Valero Benicia Asphalt Plant - Refinery in Benicia, California, USA

Valero Benicia Asphalt Plant is a refinery situated at 3001 Park Rd, Benicia, California, in the United States. The facility is operational and falls under the NAICS codes 324110 (Petroleum Refineries) and 324121 (Asphalt Paving Mixture and Block Manufacturing). As a refinery, it plays a role in the downstream oil sector, focusing on asphalt production. The plant operates under the regulatory framework of the United States Environmental Protection Agency (EPA), including the Clean Air Act (CAA) Refinery Maximum Achievable Control Technology (MACT) standards and other applicable federal and state regulations. California's stringent environmental laws, such as those from the California Air Resources Board (CARB), also apply. The facility's refining complexity, measured by the Nelson index, is typical for an asphalt-focused refinery, which generally has lower complexity compared to full-conversion refineries. The Valero Benicia Asphalt Plant contributes to the local economy by supplying asphalt for construction and infrastructure projects in the San Francisco Bay Area. Its coastal location on the Carquinez Strait necessitates robust spill prevention and response measures under the Oil Pollution Act of 1990 and MARPOL Annex I. The plant's operations are integrated with Valero's broader refining network, supporting regional fuel and product markets.

The plant is located in an industrial area near the Carquinez Strait, a tidal waterway connecting San Francisco Bay to the Sacramento-San Joaquin River Delta. This coastal siting poses spill risks to sensitive aquatic ecosystems, including wetlands and fish habitats. The facility's asphalt production involves handling heavy hydrocarbons, which require careful management to prevent soil and water contamination. Regulatory oversight from the EPA and California's regional water quality control boards ensures compliance with discharge limits and spill prevention plans.