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AIR FORCE INSTALLATION ID: CA957002474300

MATHER

sacramento, California

Cost So Far

$223M

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

Expected Additional Cost

$115M

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

Expected Completion Date

2059

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

126 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.

Land Controls & Restrictions

Many sites have been declared “clean” by the DOD but are still not safe for people. This military installation is safe only with the following conditions in place: fences, dig permits, signs. see more » environmental covenants dig permits landfill cap fences signs the grantee covenants either to: (a) design and construct any structure intended for human occupancy in a manner that would mitigate unacceptable risk; or (b) evaluate the potential for risk prior to the erection of structure with regard to svi. the grantee will comply with the provisions of any health or safety plan in effect or any hazardous substance remediation or response agreement with environmental regulatory authorities during the course of any response or remedial action. grantee covenants that it will not engage in or allow others to engage in activities that interfere with the effectiveness of any component of the remedial systems used in the remediation of soils on the property or limit access to these systems. grantee covenants that it will not conduct any surface activities that introduce or allow infiltration of water/other fluids into the groundwater, without the written approval of the air force, usepa, and the state. grantee covenants that it will not damage/disturb/tamper with, or allow others to damage/disturb/tamper with, any component of the remedial system. grantee covenants and agrees for itself and its successors and assigns that it will not damage/disturb/tamper with or allow others to damage/disturb/tamper with any component of the remedial systems. prior to any construction on the property within 1,000· feet of the and fill, blueprints and/or other documentation demonstrating compliance with the following requirements of title 27, c.c.r., section 21190(g), shall be submitted for approval. surface application of water (i.e., irrigation) that might result in ponding on the cap or erosion sufficient to degrade the cap. grantee will not disturb equipment or facilities associated with monitoring and maintenance of the landfills or limit access. grantee covenants and agrees for itself and its successors and assigns that it will obtain approval for any change in land use or site improvements within 1,000 feet of sites lf-03 or lf-04. grantee covenants not to conduct any surface activities that introduce or allow infiltration of water/other fluids into the groundwater without the written approval of the air force, usepa), and the state. grantee covenants and agrees for itself and its successors and assigns that it will obtain approval for any change in land use or site improvements within 1,000 feet of wp-07. « see less

11 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: ST037

BUILDING 3389, FIVE ABANDOED UNDERGROUND STORAGE TANKSS

Underground Storage Tanks

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

May 1999

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.031 ug/L n-Butylbenzene 0.052 ug/L Chloroform 0.2 ug/L Trichloroethylene (TCE) 0.2 ug/L Carbon Tetrachloride 2.0 ug/L Carbon Dichloride 4.8 ug/L

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Site ID: OT023

SANITARY SEWER SYSTEM (EAST-WEST LINE)

Waste Lines

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2000

This site is under ongoing monitoring until Oct 2046

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.045 ug/L Benzene 0.054 ug/L 1,2-Dichlorobenzene 0.059 ug/L Benzene, p-dichloro- 0.066 ug/L 1,3-Dichlorobenzene 0.069 ug/L 1-Phenylpropane 0.072 ug/L sec-Butylbenzene 0.079 ug/L Chloroform 0.1 ug/L Chloromethane (methyl chloride) 0.1 ug/L Carbon Dichloride 0.11 ug/L Naphthalene 0.11 ug/L Benzene, methyl- 0.13 ug/L n-Butylbenzene 0.17 ug/L Vinyl Chloride 0.19 ug/L Carbon Tetrachloride 0.3 ug/L Bromomethane 0.4 ug/L Methylene Chloride 0.68 ug/L cis-1,2-Dichloroethylene 1.1 ug/L Trichloroethylene (TCE) 2.4 ug/L

