3525 Gallon Underground Holding Tank
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.
