500 Gallon Plastic Septic Pump Tank

Manufacturer Part
This seamless and non-plumbed tank is for underground use only. Manufactured with Polyethilene, these type of tanks are unaffected by soil chemicals and will not erode easily. Strict quality guidelines ensure an environmentally safe septic tank.

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

500 Gallon Pump / Dosing Tank - 1 Manway

  • Non Plumbed Tank (Tank does not come pre plumbed)
  • 20" Manway with watertight lid
  • Pump stand molded into the bottom
  • Important Note: Tank may be completely drained & left in the ground empty. No water is required during backfill.

    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.

    Septic Tank Standards:

  • Rotationally molded. one-piece. seamless. watertight tank.
  • Polyethylene is unaffected by soil chemicals. sewage gases.
  • Polyethylene tanks will not rust or erode.
  • Strict quality guidelines ensure an environmentally safe septic tank.
  • Riser extensions not included
  • Great item for shipment; indestructible.
  • Height to the inlet 56"
  • Height to the outlet 53"

  • Technical Drawings
    View Technical Drawing

    Key Specs
    Diameter 64"
    Gallon Capacity 500
    Lid Size 20"
    Shape Spherical
    Length 64"
    Width 64"
    Height 67"
    Weight 174lbs
    Material Polyethylene
    Manufacturer Norwesco
    Manufacturer Part Number 40785
    Warranty 3 years years
    Shipping Height 67"
    Shipping Length 64"
    Shipping Weight 174lbs
    Shipping Width 64"
    Ship Class LTL