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Site ID: ST039

HAZARDOUS WASTE CENTRAL STORAGE FACILITY

Underground Storage Tanks

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

May 1999

This site is under ongoing monitoring until Sep 2045

Site ID: LF004

NORTHEAST PERIMETER LANDFILL NO. 2

Landfill

Cost

$6.65M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 1998

This site is under ongoing monitoring until Sep 2067

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1-Dichloroethane 0.08 ug/L Chloroform 0.1 ug/L Vinyl Chloride 0.1 ug/L Dichloropropane 0.1 ug/L 1,2-Dichloroethane (EDC) 0.2 ug/L Benzene, chloro- 0.2 ug/L Chloromethane (methyl chloride) 0.2 ug/L Beryllium and compounds 0.34 ug/L Selenium 0.72 ug/L Silver and compounds 0.87 ug/L Ethyl benzene 1.1 ug/L Arsenic 1.2 ug/L Benzene 1.3 ug/L Methylene Chloride 1.7 ug/L Benzene, methyl- 1.8 ug/L 1,2-trans-dichloroethylene 1.9 ug/L Lead 1.9 ug/L Antimony and compounds 2.085 ug/L Vanadium 2.3 ug/L Copper and compounds 3.0 ug/L 1,1,1-Trichloroethane 3.3 ug/L 1,1,2,2-Tetrachloroethane 3.3 ug/L Trichloroethylene (TCE) 7.6 ug/L Cobalt 10.0 ug/L Molybdenum 22.5 ug/L Zinc 23.0 ug/L Chromium 31.0 ug/L Carbon Dichloride 32.0 ug/L cis-1,2-Dichloroethylene 37.5 ug/L Barium 54.0 ug/L Fluoride 110.0 ug/L Aluminum 112.0 ug/L Nickel (Soluble Salts) 240.0 ug/L Manganese and compounds 250.0 ug/L Iron 1200.0 ug/L

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Site ID: SD059

OWS 4251

Oil/Water Separator

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Feb 2000

This site is under ongoing monitoring until Sep 2048

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Chloroform 0.1 ug/L Carbon Tetrachloride 0.2 ug/L Chloromethane (methyl chloride) 0.2 ug/L Methylene Chloride 0.2 ug/L cis-1,2-Dichloroethylene 0.3 ug/L Trichloroethylene (TCE) 0.4 ug/L Benzene, methyl- 1.7 ug/L Carbon Dichloride 4.8 ug/L

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Site ID: SS054

HAZARDOUS WASTE ACCUMULATION POINT 4348

Storage Area

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

May 1999

This site is under ongoing monitoring until Sep 2045

Site ID: WP012

AC&W SITE NPL-12

Disposal Pit and Dry Well

Cost

$1.33M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 1997

This site is under ongoing monitoring until Sep 2021

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Chloroform 0.2 ug/L Chloromethane (methyl chloride) 0.2 ug/L 1,2-trans-dichloroethylene 0.43 ug/L Carbon Dichloride 0.57 ug/L cis-1,2-Dichloroethylene 0.6 ug/L Manganese and compounds 0.92 ug/L Ethyl benzene 1.6 ug/L Benzene, p-dichloro- 1.6 ug/L Benzene, methyl- 2.0 ug/L Copper and compounds 2.1 ug/L 1,1,1-Trichloroethane 4.5 ug/L Trichloroethylene (TCE) 6.1 ug/L Zinc 9.7 ug/L Methylene Chloride 17.0 ug/L Benzene 22.0 ug/L Lead 69.5 ug/L Fluoride 300.0 ug/L Iron 370.0 ug/L

