particulates | Sand, gravel, and asphalt operations | N | Box Elder | Link |
| Cottonwood Heights Cancer Incidence | SR | 2006 | Asphalt production byproducts; dust | Asphalt production and gravel pits | N | Salt Lake | Link |
| Mercury in Fish, 1990 - 2005 | HC | 2006 | Mercury | Mercury in Fish, 1990 - 2005 | N | All | Link |
| Tooele Railroad Spur | HC | 2006 | Arsenic; Copper; Lead; Zinc | Past ore processing and smelting | N | Tooele | Link |
| Contaminants in Fish from Cutler Reservoir | HC | 2005 | Dioxins; Mercury; PCBs; Pesticides; Semivolatile organic compounds (VOCs); Volatile organic compounds (VOCs) | Industrial and agricultural activities | N | Cache | Link |
| Contaminants in Fish from Gunlock Reservoir | HC | 2005 | Dioxins; Mercury; PCBs; Pesticides; Semivolatile organic compounds (VOCs); Volatile organic compounds (VOCs) | Industrial and agricultural activities | N | Washington | Link |
| Contaminants in Fish from Strawberry Reservoir | HC | 2005 | Dioxins; Mercury; PCBs; Pesticides; Semivolatile organic compounds (VOCs); Volatile organic compounds (VOCs) | Industrial and agricultural activities | N | Wasatch | Link |
| Contaminants in Fish from Utah Lake | HC | 2005 | Dioxins; Mercury; PCBs; Pesticides; Semivolatile organic compounds (VOCs); Volatile organic compounds (VOCs) | Industrial and agricultural activities | N | Utah | Link |
| Contaminants in Fish from Yuba Lake | HC | 2005 | Dioxins; Mercury; PCBs; Pesticides; Semivolatile organic compounds (VOCs); Volatile organic compounds (VOCs) | Industrial and agricultural activities | N | Juab; San Pete | Link |
| Valley Asphalt | HC | 2005 | Polycyclic aromatic hydrocarbons (PAHs); Coarse particulate matter (PM10); Volatile organic compounds (VOCs) | Past asphalt production | N | Utah | Link |
| Bountiful/Wood's Cross PCE Plume: Cancer Incidence | SR | 2004 | Perchloroethylene (PCE); Trichloroethylene (TCE); Volatile organic compounds (VOCs) | Past commercial and industrial activities | Y | Davis | Link |
| Contaminants in Fish from Silver Creek | HC | 2004 | Arsenic; Lead | Past ore mining and processing | N | Summit | Link |
| Inorganic Arsenic in Fish from the North Fork of the American Fork Canyon (2003) | HC | 2003 | Arsenic | Industrial and mining activities | N | Utah | Link |
| U.S. Magnesium | HC | 1997 | Chlorine gas; Hydrogen chloride gas | Magnesium smelting and refining | Y | Tooele | Link |
| Rose Park Sludge Pit (Update) | HC | 1993 | Acidic Sludges; Polycyclic aromatic hydrocarbons (PAHs); Sulfur dioxide | Past petroleum refinery waste disposal | D | Salt Lake | Link |
| Utah Power & Light/American Barrel Co. | PHA | 1990 | Cyanide; Lead; Pesticides; Polycyclic aromatic hydrocarbons (PAHs); Volatile organic compounds (VOCs) | Past storage of contaminated barrels | Y | Salt Lake | Link |
| Rose Park Sludge Pit | PHA | 1989 | Acidic Sludges; Polycyclic aromatic hydrocarbons (PAHs); Sulfur dioxide | Past petroleum refinery waste disposal | D | Salt Lake | Link |
| Wasatch Chemical Co. (Lot 6) | PHA | 1988 | Dioxins; Herbicides; Pesticides; Volatile organic compounds (VOCs) | Past chemical production, storage, and packaging | Y | Salt Lake | Link |
| Tibble Fork Reservoir | HC | 2023 | Arsenic; heavy metals | Historic mining operations; sediment release | N | Utah | Link |