Poly Plastic Water & Chemical Storage Tanks – FDA-Approved 330 Gallon Vertical Storage Tank

Our polyethylene storage tanks (also known as poly plastic tanks) are engineered for safe, long-term storage of potable water, rainwater, non-potable water, and soft industrial chemicals. Manufactured from high-density polyethylene (HDPE) that meets FDA requirements these tanks are UV-stabilized, corrosion-resistant, and impact-resistant, ensuring years of dependable use indoors or outdoors.

Perfect for residential, agricultural, and commercial applications, our rotationally molded, seamless one-piece tanks prevent leaks and contamination. 

Common Uses:

• Above-ground water storage tanks for homes, farms, and businesses

• Chemical storage tanks for fertilizers, liquid feed, and light industrial chemicals

• Rainwater collection tanks for irrigation or emergency supply

Key Features & Benefits:

• UV-resistant and corrosion-proof construction

• Seamless, leak-proof rotational molding

• Fittings and accessories available for custom setups

• Sizes ranging from small utility tanks to large bulk storage tanks

Whether you’re searching for a potable water tank, above-ground water tank, or soft chemical storage tank, our tanks deliver exceptional performance at an unbeatable value.

• • Tank Capacity: 330 Gallons

  • Material: HDPE

  • Specific Gravity: 1.0

  • Lid Size: 16" Threaded Lid With Breather

  • Top Fitting: 2" NPT Polypro Fitting

  • Bottom Fitting: 2" NPT Polypro Fitting

  • Available in Natural

  • Weight: 65 lbs.

  • Tank Dimensions: 48"D x 47"H

Custom Roto Molding is based in Caldwell, Idaho. All About Tanks is Happy to Scheduled Will Call Pickup Monday - Friday.

Norwesco Manufacturing will assign a Will Call Day and Time when the product is purchased with All About Tanks.

Custom Roto Molding offers a 5 Year Manufacturers Warranty

Norwesco offers a 3 Year Manufacturers Warranty