California Water Board Issues Case Closure Letter for Pacific Shell Service Station Underground Storage Tank Program

On August 5, 2025, the Los Angeles Regional Water Quality Control Board issued a case closure letter for the Underground Storage Tank Program for the Pacific Shell Service Station, formerly Safar Exxon-Mobil and Mobil Service Station #18-MRC, located at 25808 South Narbonne Avenue in Lomita, California. The letter confirms that the site investigation and corrective actions for petroleum releases associated with the former underground storage tanks have been successfully completed in compliance with the California Health and Safety Code and corrective action regulations. No further action is required at this site. View document, case closure summary and supporting documents.