3525 Gallon Plastic Multi-Use Underground Liquid Storage Tank

Manufacturer Part
Manufactured for underground performance, due to its virgin polyethylene plastic, this tank is capable of resisting soil chemicals. This cistern tank is ready to keep your potable water safe and clean. Also it's able to supports outlet pumping kit.

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

3525 Gallon Underground Cistern Water Storage Tanks

3525 gallon underground water tank or underground water cistern as they are often called is manufactured from linear polyethylene in one piece. seamless construction. 100% virgin polyethylene plastic this tank is designed for underground fresh potable water storage. and underground rainwater storage applications.
  • This tank must remain 1/4 full at all times when buried in the ground.
  • Ribbed Design For Maximum Support
  • Resin complies with U.S. Food and Drug Administration regulation 21 CFR 177.1520 (c) 3.1 and 3.2.
  • Be sure to vent your tank.
  • Riser Extensions Sold Separately
  • MAXIMUM BURIAL DEPTH - 24"" from the top of the tank.
  • 20" Lid
  • Outlet plumbing kit must be bought and installed separately.
  • Polyethylene is unaffected by soil chemicals so the tanks will not rust or corrode. Manufacturer ensures an environmentally safe cistern water storage tank.
Technical Drawings
View Product PDF

Key Specs
Gallon Capacity 3525
Lid Size 20"
Orientation Underground
Length 209"
Width 101"
Height 51"
Weight 1305lbs
Material Polyethylene
Manufacturer Norwesco
Manufacturer Part Number 44390
Warranty 3 years years
Shipping Height 51"
Shipping Length 209"
Shipping Weight 1305lbs
Shipping Width 101"
Ship Class OVS