EPA v. Mather Air Force Base

Case summary

This is a Federal Facilities Agreement between the United States Department of the Air Force, the United States Environmental Protection Agency, Region 9, and the State of California for the Mather Air Force Base Superfund Site in Sacramento County, California. Mather AFB is a federal facility that was placed on the NPL on July 22, 1987. Its primary mission was a flight training school. Mather AFB was decommisioned under the BRAC Act on September 30, 1993. The Site was divided into six Operable Units to facilitate cleanup. Primary pollutant of concern is TCE.

Defendants (1)

• United States Air ForceNamed in complaintNamed in settlement

Facilities (1)

• MATHER AIR FORCE BASE

  MATHER FIELD ROAD, MATHER, CA, 95655

  Registry ID: 110000907653

Statutes cited

• CERCLA 106A — Imminent & Substantial Endangerment Order
• CERCLA 120E — Federal Facility Interagency Agreement

Enforcement conclusions (3)

• Mather AFB OU 04 ESDentered 2008-07-31

  Primary law: CERCLA

• Mather Air Force Baseentered 2006-09-26

  Primary law: CERCLA

• Mather Air Force Base OU 03 ESD (AC+W Plume ICs)entered 2008-10-30

  Primary law: CERCLA

Timeline (3 milestones)

• 1989-07-19Complaint Filed/Proposed Order
• 2006-10-17Enforcement Action Data Entered
• 2008-10-30Final Order Issued