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Site ID: SD057

OWS 7019

Oil/Water Separator

Cost

$48.8M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Mar 1998

This site is under ongoing monitoring until Sep 2088

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,3,5-Trimethylbenzene 0.036 ug/L 1,1-Dichloroethane 0.071 ug/L n-Butylbenzene 0.072 ug/L Chloroform 0.084 ug/L cis-1,2-Dichloroethylene 0.092 ug/L Benzene, p-dichloro- 0.1 ug/L 1,2-Dichloroethane (EDC) 0.1 ug/L Benzene, chloro- 0.1 ug/L Beryllium and compounds 0.1 ug/L Benzene, methyl- 0.11 ug/L 1,3-Dichlorobenzene 0.11 ug/L Bromodichloromethane 0.12 ug/L Hexachlorobutadiene 0.12 ug/L Cobalt 0.13 ug/L Benzene, 1,2,4-trichloro- 0.14 ug/L Chloromethane (methyl chloride) 0.15 ug/L Vinyl Chloride 0.2 ug/L Trichlorofluoromethane 0.2 ug/L 1,1,2-Trichloroethane 0.2 ug/L 1,1-Dichloroethylene 0.24 ug/L Dichloropropane 0.3 ug/L Methylene Chloride 0.4 ug/L Manganese and compounds 0.43 ug/L Bromomethane 0.6 ug/L Selenium 0.6 ug/L 1,2-trans-dichloroethylene 0.62 ug/L Carbon Tetrachloride 0.635 ug/L Benzene 0.7 ug/L Chlorodibromomethane 0.72 ug/L Bromoform 0.9 ug/L Lead 1.2 ug/L Ethyl benzene 1.3 ug/L 1,1,2,2-Tetrachloroethane 1.4 ug/L Antimony and compounds 1.5 ug/L Arsenic 1.5 ug/L Nickel (Soluble Salts) 1.8 ug/L Bis(2-Ethylhexyl)Phthalate 2.4 ug/L Copper and compounds 2.6 ug/L Trichloroethylene (TCE) 3.3 ug/L Chromium 4.0 ug/L Zinc 7.3 ug/L Carbon Dichloride 8.2 ug/L Vanadium 9.5 ug/L Molybdenum 20.6 ug/L Barium 61.0 ug/L Iron 167.0 ug/L Fluoride 200.0 ug/L Aluminum 207.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Ethyl benzene 0.0007 mg/kg o-Xylene 0.0008 mg/kg Benzene, methyl- 0.0017 mg/kg Methylene Chloride 0.0024500000000000004 mg/kg Bromoform 0.0039 mg/kg Carbon Tetrachloride 0.008400000000000001 mg/kg

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Site ID: WP007

7100 AREA DISPOSAL

Contaminated Ground Water

Cost

$11M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Dec 1998

This site is under ongoing monitoring until Sep 2067

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Chloroform 0.1 ug/L 1,1-Dichloroethylene 0.2 ug/L Beryllium and compounds 0.21 ug/L Cobalt 0.26 ug/L 1,2-trans-dichloroethylene 0.27 ug/L Manganese and compounds 0.27 ug/L Chloromethane (methyl chloride) 0.3 ug/L Methylene Chloride 0.3 ug/L Dichloropropane 0.3 ug/L Antimony and compounds 0.31 ug/L 1,1-Dichloroethane 0.4 ug/L 1,2-Dichlorobenzene 0.4 ug/L Cadmium and compounds 0.42 ug/L Selenium 0.42 ug/L Trichlorofluoromethane 0.455 ug/L 1,2-Dichloroethane (EDC) 0.5 ug/L Vinyl Chloride 0.5 ug/L Bromomethane 0.7 ug/L Benzene, p-dichloro- 0.8 ug/L 1,1,1-Trichloroethane 1.0 ug/L Silver and compounds 1.1 ug/L cis-1,2-Dichloroethylene 1.2 ug/L Benzene, methyl- 1.7 ug/L Benzene, chloro- 1.75 ug/L Lead 1.8 ug/L Arsenic 1.8 ug/L Chlorodibromomethane 2.1 ug/L Carbon Dichloride 2.1 ug/L Benzene 2.8 ug/L Copper and compounds 2.9 ug/L Chromium 6.2 ug/L Zinc 7.9 ug/L Nickel (Soluble Salts) 10.0 ug/L Trichloroethylene (TCE) 13.0 ug/L Iron 14.0 ug/L Vanadium 14.0 ug/L Cyanide (free) 25.0 ug/L Barium 87.0 ug/L Fluoride 150.0 ug/L Aluminum 172.0 ug/L

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Site ID: FR011

EXISTING FIRE PROTECTION TRAINING AREA

Fire/Crash Training Area

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 1998

This site is under ongoing monitoring until Sep 2046

Site ID: FT011P

PFC - FIRE PROTECTION TRAINING AREA - EXISTING

Fire/Crash Training Area

Cost

$15.3M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2021

115 Inactive Sites

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: ST072

BUILDING 3975, TANK 3965

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: XU403

PRACTICE BOMBING (FORMERLY BOMB1)

