Los Angeles Regional Water Quality Control Board Follows Up with ExxonMobil on the Underground Storage Tank Program Pre-closure Notification Letter

On May 1, 2025, the Los Angeles Regional Water Quality Control Board followed up with ExxonMobil Oil Corporation regarding the Underground Storage Tank (UST) Program pre-closure notification sent on January 19 for the Pacific Shell Service Station at 25808 South Narbonne Avenue. To proceed with officially closing the case, the following actions must be completed: destruction of the monitoring wells and removal of any associated waste. Once documentation confirming the well destruction is submitted, the Los Angeles Regional Water Quality Control Board will issue a formal case closure letter. View document.