Based in Fredonia, Wisconsin, Petersen Onsite provides products, services, consulting and management for onsite water and wastewater treatment — dedicated to providing solutions.
Innovative designs, state of the art components, highest quality installation.
Highly qualified and experienced professionals at every step.
Exceptional ongoing operation and management.
Contact Petersen for your most demanding product and service requirements. As an innovative wastewater treatment system supply and management company, we are dedicated to providing solutions!
We are regularly chosen for sewer service projects in the state of Wisconsin.
Learn moreContribute to the total wellbeing of individuals and society by employing and empowering highly capable people of integrity who are motivated to create solutions of considerable value, especially for wastewater customers.
To be seen as a responsive, beneficial, creative, and trusted solution provider committed to continuous quality improvement that meets customer, legal, and regulatory requirements.
Our overriding obligation is to benefit the people and industries who use our products and services. Customer safety, satisfaction, and trust define our reputation.
State of the art components and innovative system designs for onsite water and wastewater treatment.
Highest quality installation and responsive service for residential, commercial, and municipal projects.
Expert guidance on your most demanding wastewater treatment requirements, from design through approval.
Exceptional ongoing operation and management to keep your system performing at its best.
Contact Petersen for your most demanding product and service requirements.
