Petersen Onsite

Name: Petersen Onsite
Address: Fredonia, WI, 53021, US
Telephone: +12626922416

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Petersen Onsite

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Petersen Onsite provides products, services, consulting, & management for onsite wastewater treatment

10/30/2026

Here's a look at another onsite wastewater installation. There's a lot that goes into these projects, from evaluating site conditions to selecting the appropriate treatment system and getting everything coordinated smoothly and installed correctly!

It's important to get the details right!

10/12/2026

Putting the finishing touches on a newly installed wastewater treatment system, one stone at a time!

10/09/2026

Dusk on the course. Situated in the Sedge Village portion of the Sand Valley Resort, perched high above the tennis facility, is The Gallery. This facility houses the pro shop for both the indoor and outdoor tennis facilities on the Sand Valley property. It also houses The Gallery Restaurant. A full-service dining venue and bar offering handcrafted pizzas, Italian specialties, and a curated w**e list. Softly and quitely throughout the day and night, this Petersen Onsite wastewater system consistently and efficiently produces highly treated effluent which is then polished by the native soils before it is recycled back to the valuable underlying aquifer. Good things happen when the work behind the scenes runs smoothly!

Let us know how we can help with your next project!

10/01/2026

A bird’s-eye view of one of the many wastewater treatment systems that we help manage! This particular system serves a Wisconsin DOT Safety and Weight Enforcement Facility on a high traffic highway! These onsite systems are designed to handle wastewater where it’s generated, providing reliable treatment for the extreme fluctuations in the daily use that these types of facilities see. Consistent and quality management help to ensure the long term success of the systems we provide!

09/28/2026

Another FAST system installation underway! The tanks and risers in place give a good look at how the system comes together below grade. BioMicrobics FAST systems use fixed-film treatment to support the biological process that treats wastewater.

Always rewarding to see the pieces come together on site!

09/24/2026

Great view of this gas station site catching the last light of the evening! This Kwik Trip is in the installation process of a state of the art wastewater treatment system that will utilize a BioMicrobics MyFast 1.0 unit and Petersen Onsite Controls! Difficult sites made easy with proper design, diligent construction, and meticulous management. We look forward to the next challenging site!

09/10/2026

A solid glandular base is a crucial step in the installation of large onsite treatment tanks. Here is a shot of our crew prepping an excavation for a tank installation in Egg Harbor, WI.

09/07/2026

Labor Day is a time to recognize and appreciate the hard work and dedication of American workers. Petersen employees, colleagues, and partners have created a work environment of determination and dedication that we are proud to be a part of!

We thank all the hardworking men and women out there!
Happy Labor Day from Petersen Onsite!

09/04/2026

Concrete riser installation on a concrete septic tank provides convenient access for inspection, maintenance, and servicing of the tank. A properly fitted riser creates a durable, secure connection while keeping the tank access at a practical level. Quality workmanship is part of every wastewater treatment system installation.

08/21/2026

A look at a FAST wastewater treatment system installation.

Address

Fredonia, WI
53021

Telephone

+12626922416

Website

https://petersenonsite.com/

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