Cape Isabel Harbour, Long Beach, California | Marine Utilities Facility

Cape Isabel Harbour is located at 2980 Nimitz Rd., Long Beach, California, within the Los Angeles County area. This operational harbour facility supports marine cargo handling and vessel traffic, contributing to the broader Port of Long Beach complex, one of the busiest seaports in the United States. The facility operates under U.S. federal and state regulations, including the U.S. EPA Vessel General Permit (VGP) for vessel discharges and the Clean Water Act for shoreside stormwater management. As a harbour handling containerized and bulk cargo, it must comply with MARPOL Annex II for noxious liquid substances and Annex V for garbage management. Typical infrastructure includes berths, cargo handling equipment, and stormwater treatment systems. Cape Isabel Harbour plays a significant role in the Southern California supply chain, facilitating international trade and supporting local economic activity. Its proximity to sensitive coastal habitats necessitates careful environmental management, including oil-water separation and spill prevention measures.

The harbour is situated in the San Pedro Bay, an area with diverse marine ecosystems including eelgrass beds and rocky reefs. Operations involve container and bulk cargo handling, which can generate stormwater runoff containing sediments and potential pollutants. Effective stormwater management and oil-water separation are critical to minimize impacts on local water quality and marine life.