Cost So Far
$3.9M
Money already spent on the evaluation and cleanup of hazardous sites.
Expected Additional Cost
$5.64M
The estimated amount of money needed for evaluation and cleanup of hazardous sites at this installation.
Expected Completion Date
2029
The date by which the DOD estimates cleanup of all sites will be complete. Long term monitoring may continue after this date.
Fort McDowell is located approximately 4 nautical miles north of San Francisco and 1 nautical mile southeast of the Tiburon Peninsula in Marin and San Francisco counties, California. The coordinates of the site are 37°51'46" North and 122°25'51"... see more » Fort McDowell is located approximately 4 nautical miles north of San Francisco and 1 nautical mile southeast of the Tiburon Peninsula in Marin and San Francisco counties, California. The coordinates of the site are 37°51'46" North and 122°25'51" West (Universal Transverse Mercator Zone 10, 541948 East and 4186783 North). (Source: U.S. Army Corps of Engineers) « see less
4 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.
3 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: 02HTRW
FUEL SPILL INVEST (HAZARDOUS, TOXIC AND RADIOACTIVE WASTE)
Spill Site Area
Cost
$846K
Cost in 2015 plus expected future cost of cleanup
Final Cleanup Action
Sep 2019
This site is under ongoing monitoring until Sep 2021
Contaminated Areas
Soil: High Risk
Contaminants of concern would be Lead, Copper, Mercury, Arsenic, and PCBs. Potential factor to include contact by park visitors and employees.
Contaminants: Arsenic 28.0 mg/kg Mercury (methyl) 460.0 mg/kg Polychlorinated biphenyls (PCBs) 2400.0 mg/kg Lead 3100.0 mg/kg Copper and compounds 16000.0 mg/kg
Surface Water (Human): Medium Risk
Contaminants would include lead. Location of site is Ayala Cove Site.There's a sheenon the bay water that smells bad. Potential contact of contaminants would be by park visitors and employees.
Contaminants: Lead 23.0 ug/L
Site ID: 01CON/HTRW
UNDERGROUND STORAGE TANKS REMOVAL (CONTAINERIZED HAZARDOUS, TOXIC AND RADIOACTIVE WASTE)
Underground Storage Tanks
Cost
$21K
Cost in 2015 plus expected future cost of cleanup
Final Cleanup Action
Sep 2017
Site ID: 03OEW
ARTILLERY COMPLEX - WATER
Medium/Large Caliber
Cost
$4.97M
Cost in 2015 plus expected future cost of cleanup
Final Cleanup Action
Sep 2029
This site is under ongoing monitoring until Sep 2059
1 Inactive Site
Sites where military cleanup actions are complete, according to the DOD. Note that this status does not necessarily mean the site is no longer hazardous, as many of these sites are put under long-term monitoring or other restrictions.
Site ID: 04BD/DR
TANK/BOILER (BD/DR)
Building Demolition/Debris Removal
Cost
Unknown
Final Cleanup Action
Oct 2012
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 »