Unexploded Munitions and Ordnance Area

Cost

Unknown

Final Cleanup Action

Mar 2008

Site ID: ST080

GOLF COURSE DRAINAGE DITCH

Drainage Ditch

Cost

Unknown

Final Cleanup Action

Sep 2006

Site ID: FT009

FIRE DEPARTMENT TRAINING AREA NO. 2

Fire/Crash Training Area

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: MY082

GOLF COURSE MAINTENANCE AREA OF CONCERN

Maintenance Yard

Cost

Unknown

Final Cleanup Action

Sep 1998

Site ID: SD014

DRAINAGE DITCH NO. 2

Storm Drain

Cost

Unknown

Final Cleanup Action

Jun 1996

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.8 ug/L Benzene, methyl- 1.2 ug/L Trichloroethylene (TCE) 2.2 ug/L Lead 4.15 ug/L Methylene Chloride 8.0 ug/L Manganese and compounds 110.0 ug/L Fluoride 200.0 ug/L Iron 260.0 ug/L

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Site ID: SD061

OWS 6905

Oil/Water Separator

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST073

BUILDING 10015, ILS, FACILITY ABANDONED UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: CTU001

10052 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1998

Site ID: CTU004

17760 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Apr 2004

Site ID: CTU014

13025-C MOGAS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Sep 2000

Site ID: CTU024

4225-2 WASTE FUEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jul 1996

Site ID: ST077

TANK 4853

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: WP017

WEAPONS STORAGE SEPTIC TANK

Waste Treatment Plant

Cost

Unknown

Final Cleanup Action

Sep 1998

Site ID: CCB026

4376 AIRCRAFT MAINTENANCE, ACM PRESENT = FLOOR TILE.

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

May 1996

Site ID: CTU007

18015-2 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Feb 2002

Site ID: CTU023

4225-1 WASTE FUEL/ SOLVENT

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1996

Site ID: CCB025

4120 PETROLEUM OPERATIONS, ACM PRESENT = CEILING SHEET ROCK.

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

May 1996

Site ID: CCB027

7040 MAINTENANCE HANGAR, ACM PRESENT = FLOOR TILE.

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

Oct 1996

Site ID: GR405

MATHER LAKE PRACTICE GRENADE LAUNCHER TRAINING RANGE

Grenade Range

Cost

$78K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jan 2011

This site is under ongoing monitoring until Sep 2045

Site ID: CTA028

10402

Above Ground Storage Tank

Cost

Unknown

Final Cleanup Action

Jan 2012

Site ID: CTA029

10403

Above Ground Storage Tank

Cost

Unknown

Final Cleanup Action

Jan 2012

Site ID: CTU025

8195 UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Sep 1998

Site ID: DD085

SOUTH DITCH

Drainage Ditch

Cost

Unknown

Final Cleanup Action

Sep 2006

Site ID: CTA015

7100 FIRE TRAINING FACILITY

Above Ground Storage Tank

Cost

Unknown

Final Cleanup Action

Oct 1996

Site ID: FR086

MILITARY FIRING RANGE

Firing Range

Cost

Unknown

Final Cleanup Action

Jun 1999

This site is under ongoing monitoring until Aug 1999

Site ID: FT008

FIRE DEPARTMENT TRAINING AREA NO. 1

Fire/Crash Training Area

Cost

Unknown

Final Cleanup Action

Sep 1998

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.2 ug/L Ethyl benzene 0.5 ug/L cis-1,2-Dichloroethylene 1.1 ug/L Carbon Dichloride 2.3 ug/L

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Site ID: LF001

RUNWAY OVERRUN LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jul 1995

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1-Dichloroethylene 0.2 ug/L Benzene, methyl- 0.21 ug/L Chloromethane (methyl chloride) 0.3 ug/L Chloroform 0.5 ug/L cis-1,2-Dichloroethylene 0.7 ug/L Ethyl benzene 0.8 ug/L Methylene Chloride 0.9 ug/L Lead 2.0 ug/L Carbon Tetrachloride 8.1 ug/L Trichloroethylene (TCE) 11.0 ug/L Carbon Dichloride 69.0 ug/L

