Petersen GPM Well Testing and Water Treatment Services

Les Petersen-GPM Well Testing and Water Treatment Services, LLC is a Santa Rosa, California-based company specializing in comprehensive water system solutions. Serving Santa Rosa and the surrounding communities, the business provides expertise in well testing, water treatment, and the design, development, and maintenance of water systems for residential and commercial clients. With a strong local reputation and a range of specialized services, Petersen-GPM is a trusted provider for water quality and supply needs in the region. The company’s offerings include well testing, water treatment system design and installation, water system construction, equipment sales, and ongoing service and maintenance. Petersen-GPM’s team of experts ensures that clients have access to clean, safe, and reliable water through customized solutions and professional support.