Greenley Hills Disposal Site - Operational Landfill in Mariposa, California

Greenley Hills Disposal Site is an operational landfill located in Mariposa, California, United States. It serves the Mariposa County area, providing solid waste disposal services for the local community. As a landfill, it is part of the broader solid waste management infrastructure in California, which is regulated under the US EPA RCRA Subtitle D for municipal solid waste and California's own stringent environmental standards. The facility operates under the NAICS code 562212 (Solid Waste Landfill), indicating its primary function as a disposal site for non-hazardous solid waste. Typical landfills of this scale in California are required to implement landfill gas collection and control systems under the Clean Air Act. Leachate management systems are also standard to protect groundwater resources, especially given the proximity to the Sierra Nevada foothills. Environmentally, the site's location in Mariposa County places it in a region with diverse ecosystems and agricultural activities. Proper waste management is critical to prevent methane emissions and groundwater contamination. The facility's operational status suggests it continues to serve the community's waste disposal needs while complying with state and federal regulations aimed at minimizing environmental impact.

The Greenley Hills Disposal Site is situated in Mariposa County, California, an area characterized by its proximity to the Sierra Nevada mountain range and agricultural lands. Landfills in this region must manage methane emissions through gas collection systems to comply with the Clean Air Act. Leachate management is also critical to protect local groundwater, which may be used for drinking water and irrigation. The site's location near rural communities necessitates careful traffic management and odor control to minimize community impacts.