
HEAVY DUTY POLY SEPTIC TANKS
THE BEAST HAS COME TO THE NORTHEAST.
Built for demanding septic installations, The Beast® combines heavyweight polyethylene construction, installation-friendly features and a lifetime warranty.


HEAVY DUTY. INSTALLER FRIENDLY. BUILT TO LAST.
The Beast® is the heavy duty poly septic tank available through GroupOne Northeast. It gives contractors a durable alternative to traditional concrete tanks while simplifying transport and installation in challenging locations.
WHY CONTRACTORS CHOOSE THE BEAST
HEAVIEST POLY TANK
Designed as the heavyweight poly option for demanding septic applications.
RESISTS SULFURIC ACID DECAY
Poly construction resists the sulfuric acid decay that can break down concrete over time.
PRE-ASSEMBLED PLUMBING
Piping is already in the tank and ready for installation.
READY FOR TOUGH ACCESS
A practical choice for wet areas and locations where crane trucks cannot go.
UP TO 48-INCH BURIAL DEPTH
Maximum burial depth is 48 inches to the top of the tank.
LIFETIME WARRANTY
Backed by the lifetime warranty described in The Beast product literature.
BUILT FOR THE JOBSITE
The Beast is designed around the realities of septic installation - not just what looks good on paper.
- No water or gravel backfill necessary
- Install with native, free-flowing soil
- 48" Bury Depth
- Pre-assembled plumbing
- Available in multiple capacities
- Lifetime Warranty
CHOOSE THE BEAST THAT FITS THE JOB.
The Beast® heavy duty poly septic tank line is available from 300 through 1,500 gallons. Compare capacities, dimensions and weights below, then call GroupOne Northeast for availability and installation information.

AVAILABLE TANK SIZES & SPECIFICATIONS
All dimensions are Length × Width × Height.
300 GALLON
56.25" L × 56.25" W × 51.25" H
WEIGHT: 199 lb.
View Specifications
500 GALLON
90" L × 67" W × 41" H
WEIGHT: 250 lb.
View Specifications
750 GALLON
88.5" L × 61.5" W × 55.75" H
WEIGHT: 307 lb.
View Specifications
NEED HELP WITH SIZING?
Call GroupOne Northeast to discuss the right Beast tank for your project and current availability.
INSTALLATION ADVANTAGES
48" MAXIMUM BURY DEPTH
Maximum bury depth is 48 inches to the top of the tank.
NO WATER OR GRAVEL BACKFILL
No water or gravel backfill is necessary.
NATIVE, FREE-FLOWING SOIL
Install using native, free-flowing soil.
PRE-ASSEMBLED PLUMBING
Plumbing is pre-assembled and ready for installation.
NEED HELP CHOOSING THE RIGHT BEAST?
Call GroupOne Northeast for tank availability, sizing and installation information.
THE BEAST VS. CONCRETE
Seven rounds. One heavyweight poly septic tank.


ROUND 1 - WEIGHT
What poly tank is the heaviest on the market? The Beast.
ROUND 2 - MATERIAL
Which tank is resistant to sulfuric acid decay from certain chemicals? The Beast.
ROUND 3 - INSTALLATION
Which tank comes pre-assembled with piping already in the tank and ready to install? The Beast.
ROUND 4 - ACCESS
What tanks are used in wet areas where no crane trucks can go? The Beast.
ROUND 5 - THE NAME
Which is a registered trademarked tank? The Beast.
ROUND 6 - STRENGTH
Which tank will implode over time? Neither. The Beast is too strong.
ROUND 7 - WARRANTY
Which tank is backed by a lifetime warranty? The Beast.
THE BEAST HAS KNOCKED OUT THE CONCRETE COMPETITION IN 7 ROUNDS!
BRING THE BEAST TO YOUR NEXT JOB.
Talk with GroupOne Northeast about tank sizes, availability, installation requirements and distributor information.