As one of the largest groundwater firms in the state, Weeks Drilling & Pump Co. has been serving Northern California since 1906. With a longstanding reputation for integrity, Weeks offers a complete range of water supply solutions. Our four departments work closely with one another to serve residential, commercial, and municipal customers. From drilling a well and installing a pump system, to designing and installing filtration systems, to managing many local public water systems, Weeks applies unique multi-generational knowledge and experience to ensure our community has safe, clean water. When you think of water, think of Weeks!