Priest Ranch Refuse Dump - Operational Landfill in Saint Helena, Napa County, California

Priest Ranch Refuse Dump is a landfill facility located at 3460 128 HWY in Saint Helena, California, within Napa County. As an operational landfill, it plays a key role in managing solid waste for the surrounding community. The facility is classified under NAICS code 562212, which covers solid waste landfills. The landfill operates under the regulatory framework of the US EPA's Resource Conservation and Recovery Act (RCRA) Subtitle D, which governs municipal solid waste landfills, as well as California's stringent state regulations. These regulations address critical aspects such as liner systems, leachate management, groundwater monitoring, and landfill gas control. The facility's location in California's wine country region means it likely handles a mix of residential and commercial waste from the Napa Valley area. Environmental considerations for this landfill include methane gas generation from decomposing waste, which is typically managed through gas collection systems to reduce greenhouse gas emissions. Leachate management is also crucial to protect local groundwater resources, especially given the proximity to Napa Valley's agricultural and viticultural areas. The facility's operational status indicates ongoing community service, with waste diversion and recycling programs likely complementing its landfill operations.

The Priest Ranch Refuse Dump is situated in Napa County, California, a region known for its vineyards and agricultural significance. Landfills in this area must carefully manage leachate to prevent contamination of groundwater, which is vital for local agriculture. Methane gas collection systems are typically required to mitigate greenhouse gas emissions and comply with Clean Air Act regulations. Proximity to residential areas in Saint Helena also necessitates effective odor and traffic management to minimize community impact.