Sierra Estrella Sanitary Landfill - Solid Waste Management in Maricopa, Arizona

Sierra Estrella Sanitary Landfill is an operational solid waste facility located at 22087 N Ralston Rd in Maricopa, Arizona, within Pinal County. As a landfill, it serves as a key component of the region's solid waste management infrastructure, handling municipal solid waste from surrounding communities. The facility operates under the regulatory framework of the US EPA, including RCRA Subtitle D for municipal solid waste landfills and Clean Air Act requirements for landfill gas management. The landfill is situated in the Sonoran Desert, a region characterized by arid climate and sensitive ecosystems. Operations focus on waste containment, leachate management, and landfill gas collection to mitigate environmental impacts. The facility's NAICS codes (562000 and 562212) indicate involvement in waste management and solid waste landfill operations, aligning with standard practices for modern landfills in the United States. Sierra Estrella Sanitary Landfill plays a significant role in local waste management, providing disposal capacity for Pinal County and nearby areas. Its location near Maricopa, a growing city, underscores the importance of proper waste handling to protect groundwater and air quality. The facility's compliance with federal regulations ensures adherence to environmental standards for landfill gas and leachate control.

The landfill operates in the Sonoran Desert, where water resources are scarce and groundwater protection is critical. Leachate management is essential to prevent contamination of the underlying aquifer. Landfill gas collection systems help reduce methane emissions, a potent greenhouse gas, and can be used for energy recovery. Proximity to residential areas in Maricopa requires careful management of odor, traffic, and litter to minimize community impacts.