Best 500 Gallon Galvanized Stock Tank Options for Livestock Watering and Farm Use

If you’re choosing a galvanized stock tank, you want reliability, durability, and practical features that keep water accessible in cold months. This guide highlights five solid options that suit a range of farm sizes, climates, and budgets. Each product blends rugged steel construction with smart design ideas like de-icers, foam insulation, or rugged foam walls to help you keep livestock hydrated. The selection below elevates traditional stock tanks by focusing on performance, safety, and long-term value for American farms and homesteads.

Summary of chosen products

Product Capacity Key Feature Brand
Behlen Country 100-Gallon 100 gallons Floating de-icer for year-round use Behlen Country Store
Rubbermaid 100-Gallon 100 gallons RigidCell construction, USA-made Rubbermaid Commercial Products Store
Rubbermaid 150-Gallon 150 gallons RigidCell construction, USA-made Rubbermaid Commercial Products Store
Oval Dura 70-Gallon WT216 70 gallons Compact oval design DIY/Brand unspecified
Behrens 10.5 Gal Oval 10.5 gallons Hot-dipped steel with zinc finish Behrens Store

Behlen Country 100-Gallon Galvanized Tank With De-Icer

Behlen Country 100-Gallon Galvanized Stock Tank with De-Icer

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This stock tank combines a 100-gallon galvanized steel basin with a built-in 1,500W floating de-icer. The de-icer is thermostatically controlled to run only when temperatures drop, helping to prevent ice formation while saving electricity. The 20-gauge galvanized steel housing offers corrosion resistance, ensuring longevity in barns, pastures, or fenced yards. It’s designed to keep water accessible for livestock through winter and can be a practical, year-round watering solution where space and reliability matter.

Rubbermaid 100-Gallon Structural Foam Stock Tank

Rubbermaid Commercial Products Stock Tank 100-Gallons

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Rubbermaid’s 100-gallon stock tank uses rigidCell structural foam construction for durability in varied weather. The tank is designed to resist impact and wear while withstanding different elements found on farms or ranches. It carries a strong warranty and the manufacturer emphasizes American-made production, reflecting a commitment to quality and consistent performance over time. This option is well-suited for operators seeking a reliable, low-maintenance watering container without extra frills.

Rubbermaid 150-Gallon Stock Tank

Rubbermaid Commercial 150-Gallon Stock Tank

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This 150-gallon option from Rubbermaid features the same durable Structural Foam construction and a USA-made pedigree. Its larger capacity makes it a fit for bigger herds or properties with higher water demands. The tank is designed for harsh outdoor conditions, offering a robust solution for livestock hydration, feeding, and even seasonal pool or wash applications on the farm. The emphasis is on longevity and a straightforward maintenance profile.

Oval Dura 70-Gallon Stock Tank, WT216

Oval Dura 70-Gallon Stock Tank WT216

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The Oval Dura WT216 model offers a compact 70-gallon capacity with an oval footprint designed to fit tighter spaces while remaining sturdy for livestock watering. The design emphasizes ease of cleaning and practicality for smaller operations or paddocks where space is a premium. While not as large as some other options, its durability and shape make it a flexible choice for diverse farm layouts.

Behrens Tub 10.5-Gallon Oval Galvanized

Behrens Tub 10.5 Gallon Oval Galvanized

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Behrens’ 10.5-gallon oval galvanized tub provides a smaller, highly portable option for calving, piglet care, or pet cleaning stations that require quick water access. Finished with hot-dipped steel construction and a classic zinc sheen, this tub is ideal for lightweight tasks, small paddocks, or as a supplementary water station connected to a larger system. Its compact size makes it easy to move between locations as needs shift across seasons.

Buying Guide: Key Purchase Considerations

When selecting a galvanized stock tank, consider capacity needs, climate, and maintenance load. For northern regions with winter cold snaps, a built-in de-icer or the option to add one is a major plus, reducing ice-related water access issues. In hot climates or dry seasons, foam insulation or well-sealed rims help minimize evaporation and curb algae growth. Material quality matters: 20-gauge steel and robust zinc coatings resist corrosion, extending lifespan in barns, pastures, and damp environments.

  • Capacity vs. herd size: Larger herds benefit from 150 gallons and above, while smaller operations may suffice with 70–100 gallons.
  • De-icing and temperature management: Floating de-icers provide year-round reliability but check wattage and thermostatic control to balance energy use and effectiveness.
  • Durability and warranty: Structural foam tanks have different impact resistance compared to traditional steel; USA-made options often align with strict manufacturing standards and brand support.
  • Maintenance and cleaning: Smooth interiors, compatible drain options, and easy cleaning surfaces reduce time spent on upkeep.
  • Placement and space: Consider footprint, access, and whether the tank needs to double as a feeder or wash station to optimize layout.

For buyers prioritizing longevity, a 100–150 gallon model with corrosion-resistant steel and a reputable de-icer option tends to offer a compelling balance of capacity, resilience, and energy efficiency. Smaller tanks are useful for specialized tasks or portable watering stations, while larger tanks require more space and more robust support structures to ensure stability in windy or uneven terrain.