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Serving Montana, Northern Idaho & Southern Alberta
Septic & Wastewater · for Commercial

Commercial & Multi-Family

Lodges, subdivisions, restaurants, and multi-family sites need higher capacity and often multiple tanks in series. We build to the engineer’s design load and coordinate delivery on our own fleet.

What to know

Getting the spec right

A few things we’ll walk through with you.

Sized to design flow, not bedroom count
Multi-tank and dosing configurations
Grease interceptors & separators available
Traffic-rated for drive-over installations
Recommended sizes

Popular for Commercial & Multi-Family

A starting point — the full size list lives on the product page.

See all sizes
2,500 gal

2500 Gallon Septic Tank

1 compartment · 15'0" × 5'10" × 5'10"

2,500 gal

2500 Gallon 1650/850 Septic / Pump Chamber

2 compartments · 15'0" × 5'8" × 5'10"

6,000 gal

6000 Gallon Septic Tank

2 compartments · 22'0" × 6'6" × 6'6"

1,000 gal

1000 Gallon Interceptor / Separator Tank

2 compartments · 9'2" × 5'2" × 5'6"

Talk to a real person

Questions about Commercial & Multi-Family?

Tell us what you are building and we will point you to the right product, size, and lead time. No pressure, no bots.

(406) 752-7163
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Ready when you are

Let’s spec your next precast project

Send us the drawings, the dimensions, or just the idea. We will tell you what is possible, what it costs, and when we can set it.