Pacific Southwest (Region 9) Media Center

EPA Completes Dededo Transfer Station Removal Action

U.S. Environmental Protection Agency (EPA) has completed the removal of approximately 31,000 cubic yards of soil contaminated with heavy metals and polychlorinated biphenyls (PCBs) at the Dededo Transfer Station in Guam.

• Release Date: October 6, 2025

EPA Oversees Largest Lithium-Ion Battery Cleanup in Agency History at Moss Landing

Following work to delink batteries and stabilize severely fire-impacted Moss Landing 300 Building, crews begin removing, treating lithium-ion batteries

Today, EPA began oversight of the removal of lithium-ion batteries from the Moss Landing, California battery energy storage facility impacted in a January 2025 fire, marking the start of an unprecedented battery cleanup effort.

• Release Date: September 29, 2025

EPA Protects Kauai Water with Closures of Eight Illegal Large-Capacity Cesspools in Lihue

EPA settlements will also close additional smaller cesspools in Kauai

Today, U.S. Environmental Protection Agency (EPA) announced settlements with Grove Farm Company, Inc. and The Gas Company, LLC (doing business as Hawaii Gas) to close a total of eight illegal large-capacity cesspools and other cesspools in Lihue, Kauai.

• Release Date: September 26, 2025

EPA Protects the Little Colorado River from Impacts of Abandoned Uranium Mines, Announces Removal Action to Advance Cleanup of Contamination

EPA announces a removal action decision that will protect the Little Colorado River from uranium contamination by safely moving mine waste from two abandoned uranium mines and a portion of a third into an on-site repository one mile from the river.

• Release Date: September 25, 2025

Pipeline Company to Pay Penalty, Continue Cleanup in Agreement with EPA Over Gasoline Spill in Walnut Creek, Calif.

U.S. Environmental Protection Agency (EPA) announced a settlement with pipeline company SFPP, L.P. to resolve claims of Clean Water Act violations after the company's pipeline discharged over 40,000 gallons of gasoline into the environment in Walnut Creek.

• Release Date: September 23, 2025

EPA Requires Chemical Safety Improvements at Stockton Facility

Today, U.S. Environmental Protection Agency (EPA) announced a settlement with the California Ammonia Company (CALAMCO) for claims of violations of the Clean Air Act (CAA).

• Release Date: August 19, 2025

United Nuclear Corporation and General Electric to Perform $63 Million Cleanup of Uranium Mine Waste at Northeast Church Rock Mine in Navajo Nation

The United Nuclear Corporation (UNC) and General Electric Company (GE) have agreed to a Consent Decree with the United States, Navajo Nation and the State of New Mexico under the federal Superfund law.

• Release Date: August 11, 2025