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  • Sonoma County is served by two air quality districts with distinct boundaries, jurisdictions, rules, and policies: Northern Sonoma County Air Pollution Control District (NSCAPCD) and Bay Area Air Quality Management District (BAAQMD).
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    The Charles M. Schulz - Sonoma County Airport (STS) offers nonstop service to and from Los Angeles, Seattle, Portland, and San Diego, as well as amenities such as affordable parking, shorter lines, and fine dining.
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    The TPW Integrated Waste Division owns the Sonoma County Central Landfill, which houses facilities for recycling, material reuse and natural gas and electrical generation. It owns five refuse transfer stations, oversees the regulation of two commercial hauling companies and maintains closed landfills.
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    Road Maintenance and Construction is a division of the Department of Transportation & Public Works (TPW). The TPW Roads Division strives to maintain Sonoma County roads safe and passable.
  • Sonoma County Transit
    Sonoma County Transit provides provides high-quality yet cost-effective local and intercity public transportation throughout most of the major communities in Sonoma County, as well as Novato and San Rafael in Marin County.
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    The Department of Transportation & Public Works (TPW) administers water service to four small districts: Fitch Mountain, Freestone, Jenner, and Salmon Creek.
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Contact Information

Johannes J. Hoevertsz


Transportation & Public Works
Business Hours
Monday – Friday
8:00 AM – 5:00 PM
Contact us by Phone
Office Location
La Plaza B
2300 County Center Drive
Suite B 100
Santa Rosa, CA 95403
38.462006, -122.725384