Petersen Onsite

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

Today we remember and honor the heroes of our nation and express our deepest gratitude to the service members who gave e...
05/25/2026

Today we remember and honor the heroes of our nation and express our deepest gratitude to the service members who gave everything for our country.
We wish everyone a safe and meaningful Memorial Day! 🇺🇸

Another installation recently wrapped up! Shown is the process of the placement of the precast concrete tank, containing...
05/18/2026

Another installation recently wrapped up! Shown is the process of the placement of the precast concrete tank, containing a HighStrengthFast 1.5 unit.

The FAST system uses advanced aeration and natural microbiology to treat wastewater much cleaner and more efficiently than a standard system.

05/15/2026

Project completion! Excavation and placement of an advanced FAST wastewater treatment system.

Featuring two FAST aeration units, this system serving an elementary school, delivers reliable wastewater treatment by s...
05/06/2026

Featuring two FAST aeration units, this system serving an elementary school, delivers reliable wastewater treatment by supporting the natural breakdown of organic material within a contained system while producing high quality treated effluent. This ensures dispersal system longevity and replenishes the valuable underlying aquifers.

Installation site snapshots. Pit excavated, tanks delivered, and crane in position.
05/01/2026

Installation site snapshots. Pit excavated, tanks delivered, and crane in position.

Golden hour with a purpose beneath the surface! This site utilizes two MyFast 1.0 units. With just one moving part, an a...
04/27/2026

Golden hour with a purpose beneath the surface! This site utilizes two MyFast 1.0 units. With just one moving part, an aeration blower, these systems deliver a simple, durable solution for wastewater treatment. Inside, attached growth media and natural microbial processes reduce over 90% of BOD and TSS while improving overall water quality. Reliable, efficient, and built to perform for homes, businesses, and more.

Hatchery to habitat: at this fish hatchery, advanced onsite treatment systems work to protect water quality. By supporti...
04/24/2026

Hatchery to habitat: at this fish hatchery, advanced onsite treatment systems work to protect water quality. By supporting natural biological processes, these systems help reduce organic matter, nutrients, and bacteria before the treated water is recylced, becoming the same water these fish depend on.

More than just fuel! This gas station relies on a private onsite wastewater treatment system to handle daily demand. The...
04/23/2026

More than just fuel! This gas station relies on a private onsite wastewater treatment system to handle daily demand. The system includes a HighstrengthFAST unit; by circulating oxygen through submerged media, beneficial microbes naturally reduce organic matter and improve water quality creating a durable, cost-effective solution for commercial applications.

Properly maintained wastewater treatment systems help protect both the environment and the property they are established...
04/10/2026

Properly maintained wastewater treatment systems help protect both the environment and the property they are established on! The septic systems we manage are designed to process wastewater efficiently, preventing negative environmental impact and the need for frequent maintenance.

Good Friday is a time for reflection, gratitude, and renewal. May the significance of this day remind us all of the imme...
04/03/2026

Good Friday is a time for reflection, gratitude, and renewal. May the significance of this day remind us all of the immense love we have been blessed with.

Petersen Onsite wishes all a healthy and happy Easter weekend!

Address

Fredonia, WI
53021

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