Damon S. Williams Associates, L.L.C. (DSWA) is a civil and environmental consulting firm specializing in water and wastewater engineering founded by Damon S. Williams, P.E. in Phoenix in 1987. With offices in Phoenix, Arizona; Las Vegas, Nevada; Denver, Colorado; and Oakland, California. DSWA provides governments, businesses, and other engineering professionals with creative, practical, and cost-effective solutions to today's environmental engineering challenges. DSWA prides itself in an ever growing professional and technical support staff. Our staff has a commitment to quality and a sincere desire to work with the client and meet their project goals and objectives. Our commitment to service results in a very high level of client satisfaction and project success, as evidenced by the fact that most of our new business is derived from clients previously served.

The firm's services include planning, design, construction administration, and operations/utility management assistance for municipal and industrial water and wastewater projects.