CEMEX Construction Materials Pacific LLC Cement Plant, Apple Valley, California

CEMEX Construction Materials Pacific LLC is a cement plant located at 25220 Black Mountain Quarry Road in Apple Valley, San Bernardino County, California. The facility is operational and classified under NAICS codes 212312 (Crushed and Broken Limestone Mining) and 327310 (Cement Manufacturing), indicating an integrated quarry and cement production operation. As a cement plant in California, the facility operates under the regulatory oversight of the U.S. Environmental Protection Agency (EPA) and the California Air Resources Board (CARB). Key regulations include the Clean Air Act (CAA) for emissions of particulate matter, nitrogen oxides, and sulfur dioxide, as well as the Clean Water Act (CWA) for stormwater and process water discharges. The facility likely holds Title V operating permits and must comply with National Emission Standards for Hazardous Air Pollutants (NESHAP) for cement plants. The plant's location in the Mojave Desert region influences its environmental context, with water scarcity and dust control being significant operational considerations. Cement production is energy-intensive and a notable source of CO2 emissions, making the facility subject to California's cap-and-trade program and greenhouse gas reporting requirements.

The cement plant is situated in the Mojave Desert near Apple Valley, an arid region with limited water resources and sensitive desert ecosystems. Cement manufacturing generates significant air emissions, including particulate matter, nitrogen oxides, and carbon dioxide. The facility's proximity to residential areas necessitates stringent dust control and emission monitoring. California's stringent environmental regulations, including the California Environmental Quality Act (CEQA) and local air district rules, govern the plant's operations to mitigate impacts on air quality and local habitats.