Welcome to Sonde Geological Services!Locally owned and operated since 1991, Sonde Geological Services has been a go-to company for earthwork and septic management for clients within Shingle Springs and its surrounding communities.Our specialties lie in the design and installation of residential and commercial septic systems, along with contracting for soil sampling and environmental analysis. Client satisfaction is our number-one concern with every client, no matter the job.Give Sonde Geological Services a call to learn more about what we do or schedule an initial consultation. We look forward to assisting you!