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Site ID: CTU002

10087 MOGAS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jan 2000

Site ID: CTU003

14995 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1996

Site ID: CTU005

10550-1 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 2001

Site ID: CTU006

10550-2 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 2001

Site ID: CTU008

7022-1 MOGAS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1996

Site ID: CTU009

7022-2 JP-4

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1996

Site ID: CTU010

7022-3 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1996

Site ID: CTU012

13025-A MOGAS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Sep 2000

Site ID: CTU013

13025-B MOGAS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Sep 2000

Site ID: CTU016

4587 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jul 1996

Site ID: CTU017

7010 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jul 1996

Site ID: CTU018

7033 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1996

Site ID: CTU019

7039 WASTE OIL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1996

Site ID: CTU020

7100 WASTE POL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Oct 1996

Site ID: CTU021

8150 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1996

Site ID: CTU022

14517 DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1996

Site ID: FT010

FIRE DEPARTMENT TRAINING AREA NO. 3

Fire/Crash Training Area

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 1998

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene 0.4 ug/L Chloroform 0.42 ug/L Carbon Dichloride 0.48 ug/L Benzene, methyl- 0.5 ug/L Ethyl benzene 1.3 ug/L 1,2-Dichloroethane (EDC) 1.7 ug/L Trichloroethylene (TCE) 18.0 ug/L cis-1,2-Dichloroethylene 39.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 3.0e-05 mg/kg 1,1-Dichloroethylene 0.00013333329999999999 mg/kg Chloroform 0.0002 mg/kg Benzene, chloro- 0.00035 mg/kg Ethyl benzene 0.0011 mg/kg o-Xylene 0.00125 mg/kg Benzene 0.0025 mg/kg Methylene Chloride 0.0034333333000000003 mg/kg Benzene, methyl- 0.0037 mg/kg Benzo(def)Phenanthrene 0.097 mg/kg Lead 10.02 mg/kg

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Site ID: OT089

OLD SKEET RANGE

Firing Range

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2006

This site is under ongoing monitoring until Sep 2045

Site ID: LF002

8150 AREA LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Nov 1996

This site is under ongoing monitoring until Dec 1997

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ethyl benzene 0.4 ug/L Benzene, methyl- 0.7 ug/L Methylene Chloride 1.0 ug/L Arsenic 3.5 ug/L Zinc 11.3 ug/L Barium 12.1 ug/L Vanadium 12.3 ug/L Iron 21.2 ug/L Fluoride 130.0 ug/L

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Site ID: LF005

NORTHEAST PERIMETER LANDFILL NO. 3

Landfill

Cost

Unknown

Final Cleanup Action

Jan 1997

This site is under ongoing monitoring until Sep 2006

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.1 ug/L Chloroform 0.1 ug/L Trichloroethylene (TCE) 0.1 ug/L Antimony and compounds 0.16 ug/L Benzene 0.2 ug/L Selenium 0.26 ug/L Dichloropropane 0.5 ug/L Chromium 0.685 ug/L cis-1,2-Dichloroethylene 0.7 ug/L Manganese and compounds 0.77 ug/L Arsenic 0.94 ug/L Silver and compounds 0.99 ug/L Ethyl benzene 1.0 ug/L Cobalt 1.3 ug/L Carbon Dichloride 1.4 ug/L Copper and compounds 1.5 ug/L Lead 1.6 ug/L Zinc 2.3 ug/L Nickel (Soluble Salts) 2.4 ug/L Vanadium 7.0 ug/L Benzene, methyl- 25.0 ug/L Barium 39.5 ug/L Fluoride 105.0 ug/L

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Site ID: LF006

FIRING RANGE LANDFILL

Landfill

Cost

Unknown

Final Cleanup Action

Jan 1997

This site is under ongoing monitoring until Apr 2002

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.06 ug/L Benzene, methyl- 0.3 ug/L Chloroform 0.31 ug/L Trichloroethylene (TCE) 0.5 ug/L Ethyl benzene 0.8 ug/L 1,1,2,2-Tetrachloroethane 0.8 ug/L Methylene Chloride 1.2 ug/L Arsenic 3.6 ug/L Lead 4.3 ug/L Vanadium 16.1 ug/L Molybdenum 18.7 ug/L Zinc 20.2 ug/L Barium 33.4 ug/L Iron 82.6 ug/L Fluoride 160.0 ug/L

