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Underground Plastic Water Holding Tanks

Potable Water Cistern

Underground Cistern Tank

These plastic water holding tanks are manufactured from linear polyethylene with a one-piece seamless construction. The rugged, ribbed design offers superior strength for underground plastic water holding tanksinstallation. Suitable for potable water, this cistern is manufactured with resin that complies with the FDA 21 CFR 177.150 (c) 3.1 and 3.2 Regulation.

Ideal for vacation homes, resorts, campgrounds, and construction sites, this plastic water holding tank is lightweight and easy to both transport and install. The self-locking cover keeps your water safe while stored.

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Underground Water Storage Tank
Technical Specifications

Part Number Capacity (gal./L) Dimensions (in/m)
TN5451WT 325/1230.26 54D x 51 (1.4D x 1.3)
TN6464WT 550/2082 64D x 64 (1.6D x 1.6)
TN600XWT 600/2271.25 101 x 51 x 58 (2.6 x 1.3 x 1.5)
TC1000WT 1000/3785.4 86 x 65 x 68 (2.2 x 1.7 x 1.7)
TN1200WT 1200/4542.5 102 x 60 x 58 (2.6 x 1.5 x 1.47)
TC1250WT 1250/4731.8 86 x 76 x 68 (2.2 x 1.9 x 1.7)
TN1700WT 1700/6435.2 143 x 55 x 66 (3.6 x 1.4 x 1.7)



  • Linear Polyethylene
  • One-Piece Seamless Construction
  • Ribbed Design
  • Self-Locking Covers
  • Store Potable Water


Typical Plastic Tank Applications:

  • Campgrounds
  • Resorts
  • Vacation Homes
  • Construction Sites


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