50,000 Gallon Water Storage Tanks for Napa and Sonoma County

Tank Code XLE 40/02

US 50,000-Gallons

Diameter 35′ 2″

Height 7′ 2″



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    Napa Sonoma Water Tanks offer structural engineering suitable for rural, domestic and commercial applications using durable Zincalume Steel.


    Our exclusive PIONEER V-LOCK® is specifically engineered to maximize the strength of corrugated steel without damaging or stretching your liner when molded to the tank wall. Independent testing proves that the PIONEER V-LOCK® provides the ultimate shock absorption to prevent movement or sinking.


    Our standard sizes and capacities include our 20-year warranty on the tank and tank liner, along with the standard accessory options. We offer complete lines of accessories to expand the functionality of your water system, including fire drafting connection options approved for Napa and Sonoma County.

    Included Standard Accessories for 50,000 Gallon Water Tanks


    Pioneer Water Tanks include quality features with the option to upgrade and add accessories for multiple applications. The following features are included with every standard Pioneer Water Tank system.



    • Polyethylene outlet and shut off ball valve


    • Six-inch overflow drainage pipe with a flapper valve


    • Sacrificial Magnesium Anodes for extended protection through electrolysis


    • Access hatch and a removable ladder


    • Removable 1,000-Count food-grade nylon filter basket with a lid


    • Geotextile underlay protection for underneath the tank liner


    • Super Sealent food-grade foam seal for in between the roof and body

    Local Accredited Installation Network


    Our thorough accredited process for our local installation network ensures quality from the beginning to commissioning. The Pioneer Water Tanks’ proprietary installation process provides for an easy of installation with less time on site, minimal infrastructure, and construction personnel.


    The following is an installation video by a local accredited installer for a 50,000 Gallon water storage tank in Humboldt County.


    ZINCALUME® Steel Durability


    Pioneer Water Tanks’ are manufactured with Next generation ZINCALUME® steel with patented Activate® technology.


    ZINCALUME® Steel’s Activate® technology introduces magnesium into the aluminum-zinc alloy coating, improving galvanic protection by activating the aluminum. The result is a tougher protective coating that’s more resistant to scratches and scuffs encountered during construction that lasts 200% longer than Galvanized Steel.

    Customize Pioneer Water Tanks with COLORBOND® steel options. COLORBOND® steel improves the aesthetic of the tank with embedded color options, without compromising the quality of Steel.


    Exclusive AQUALINER® Fresh Tank Liner


    Pioneer Water Tanks’ AQUALINER® Fresh liner is BPA-free and NSF-61 certified for potable water storage to keep water fresh and clean for longer.


    Pioneer Water Tanks’ over 30-years of research and development produced the longest-lasting tank liner that is covered under our warranty.

    Pioneer Water Tanks in partnership with the Swiss Antimicrobial company, SANITIZED® have embedded antimicrobial technology into the top layer of the liner.


    This advanced technology enables the AQUALINER® Fresh tank liner to actively prevent the growth of biofilm and algae.

    Get Started

    CALL (916) 425-5205

    Our Standard Sizes of Pioneer Water Tanks

    Tank CodeUS GallonsDiameter
    XLE 10/0210,000-Gallons17′ 7″
    XLE 13/0215,000-Gallons19′ 9″
    XLE 15/0220,000-Gallons22′ 0″
    XLE 23/0230,000-Gallons26′ 4″
    XLE 30/0240,000-Gallons30′ 9″
    XLE 40/0250,000-Gallons35′ 2″
    XLE 50/0265,000-Gallons39′ 6″
    XLE 50/03100,000-Gallons39′ 6″

    Pioneer Water Tanks can also be customized to the project needs for diameter, height and capacity requirements.



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      10000 Gallon water tanks in Napa Sonoma





      Napa Sonoma potable drinking water storage tanks