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Site ID: OT021

ASPHALT RUBBLE STORAGE

Storm Drain

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: OT022

ASPHALT RUBBLE STORAGE

Storm Drain

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: OT062

OWS 7110 AND JET ENGINE TEST CELL

Oil/Water Separator

Cost

Unknown

Final Cleanup Action

Jun 1997

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Methyl Ethyl Ketone 0.011 mg/kg DDT 0.34 mg/kg DDD 0.34 mg/kg Chlordane 0.36 mg/kg Polychlorinated Biphenyls 6.8 mg/kg Cadmium and compounds 16.2 mg/kg Mercury (Inorganic) 37.0 mg/kg Chromium III 277.0 mg/kg Zinc 625.0 mg/kg Lead 654.0 mg/kg

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Site ID: OT067

SAC AREA SHOP DRAINAGE SYSTEMS

Waste Lines

Cost

Unknown

Final Cleanup Action

Sep 1998

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Chlordane 0.002 mg/kg Polychlorinated Biphenyls 0.324 mg/kg Lead 12100.0 mg/kg

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Site ID: OT069

OPEN BURN/OPEN DETONATION PIT

Burn Area

Cost

Unknown

Final Cleanup Action

Aug 1998

This site is under ongoing monitoring until Sep 2012

Contaminated Areas

Sediment (Human): Risk Not Evaluated

Contaminants: Hexachlorodibenzo-p-dioxin mixture (HxCDD) 7.2e-05 mg/kg Toluene 0.005 mg/kg

Soil: Risk Not Evaluated

Contaminants: Barium 0.00134 mg/kg Methyl Ethyl Ketone 0.014 mg/kg DDD 0.046 mg/kg Hexachlorodibenzo-p-dioxin mixture (HxCDD) 0.0504 mg/kg DDE 0.076 mg/kg DDT 0.3 mg/kg Lead 66.3 mg/kg Zinc 200.0 mg/kg

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Site ID: SD013

DRAINAGE DITCH NO. 1

Contaminated Sediments

Cost

Unknown

Final Cleanup Action

Oct 1997

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Chloroform 0.41 ug/L 1,2-trans-dichloroethylene 0.7 ug/L Ethyl benzene 0.9 ug/L 1,1,2,2-Tetrachloroethane 0.9 ug/L Methylene Chloride 1.3 ug/L Trichloroethylene (TCE) 1.6 ug/L

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Site ID: SD015

DRAINAGE DITCH NO. 3

Storm Drain

Cost

Unknown

Final Cleanup Action

Aug 1999

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Tetrachloride 0.2 ug/L Chloroform 0.25 ug/L Trichloroethylene (TCE) 0.3 ug/L 1,1,1-Trichloroethane 0.52 ug/L Benzene 0.9 ug/L 1,1-Dichloroethylene 1.0 ug/L Benzene, p-dichloro- 1.9 ug/L 1,1-Dichloroethane 2.4 ug/L cis-1,2-Dichloroethylene 2.8 ug/L Carbon Dichloride 4.05 ug/L Manganese and compounds 5.0 ug/L Methylene Chloride 5.0 ug/L Lead 6.35 ug/L Benzene, methyl- 6.7 ug/L Nickel (Soluble Salts) 41.0 ug/L Fluoride 200.0 ug/L Iron 920.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzene, p-dichloro- 0.0011 mg/kg Silver and compounds 0.73 mg/kg Cadmium and compounds 4.65 mg/kg Nickel (Soluble Salts) 26.2 mg/kg Lead 44.300000000000004 mg/kg Chromium 53.800000000000004 mg/kg

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Site ID: SD055

OWS 7038

Oil/Water Separator

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: SD056

OWS 2989

Oil/Water Separator

Cost

Unknown

Final Cleanup Action

Aug 1998

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Cadmium and compounds 1.6 mg/kg Trichloroethylene (TCE) 2.5 mg/kg Benzo(a)Anthracene 4.2 mg/kg Benzo(b)Fluoranthene 8.8 mg/kg 1,1,1-Trichloroethane 9.200000000000001 mg/kg Benzo(a)Pyrene 14.0 mg/kg Arsenic 16.8 mg/kg Lead 374.0 mg/kg

