Altra Onsite Services

Altra Onsite Services Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Altra Onsite Services, Sewer Service, Princeton, MN.

We provide septic inspections, custom system designs, repairs, jetting, line cleaning, drainfield rejuvenation, and winter line thawing across the northwest metro, central Minnesota & the lakes areas.

After a summer of learning in the field, they’re headed back to school. 📚✏️Wishing all the students, teachers, school st...
09/03/2026

After a summer of learning in the field, they’re headed back to school. 📚✏️
Wishing all the students, teachers, school staff and parents a great school year!

08/28/2026

Before we can recommend a solution, we need to understand the problem.
Here’s a behind the scenes look at evaluating a mound system to see if is a good candidate for the EarthBuster.

There's nothing better than hearing that a customer felt informed, supported, and confident throughout the process. ⭐⭐⭐⭐...
08/26/2026

There's nothing better than hearing that a customer felt informed, supported, and confident throughout the process. ⭐⭐⭐⭐⭐

Thank you, Lisa & Chad, for your kind words and for trusting us with your septic system needs. We truly appreciate the opportunity to work with you!

08/19/2026

Not every septic design starts in a wide-open field.
Tight lake lots can make septic system placement tricky. That’s where careful planning, creative solutions, and smart design make all the difference.

08/13/2026

Before entering a septic tank, there’s a lot more involved than most people realize.
Today’s discussion: confined space entry and the equipment that helps keep us safe. 👷‍♂️

08/11/2026

Just out here giving drainfields a second chance. 🚜🌱


08/05/2026

One of them is doing the repairs. One of them is making sure he's doing them right. Which one is which is debatable. 🤔😆

07/27/2026

Some people ease into Monday…Others grab an auger and get after it.

07/16/2026

Not sure what's worse today—the heat, humidity, smoke, or the roots! 😅
Sometimes getting a good look at the soils during a compliance inspection takes a little extra effort. 🌱







07/14/2026

One minute she’s playing air drums in the work van. The next she’s helping collect samples for a commercial campground design. 😆
Sampling is an important part of an advanced septic design, giving us valuable information about the wastewater characteristics before designing a treatment system.

Address

Princeton, MN

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm

Telephone

+13206264422

Website

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