Mumford Ranch Landfill, San Miguel, California | Solid Waste Management Facility

Mumford Ranch is a landfill facility located at 1700 N St, San Miguel, California, within San Luis Obispo County. The site is operational and manages solid waste for the surrounding region, contributing to the area's waste disposal infrastructure. As a landfill, it is classified under NAICS code 562212 for solid waste landfills. The facility operates under the regulatory framework of the United States Environmental Protection Agency (EPA) and the California Department of Resources Recycling and Recovery (CalRecycle). Key regulations include RCRA Subtitle D for municipal solid waste landfills and the Clean Air Act for landfill gas emissions. California imposes additional requirements for landfill gas collection, leachate management, and groundwater monitoring to minimize environmental impacts. Mumford Ranch plays a critical role in managing the solid waste generated in San Luis Obispo County. Its location in a rural area near San Miguel helps balance waste disposal needs with community proximity considerations. The facility's operations are subject to ongoing monitoring to ensure compliance with environmental standards, particularly regarding methane emissions and groundwater protection.

The landfill is situated in a semi-rural area of San Luis Obispo County, California, where groundwater resources are vital for agriculture and local communities. Proper leachate management is essential to prevent contamination of underlying aquifers. Additionally, landfill gas, primarily methane, must be collected and controlled to reduce greenhouse gas emissions and comply with Clean Air Act regulations. The facility's proximity to residential areas in San Miguel necessitates careful traffic management and odor control to minimize community impacts.