<p>EBMUD required a program-level analysis of the potential air quality impacts associated with the implementation of District&rsquo;s long-term plan to provide adequate water to its service area. The types of facilities associated with the water supply components included new or expanded reservoirs, a regional desalination plant, groundwater recharge facilities, extraction wells, pipelines, and a pre-treatment plant. Because these facilities would be located across four separate air districts&mdash;Bay Area Air Quality Management District (BAAQMD), San Joaquin Valley Air Pollution Control District (SJVAPCD), Sacramento Metropolitan Air Quality Management District (SMAQMD), and Amador County Air Pollution Control District (AMADORAPCD)&mdash;the analysis offered a unique opportunity to compare and contrast their respective California Environmental Quality Act (CEQA) guidance, significance thresholds, and recommended mitigation measures. The project involved examination of air quality impacts of six different action alternatives, consisting of different mixes of 10 different water supply components. A detailed analysis of greenhouse gas (GHG) emissions associated with the construction and operation of these facilities was also conducted.</p>
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