1-800-827-5275 Mon - Fri 8:00 - 5:00 421 Wheeler Ave Fredonia, WI 5302
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Quality Products for Professionals since 1916

Petersen Onsite

Petersen Onsite is proud to be a leading provider of onsite wastewater treatment and dispersal systems. Petersen, based out of Fredonia WI, is honored to offer services in Wisconsin, Minnesota, Iowa and the UP of Michigan, as well as various other Midwestern states. Petersen Resources, the parent company of Petersen Onsite, is primarily known for its production of pipeline isolation equipment used extensively in the pipeline service industry. Petersen Products, established in 1916, has provided state of the art pipe plug products for over 100 years. 

As a subsidiary of Petersen Resources, Petersen Onsite was founded in 1997 to meet the growing needs of the onsite wastewater industry. Petersen Onsite began in the market as a component supplier to installing contractors and support provider to design engineers for state of the art onsite wastewater treatment and dispersal systems. By 2006, Petersen Onsite was supplying, installing, and managing residential and commercial wastewater treatment systems for many clients.

Now, Petersen Onsite offers various septic services, from turnkey design/build/manage projects, to helping other industry professionals plan, install and manage system for their customers. Utilizing our well-established professional relationships, Petersen works with property owners, developers, designer/engineers, contractors, plumbers, septage haulers, regulators, and many others to ensure that every project not only meets all regulatory requirements but provides the best solutions for our customers. 

Our management professionals and certified operators have extensive knowledge and experience in wastewater treatment, allowing them to assist our clients in many ways: providing preventative system maintenance, repair and replacement of system components, troubleshooting tips, inspections, analytical sampling and other services.

Our goal at Petersen Onsite is complete customer satisfaction. We pride ourselves in giving our customers all the attention they need to ensure the success of the systems we provide. We are a 24 hours a day, 7 days a week, service minded company. Please do not hesitate to call whenever a question or need arises.