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Site ID: SD058

OWS 4771

Oil/Water Separator

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: SD060

OWS 6900

Storm Drain

Cost

Unknown

Final Cleanup Action

Aug 1998

Site ID: SD063

OWS 3321

Oil/Water Separator

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: SD064

OWS 4120

Oil/Water Separator

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: SD088

MORRISON CREEK

Drainage Ditch

Cost

Unknown

Final Cleanup Action

Sep 2006

Site ID: SD046

OWS 4120

Duplicate Site Within Same Program

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: SR401

MACHINE GUN RANGE

Small Arms Range

Cost

Unknown

Final Cleanup Action

Oct 2008

Site ID: ST024

1983 JP-4 SPILL SITE AND REFUELING APRON

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: LF003

NORTHEAST PERIMETER LANDFILL NO. 1

Landfill

Cost

$4M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jan 1997

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.3 ug/L Ethyl benzene 1.0 ug/L Benzene, methyl- 1.5 ug/L

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Site ID: LF018

OLD BURIAL SITE

Landfill

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 1999

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.3 ug/L Chloroform 0.7 ug/L cis-1,2-Dichloroethylene 1.2 ug/L Ethyl benzene 1.3 ug/L 1,1,2,2-Tetrachloroethane 1.4 ug/L Carbon Tetrachloride 1.5 ug/L Methylene Chloride 2.4 ug/L Carbon Dichloride 3.5 ug/L Benzene, methyl- 6.0 ug/L Manganese and compounds 6.35 ug/L Trichloroethylene (TCE) 7.9 ug/L Nickel (Soluble Salts) 10.0 ug/L Vanadium 10.3 ug/L Zinc 13.9 ug/L Molybdenum 19.5 ug/L Barium 25.3 ug/L Iron 38.4 ug/L Aluminum 192.5 ug/L

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Site ID: ST026

BUILDING 10072, ONE ABANDONED UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST027

BUILDING 10060, ONE ABANDONED UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST028

FUEL SPILL AT BUILDING 16100

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST030

BUILDING 10300

Spill Site Area

Cost

Unknown

Final Cleanup Action

Dec 1993

Site ID: ST031

BUILDING 10090, ONE ABANDONED UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST032

FUEL SPILL AT AAFES SERVICE STATION

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Toluene 0.005 mg/kg

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Site ID: ST033

BUILDING 3308, SIX ABANDONED UNDERGROUND STORAGE TANKSS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST034

FUEL SPILL AT FAMILY HOUSING SERVICE STATION

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1997

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Benzene 0.12 mg/kg Toluene 0.23 mg/kg Ethylbenzene 0.37 mg/kg Xylene (Mixed) 1.9000000000000001 mg/kg

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Site ID: ST035

BUILDING 3226, FOUR ABANDONED UNDERGROUND STORAGE TANKSS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1997

Site ID: ST036

BUILDING 3286, FOUR ABANDONED UNDERGROUND STORAGE TANKSS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1997

Site ID: ST038

BUILDING 3388

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST040

BUILDING 3875

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST042

BUILDING 2898

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST043

BUILDING 10150, TWO ABANDONED UNDERGROUND STORAGE TANKSS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST044

BUILDING 8540

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST045

BUILDING 7003

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST046

BUILDING 8158(TANK 8158A)

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST047

UNDERGROUND STORAGE TANKS 10400B

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1993

Site ID: ST049

BUILDING 10450, ABANDONED UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST051

BUILDING 10030

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST052

BUILDING 10400, ABANDONED UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST053

BUILDING 18051, ABANONDED UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST070

