Back to Map
FORMERLY USED DEFENSE SITE INSTALLATION ID: CA99799F534700

TRABUCO BOMBING RANGE

trabuco canyon, California

Cost So Far

$2.63M

Money already spent on the evaluation and cleanup of hazardous sites.

Expected Additional Cost

$11.7M

The estimated amount of money needed for evaluation and cleanup of hazardous sites at this installation.

Expected Completion Date

2033

The date by which the DOD estimates cleanup of all sites will be complete. Long term monitoring may continue after this date.

The site comprises more than 1800 acres. It is located in Rancho Santa Margarita, Orange County, California. The property is privately owned and is being used as for grazing and farmland. This property is known or suspected to contain military... see more » The site comprises more than 1800 acres. It is located in Rancho Santa Margarita, Orange County, California. The property is privately owned and is being used as for grazing and farmland. 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

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.

1 Active Site

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

BOMBING/ROCKET TARGET

Air to Land

Cost

$11.7M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2033

This site is under ongoing monitoring until Sep 2063

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 »