If you need a reliable stock tank water trough for livestock, pets, or DIY pools, this guide highlights five top options. Each product section explains who it’s best for, why it was selected, and practical cautions. Use the buying guide to compare sizes, materials, and durability to fit your setting, whether you’re managing a small homestead or a larger farm operation.
Summary of chosen products:
| Product | Capacity | Material | Best For | Why It Stands Out |
| Rubbermaid Stock Tank 100-Gal | 100 gallons | Structural foam | Large yards, cattle, horses | Durable, USA-made, long warranty |
| Rubbermaid Stock Tank 50-Gal | 50 gallons | Structural foam | Small tablets of water for a few animals | Compact and sturdy for limited spaces |
| Rubbermaid Stock Tank 300-Gal | 300 gallons | Structural foam | Bigger herds, shared watering | High capacity, heavy-duty design |
| Behlen Country 27-Gal Stock Tank | 27 gallons | Rigid polyethylene | Small farms, goats, poultry | Lightweight, reinforced core design |
| Little Giant 40-Gal Oval Tank | 40 gallons | Polyethylene | versatile feeding/watering | Ergonomic oval design, durable resin |
Rubbermaid Stock Tank 100-Gallon

Product: Rubbermaid Commercial Products Stock Tank 100-Gallons Structural Foam Heavy Duty Container for Livestock/Animal/Cattle Feed & Water Outdoor Homemade Pool/Hot Tub/Bathtub & Pet Cleaning/Dog Wash
Best for: Large yards with multiple animals or households needing ample water storage. This 100-gallon model suits cattle, horses, and larger dogs where bigger water capacity reduces refilling frequency.
Why chosen: It uses a durable rigidcell construction for weather resistance and comes with a category-leading 10-year limited warranty. It’s proudly made in the USA, supporting domestic manufacturing and availability for farm operations.
Caution: As a large, rigid container, it’s heavier to move and clean. Plan for stable placement and accessible drainage when cleaning or refilling.
Rubbermaid Stock Tank 50-Gallon

Product: Rubbermaid Commercial Products Stock Tank, 50-Gallons, Structural Foam, Heavy Duty Container, for Livestock/Animal/Cattle Feed & Water, Outdoor Homemade Pool/Hot Tub/Bathtub, & Pet Cleaning/Dog Wash
Best for: Small to mid-size farms or homesteads needing a balance between capacity and manageability. The 50-gallon tank handles water for several animals without being overly bulky.
Why chosen: It shares the same durable construction and USA manufacturing as the 100-gallon model, plus a strong warranty. It’s easier to handle for routine tasks like refilling and cleaning compared with the 100-gallon option.
Caution: The size is still substantial; ensure your setup has adequate space and a level surface for best stability.
Rubbermaid Stock Tank 300-Gallon

Product: Rubbermaid Commercial Products Stock Tank 300-Gallons Structural Foam Heavy Duty Container for Livestock/Animal/Cattle Feed & Water Outdoor Homemade Pool/Hot Tub/Bathtub & Pet Cleaning/Dog Wash
Best for: Larger operations or households with higher water demands, such as multiple cattle, horses, or community watering stations on a farm.
Why chosen: The 300-gallon version provides maximum capacity with the same durable construction and USA manufacturing. It minimizes refilling frequency in high-demand environments.
Caution: Large tanks may require robust mounting and easier access to drains. Ensure the setup can accommodate the weight when full and during cleaning.
Behlen Country 27-Gallon Rigid Stock Tank

Product: Behlen Country 27 Gallon Rigid Poly Stock Tank | Durable Polyethylene Livestock Water | Heavy-Duty Livestock Water Trough
Best for: Small farms, goats, sheep, or poultry setups needing a lightweight, durable trough with manageable capacity.
Why chosen: Poly construction offers easy handling and resistance to impact, with a reinforced core design for stability in routine watering tasks. The 27-gallon size balances capacity with ease of transport.
Caution: Poly stock tanks can be less stiff than rigid foam models when completely full; ensure proper support to avoid flexing or warping in uneven ground.
Little Giant Oval Stock Tank 40-Gallon

Product: Little Giant Poly Oval Stock Tank | Water Trough | Heavy Duty Feeding & Watering Trough for Livestock | 40 Gallons
Best for: Homeowners needing an ergonomic, space-efficient trough for water or food with flexible usage for multiple small animals or garden ponds.
Why chosen: The oval design minimizes corner stress and includes a molded rim for easy handling. The durable polyethylene resin resists warpage and cracking under typical farm conditions.
Caution: For very windy outdoor areas, securing the tank or placing it on a slightly elevated base helps prevent tipping or shifting during rain or wind.
Buying Guide: Stock Tank Water Trough Essentials
What capacity should you choose? Start with your herd size and daily water needs. Smaller tanks (27–50 gallons) work well for goats, sheep, or a few horses, while 100–300 gallons suit larger livestock or shared pastures.
What material matters? Structural foam tanks are highly durable and retain shape under weather changes. Polyethylene tanks are lighter and easy to move, ideal for smaller farms or temporary setups.
Is installation important? Pick a level, stable surface with good drainage. If you’re using large tanks, plan for secure placement and an accessible spout or drain for cleaning.
What about maintenance? Consider tanks with smooth interiors to prevent residue buildup. Systems like stock tank cleaners may help maintain clarity and reduce odors between refills.
Which features help longevity? Look for reinforced cores, UV resistance, and USA manufacturing if domestic support or warranties are important for you. A 10-year warranty reflects strong durability expectations for heavy daily use.
FAQ
- What size stock tank is best for a single horse? A 50–100 gallon tank is typically adequate for one horse, depending on the climate and water intake.
- Are plastic tanks safe for livestock? Yes, high-density polyethylene tanks are widely used and can be durable when designed for livestock water.
- Do stock tanks require drainage? Yes, a drain or bottom access simplifies cleaning and refilling, especially for large tanks.
- Should I choose fixed or portable stock tanks? Portable tanks are easier for seasonal use or small setups; fixed tanks are better for high-use locations with heavy traffic.
- What maintenance helps prevent algae growth? Regular water changes, cleaning solids, and occasional use of water-friendly treatments can help keep water clear and safe.
- Do stock tanks come with warranties? Many durable models offer warranties; check the specific product page for details.
