FORMERLY USED DEFENSE SITE INSTALLATION ID: AZ99799F516700
SCHUK-TOAK A TO G GUN RGE
tohono o'odham indian reservation, Arizona
Cost So Far
$157K
Money already spent on the evaluation and cleanup of hazardous sites.
Expected Additional Cost
$8.03M
The estimated amount of money needed for evaluation and cleanup of hazardous sites at this installation.
Expected Completion Date
2049
The date by which the DOD estimates cleanup of all sites will be complete. Long term monitoring may continue after this date.
The site comprised 34,798.5 acres. The site is located on the Tohono O'odham Indian Reservation (formerly Papago Indian Reservation), in the Schuk Toak District, about 1.5 miles east of the village of Queen's Well. The Army constructed two... see more » The site comprised 34,798.5 acres. The site is located on the Tohono O'odham Indian Reservation (formerly Papago Indian Reservation), in the Schuk Toak District, about 1.5 miles east of the village of Queen's Well. The Army constructed two training areas, each of which consisted of concentric circles formed from white rock and wooden structures. The site is currently owned by the U.S. Department of Interior and is under control of the Tohono O'odham Reservation. The Schuk Toak District of the Tohono O'odham Nation uses the property for cattle grazing. This property is known or suspected to contain military munitions and explosives of concern (e.g., unexploded ordnance) and therefore may present an explosive hazard. (Source: U.S. Army Corps of Engineers) « see less
2 Hazardous Sites
Below are the locations of hazardous sites associated with this military installation, according to the DOD. A site’s contamination may affect a much larger area, including public and private lands and the water supplies beneath them.
High Risk
Medium Risk
Low Risk
Risk Not Evaluated or Not Required
Response Complete
We haven't independently confirmed the location of every site. If you notice a site placed at the incorrect location, please contact us.
Not all sites in the DOD data include location information, so there may be sites listed below that are missing from the map. The risk level of a site refers to a relative risk assessment made by the DOD to prioritize the cleanup of sites.
2 Active Sites
Sites where military cleanup actions are still ongoing. The risk level of a site refers to a relative risk assessment made by the DOD, which prioritizes the cleanup of sites that pose greatest threat to safety, human health, and the environment.
Site ID: 01OEW
TARGET PB-7
Air to Land
Cost
$4.01M
Cost in 2015 plus expected future cost of cleanup
Final Cleanup Action
Sep 2049
This site is under ongoing monitoring until Sep 2078
Contaminated Areas
Soil: Low Risk
Contaminants: Lead 13.0 mg/kg Copper 17.0 mg/kg Zinc 32.0 mg/kg Aluminum 10000.0 mg/kg
Site ID: 02OEW
TARGET PB-8
Air to Land
Cost
$4.01M
Cost in 2015 plus expected future cost of cleanup
Final Cleanup Action
Sep 2049
This site is under ongoing monitoring until Sep 2078
Contaminated Areas
Soil: Low Risk
Contaminants: Lead 16.0 mg/kg Copper 23.0 mg/kg Zinc 31.0 mg/kg Aluminum 14000.0 mg/kg
Update (Dec. 5, 2017): We have changed the source of the installation cost data after being notified by the Department of Defense that they erroneously reported their own cost figures on the DERP website. We are now displaying the costs the department says are the most accurate available, from the Pentagon’s DERP database that we received in a FOIA request.
Note: The risk level of a site refers to a relative risk assessment made by the DOD to prioritize the cleanup of sites.
Data: All data comes from the Defense Environmental Restoration Program and the U.S. Army Corps of Engineers, and will be released soon at the ProPublica Data Store. Read our methodology »