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Fiberglass Storage Tanks

New 5 Year Warranty Program!

Because the quality & product integrity of Worthington’s fiberglass tanks are 2nd to none, they are confident in offering an unprecedented 5 year warranty program to give you peace of mind when choosing the right fiberglass storage solution to fit your needs. This is the longest warranty of anyone to date.
fiberglass tanks

Fiberglass Storage Tanks

Custom options available for your specific application including:

  • Designed to eliminate the effects of fertilizer and chemical corrosion, providing long term performance.
  • Fiberglass tanks do not rust like mild steel tanks.
  • Seamless one piece construction. Up to 42,000 gallon storage capacity.
  • Designed to store your specific product and storage environment.
  • Fiberglass cost less compared to stainless steel tanks.
  • NEW Feature: Stainless steel man-way bolts
    are a standard offering on all Ag tanks!


fiberglass vertical flat bottom tanks





fiberglass tanks one
  • Manways to provide easy access to the interior of the tank.
  • Sight gauges to monitor inventory levels.
  • Lifting lugs for unloading tanks and positioning the tank on the ground.
  • Threaded or flanged molded couplings.
  • Gel coated exterior for maximum UV protection.
  • Vents sized to match the discharge fittings.
  • Color options of white or grey.
  • Seismic capabilities.
  • Available in various shapes including vertical flat bottom, horizontal or vertical leg tanks, sloped bottom and cone shaped construction.


Fiberglass Tanks

Poly - Water Tanks

Poly - Agricultural Tanks

Poly - Septic Tanks

Stainless Steel Tanks


Brochures and Specs

pdf Fiberglass Tank Fitting
Layout Template

pdf Fiberglass Tank Warranty Flyer

pdf Fiberglass Ag Brochure



Made in USA








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Stockton - 1040 W. Charter Way, Stockton, California 95206 | TF - 800-922-7253 | PH - 209-464-9493 | Fax 209-464-7386
Fresno - 3766 S. Bagley Avenue, Fresno, California 93725 | TF - 800-532-0253 | PH - 559-486-4744 | Fax 559-486-3965
Salinas - 21930 Rosehart Way, Salinas, CA 93908 | TF - 844-755-2410 | PH - 831-585-1414 | Fax - 831-585-1410
Yuma - 4285 Gila Ridge Road, Yuma, Arizona 85365 | TF - 800-752-2636 | PH - 928-317-2670 | Fax 928-317-2671