BUILDING 1226, TANK 1226

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST025

BUILDING 10100

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1993

Site ID: ST074

10065

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST075

TANK 18015

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST076

TANK 18020

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST078

UNDERGROUND STORAGE TANKS EAST OF BUILDING 2527

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1997

Site ID: ST079

BUILDING 4540, TANK 4540

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 1997

Site ID: ST081

SEWAGE OXIDATION PONDS

Sewage Effluent Settling Ponds

Cost

Unknown

Final Cleanup Action

Sep 1998

Site ID: WL084

SANITARY SEWER LINE FROM SAC AREA TO SEWAGE TREATMENT FACILITY

Waste Lines

Cost

Unknown

Final Cleanup Action

Sep 1998

Site ID: WP019

FUEL TANK SLUDGE BURIAL SITE

POL (Petroleum/Oil/Lubricants) Lines

Cost

Unknown

Final Cleanup Action

Jul 1997

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.2 ug/L Benzene, methyl- 0.4 ug/L Ethyl benzene 0.8 ug/L Lead 5740.0 ug/L

Soil: Risk Not Evaluated

Contaminants: 1,1,1-Trichloroethane 0.0001 mg/kg Chloroform 0.0002 mg/kg Benzene, methyl- 0.0004 mg/kg Ethyl benzene 0.00185 mg/kg Methylene Chloride 0.0045000000000000005 mg/kg

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Site ID: WR083

HELICOPTER WASHRACK

Washrack

Cost

Unknown

Final Cleanup Action

Sep 1998

Site ID: XE402

UNEXPLODED ORDNANCE BURIAL SITE (FORMERLY ORD01)

Explosive Ordnance Disposal Area

Cost

Unknown

Final Cleanup Action

Jul 2007

Site ID: XE404

OB/OD PIT (FORMER IRP SITE 69)

Explosive Ordnance Disposal Area

Cost

Unknown

Final Cleanup Action

Sep 2012

Site ID: ST071

BUILDING 3271, TANK 3273E

Underground Storage Tanks

Cost

$2.09M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 1996

This site is under ongoing monitoring until Sep 2045

Site ID: XU400

GRENADE PRACTICE

Unexploded Munitions and Ordnance Area

Cost

Unknown

Final Cleanup Action

Sep 2009

Site ID: ST029

POL YARD NO. 4

Underground Storage Tanks

Cost

$2.09M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 1996

This site is under ongoing monitoring until Sep 2045

Site ID: ST068

UNDERGROUND STORAGE TANKSS AT FUEL TRANSFER STATION

Underground Storage Tanks

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 1998

This site is under ongoing monitoring until Sep 2045

Site ID: ST020

DIESEL SPILL SITE (SEWAGE TREATMENT PLANT)

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Sep 1998

This site is under ongoing monitoring until May 2012

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Benzene, chloro- 0.27 ug/L 1,1,2,2-Tetrachloroethane 0.3 ug/L Carbon Dichloride 0.44 ug/L Chloroform 0.46 ug/L 1,1-Dichloroethane 0.46 ug/L Ethyl benzene 0.7 ug/L Benzene, methyl- 0.8 ug/L Trichloroethylene (TCE) 0.81 ug/L Methylene Chloride 1.9 ug/L Lead 30.0 ug/L

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Site ID: ST048

BUILDING 10410, ONE (OR TWO) ABANDONED UNDERGROUND STORAGE TANKS(S)

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: CCB011

7035 CORROSION CONTROL HANGAR, ACM PRESENT = FLOOR TILE, MECHANI

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

Oct 1996

Site ID: SD065

OWS 6910

Oil/Water Separator

Cost

Unknown

Final Cleanup Action

Sep 1996

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Chlordane 0.0035 mg/kg Methyl Ethyl Ketone 0.02 mg/kg Polychlorinated Biphenyls 0.33 mg/kg Cadmium and compounds 9.6 mg/kg Chromium III 3140.0 mg/kg

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Site ID: FR087

SKEET AND TRAP RANGE

Firing Range

Cost

$2.17M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 1999

This site is under ongoing monitoring until Sep 2045

Site ID: RW016

ELECTRON TUBE BURIAL SITE

Disposal Pit and Dry Well

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: SD066

OWS 6915

Oil/Water Separator

Cost

Unknown

Final Cleanup Action

Jun 1996

Site ID: ST041

BUILDING 2995

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1996

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 »