Horse Stables (CAYS) Landfill - San Ysidro, California Solid Waste Management

Horse Stables (CAYS) is an operational landfill located at 2060/700 Hollister in San Ysidro, San Diego County, California. This facility serves the local community by providing solid waste disposal services within the densely populated San Diego metropolitan area. As a landfill, it plays a key role in the region's waste management infrastructure. The facility operates under the regulatory framework of the United States Environmental Protection Agency (EPA) Resource Conservation and Recovery Act (RCRA) Subtitle D for municipal solid waste landfills, as well as California's stringent state regulations. Landfills in California are subject to rigorous monitoring for landfill gas collection, methane leakage, and leachate management to protect air and water quality. The facility's NAICS code 562212 indicates it is a solid waste landfill. Given its location near the U.S.-Mexico border and proximity to residential areas, the landfill's environmental management is critical. Proper gas collection systems and leachate control measures are essential to minimize methane emissions and prevent groundwater contamination. The facility contributes to the region's waste disposal capacity while adhering to comprehensive environmental standards.

The landfill is situated in San Ysidro, a community near the Tijuana River estuary and the Pacific coast. This location requires careful management of landfill gas and leachate to protect sensitive ecosystems and groundwater resources. Methane capture systems are typically employed to reduce greenhouse gas emissions, while liners and leachate collection systems prevent contamination of local water bodies. Proximity to residential areas also necessitates odor control and traffic management.