Aqua Sierra Controls is an Instrumentation and Electrical Contractor specializing in process control automation for industrial and municipal installations and a manufacturer's representative for Data Flow Systems. ASC began operations in October of 1979 as a California based (S) Corporation. Les Watson serves as the President and RME. We are located in Auburn, California, just above Sacramento in the sierra mountain foothills. ASC provides services such as design engineering, construction, service, instrumentation and electrical systems integration, PLCs, SCADA and custom control panel fabrication.
From the start in 1979, we have continued to grow based on word of mouth from the exceptional quality and customer orientation we have given to our wonderful customers. Relying on Les Watson, our founder and his team's outstanding ability and expertise to solve complicated technical issues, Les has created a growth company that has serviced the Northern California Industrial Market for over four decades. The company has grown in areas such as Legionella Control Systems, complex pumping systems and flow measurement, working with customers over the years such as: Stanford Medical, San Francisco Medical, San Francisco Water, California Water Service Co., Cal Trans and many others.