The Northern Sonoma County Air Pollution Control District (NSCAPCD)
150 Matheson Street
Healdsburg, CA 95448
Covers the northern and coastal regions of Sonoma County including:
Annapolis, Bodega, Bodega Bay, Camp Meeker, Cazadero, Cloverdale, Duncans Mills, Forestville, Geyserville, Gualala, Guerneville, Healdsburg, Jenner, Monte Rio, Rio Nido, and The Sea Ranch; small portions in the north of the following four towns: Windsor, Sebastopol, Occidental, and Valley Ford; and the Sonoma County portion of Calistoga.