1000 Gallon Plastic One Compartment Septic Tank - IAPMO Certified

Manufacturer Part

A single-compartment septic tank primarily used for wastewater storage, offering a lightweight, cost-effective alternative to traditional concrete septic tanks.

Accuracy of the images may vary. Refer to the specifications table to ensure precision.

1000 Gallon Plastic One Compartment Septic Tank - IAPMO Certified

The 1000 Gallon Plastic One Compartment Septic Tank is a reliable sewage containment solution designed for residential and commercial use. Crafted from high-quality plastic through rotational molding, it ensures durability and resistance to corrosion, making it suitable for underground installation. The tank features a single compartment, optimizing space efficiency while accommodating a large capacity of 1000 gallons. Its design incorporates IAPMO certification, ensuring compliance with rigorous industry standards for safety and performance. 

  • Must be left 1/4 full at all times including installation
  • Rib design and placement provide superior structural integrity to the tank.
  • Lightweight - it can be transported to the job site in a pickup truck and carried by just two people.
  • Rotationally molded, rugged, one-piece tank with no seams to leak.
  • Polyethylene is unaffected by soil chemicals or sewage gases.
  • Strict quality guidelines ensure an environmentally safe septic tank.
  • Schedule 40 plumbing connections, standard for all local installers and contractors.
  • Riser extensions are not included.
  • This item is great for shipment due to its indestructibility.

Disclaimer: Tank is for below ground use only.

Across the United States there are a number of health code requirements that our tanks must meet. These codes are regulated by the state. or county where you are located. To aid you in determining which tank you need. please consult with your local health department.

Installation Video:

Frequently Asked Septic Tank Questions

1. Can I install a septic tank under a driveway?

  • No. installing the plastic septic tank under a driveway is not permitted and will void the warranty. Do not locate tanks beneath driveways or in the pathway of heavy or vehicular traffic areas.

2. Is there a sand/gravel mixture recommended for bedding/backfill?

  • Yes. the sand/gravel mixture. commonly called pea gravel mixture is recommended.

3. Can I use a septic tank above ground?

  • Underground plastic septic tanks are designed for below ground use only. Using the tanks above ground can result in deformation of the tank. It is far more cost-effective to utilize an above ground storage tank that is specifically designed for above ground use and applications.

4. Can hot water be stored in plastic septic tanks?

  • Do not subject the tank to water temperature higher than 100 deg F. polyethylene storage tanks have a maximum storage temperature of 120 deg F. Contents with a temperature in excess of 120 def F. even for a short period of time. can weaken the tanks structural integrity and make it susceptible to deformation and failure.

5. How do you access an underground plastic septic tanks?

  • Each plastic septic tank comes equipped a manhole access hatches. In addition. risers can be added to the top of the tank providing ground level access. Without a riser you would need to dig up the soil above the manway to gain accessibility.

6. Can I pick up a plastic septic tank nearby?

  • In many cases yes. To pick up a plastic septic tank and save on freight. requires you placing your order. Upon being notified that the tank is ready for pick-up. We will provide you with a 6 digit trip # which allows you go and pick up your tank M-F 8:30 am - 2:30 pm. We and the local manufacturers appreciate the opportunity to provide local pick and the cooperation required for the process to be efficient.


Key Specs
Gallon Capacity 1000
Lid Size 20"
Length 102"
Width 60"
Height 63"
Weight 311lbs
Material Polyethylene
Manufacturer Norwesco
Manufacturer Part Number 44473
Warranty 3 years
Shipping Height 63"
Shipping Length 102"
Shipping Weight 311lbs
Shipping Width 60"
Ship Class LTL