Whether you’re planning or managing daily tasks, having a reliable water supply makes everything easier. This 330g horizontal water tank combines strength and versatility in a compact, easy-to-handle design. Its thoughtful construction keeps it stable and durable while still allowing for simple placement and relocation as needed. Perfect for a wide range of settings, this USA Tank product provides peace of mind and flexibility, giving you water when and where you need it most.
Ample Capacity for All Your Water NeedsWith its generous 330-gallon capacity, this 330g horizontal water storage tank provides plenty of water for irrigation, livestock, emergency reserves, or everyday household use. Its large volume makes it a dependable choice for homeowners, professionals, and farms alike. If larger-scale storage needs arise, this tank can easily be paired with a 1000 gallon poly tank, giving you even more capacity without compromising on convenience or space.
Built-In Legs for Stability and SafetyThe tank’s molded-in legs provide secure support, keeping it firmly in place on concrete, gravel, or trailer beds. This design lowers the center of gravity, reducing tipping risks and making setup straightforward and safe. It also complements a vertical water tank perfectly for multi-tank systems that expand your storage options.
Portable and Easy to MoveDespite holding over 300 gallons, this 330g horizontal water storage tank is lightweight enough to relocate without heavy machinery. Whether repositioning it for seasonal use or moving it around a property or job site, its portability ensures maximum flexibility without compromising durability.
Never Run Out of Water AgainBe prepared for any scenario—rainwater collection, irrigation, livestock, or emergencies. This 330g horizontal water tank offers reliable storage, stable design, and easy portability, making water management effortless and worry-free.
330 Gallon Horizontal Water TankPolyethelene (Poly) Tank
1.2 Specific Gravity
Constructed with durable, rotationally molded polyethyelene resin
Resistance to cracks, chips, and ruptures
UV inhibitors to protect liquid contents from direct sunlight
Indoor and outdoor use
Color: Green
Horizontal Leg Tanks are for storage and are not to be pressurized.
Frequently Asked Questions (FAQs)
How much space do I need to install the 330g horizontal water storage tank?Thanks to its horizontal design, the tank sits low and stable, making it suitable for areas with limited vertical clearance. You should have a flat surface slightly larger than the tank’s footprint—like concrete, gravel, or a trailer bed—for safe and secure installation.
Can I use this tank with other tanks for larger storage?Yes! The 330g horizontal water tank works well alongside other tanks, including vertical water tanks or even a 1000-gallon poly tank, to create multi-tank systems for expanded water storage.
Does this tank require maintenance?Maintenance is simple. Periodically check the tank for debris, rinse the interior if storing potable water, and ensure fittings and connections are secure. The UV-stabilized polyethylene material helps protect it from sun damage, so it maintains durability with minimal upkeep.
Is the 330 gallon horizontal water tank suitable for outdoor, year-round use?
Yes. This tank is made from UV-stabilized, rotationally molded polyethylene, which resists cracking, chips, and sun damage, making it suitable for both indoor and outdoor year-round water storage. However, it’s still best to place it on a flat, stable surface and protect fittings if freezing temperatures are expected.
330g Horizontal Water Tank (GREEN)
10-OFF
Gallon Capacity 330 Lid Size
8" Max Temperature
140F Shape
Horizontal Specific Gravity
1.2 Weight 107lbs Material Polyethylene Warranty 3 years Length 69" Width 38.5" Height 40.5"

















