Waterspheroid® Elevated Tanks



CB&I developed the Waterspheroid® in 1954 as a larger-capacity alternative to our original Watersphere® tank. Today, the Waterspheroid is our most popular style of elevated water storage tank for capacities up to 1 MMG, providing reliable service to thousands of municipalities and industries. 

Waterspheroids are available with storage capacities of 150,000 to 2,000,000 gallons. The sleek design has low capital maintenance costs and a small footprint that requires minimal land use.

We provide complete engineering, procurement, fabrication and construction services for Waterspheroid tank projects. We utilize our own in-house resources to perform tank and foundation design, fabrication, construction and painting. This comprehensive approach helps us minimize costs, adhere to project schedules, control quality and reduce the customer's risk. 

Offering a Variety of Tank Features

Standard features for our Waterspheroid tanks include flush threshold steel doors with deadbolt locks to prevent unauthorized entry, and interior ladders to facilitate access during inclement weather. The tank bell or pedestal provides space that can be used for storage or as housing for telecommunications equipment, pumps, valves, piping and controls.

We offer a number of optional features, including decorative graphics and logos, cathodic and lightning protection, overhead doors, double personnel doors, stainless steel risers and overflows, tank drains, FAA lighting, intermediate platforms, instrumentation and telemetry. Contact: water@CBI.com 

Specification, Drawings and Brochure for Waterspheroid® Water Storage Tanks: 

Waterspheroid® Elevated Tank Specification
Waterspheroid® Elevated Tank Drawings
Waterspheroid® Elevated Tank Brochure

Capacity
(U.S. gallons)
Tank Diameter
(feet-inches)
Head Range
(feet-inches)
Pedestal Diameter
(feet-inches)
Standard Waterspheroid Tank Dimensions
150,000 35'-0" 30'-0" 8'-4"
200,000 39'-10" 30'-0" 8'-4"
250,000 42'-10" 32'-6" 8'-4"
300,000 46'-6" 32'-6" 8'-4"
400,000 50'-8" 40'-0" 10'-0"
500,000 55'-10" 40'-0" 10'-0"
600,000 58'-2" 40'-0" 11'-9"
750,000 64'-8" 40'-0" 11'-9"
1,000,000 74'-8" 40'-0" 15'-0"
1,250,000 79'-2" 45'-0" 15'-0"
1,500,000 86'-0" 46'-0" 18'-0"
2,000,000 93'-0" 52'-0" 18'-0"
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