About Doane and Hartwig Water Systems, Inc.
Founded in 2006, Doane and Hartwig Water Systems, Inc. is a trusted manufacturers’ representative serving the municipal water and wastewater markets. We partner with leading equipment manufacturers to provide proven, reliable solutions that help communities deliver safe water and operate efficient treatment systems.
Our focus is on building long-term relationships—both with the manufacturers we represent and the engineers, operators, and municipalities we serve. We take pride in offering technical expertise, responsive service, and practical guidance throughout every stage of a project, from design support to startup and ongoing operation.
With decades of combined industry experience, our team understands the challenges faced by today’s water and wastewater professionals. At Doane and Hartwig Water Systems, our mission is simple: to support sustainable infrastructure by connecting our customers with high-quality products and dependable service they can trust.