Upper Valley Disposal Service Landfill - Calistoga, California Solid Waste Management Facility

Upper Valley Disposal Service Landfill is an operational solid waste facility located at the end of Clover Flat Road in Calistoga, Napa County, California. It serves the local community as a landfill for municipal solid waste disposal, operating under the regulatory oversight of the US Environmental Protection Agency and the California Department of Resources Recycling and Recovery (CalRecycle). The facility operates as a landfill, a common solid waste management method in the United States. Under US EPA RCRA Subtitle D, landfills must comply with design, operation, and closure standards to protect human health and the environment. Additionally, the Clean Air Act requires large landfills to collect and control landfill gas, which is primarily methane and carbon dioxide, to reduce greenhouse gas emissions. The facility's NAICS code 562212 indicates it is engaged in solid waste landfill operations. Located in California's Napa Valley, the landfill operates in a region known for its wine industry and natural landscapes. Proper waste management is critical to protect local groundwater and air quality. The facility's environmental significance lies in its role in managing waste from the surrounding community while adhering to state and federal regulations that aim to minimize leachate generation and methane emissions.

The landfill is situated in Napa County, California, a region with a Mediterranean climate and significant agricultural activity, particularly viticulture. Proximity to groundwater resources and residential areas necessitates robust leachate management and landfill gas collection systems to prevent contamination and reduce methane leakage. The facility's operations are subject to California's stringent environmental regulations, which require monitoring of groundwater, surface water, and air emissions to protect the local ecosystem and community health.