Industrial-Grade Durability for Residential & Commercial Reliability
When it comes to securing your liquid assets, USA Tank provides the heavy-duty engineering required for long-term peace of mind. This 330 gallon horizontal water tank is manufactured from high-density, rotationally molded polyethylene, ensuring a seamless construction that eliminates weak points. Designed specifically for those who prioritize durability, this 330 gallon horizontal water storage tank features a 1.2 specific gravity rating and built-in UV inhibitors. Whether you are a homeowner prepping for natural disasters, a rancher managing livestock hydration, or a contractor requiring mobile water transport, our tanks are built to withstand the harsh Texas sun and rugged outdoor environments without cracking or leaking.
While horizontal leg tanks offer a low profile for stability during transport, many of our customers also find that a vertical water tank is an excellent stationary alternative for smaller footprints. At USA Tank, we are committed to providing more affordable, higher-quality solutions than the competition, ensuring you never have to compromise on the safety of your water supply.
Versatile Solutions for Emergency Prep and Water Management
Investing in a 330 gallon horizontal water storage tank is a critical step for comprehensive emergency preparedness and septic system maintenance. Its black pigment is not just for aesthetics; it actively blocks light penetration to suppress algae growth, making it an ideal choice for potable water and long-term storage. Beyond emergency use, this 330 gallon horizontal water tank serves as a versatile workhorse for chemical processing and rainwater harvesting.
As industry experts, USA Tank understands that every project has unique demands. We don't just sell hardware; we provide specialized service-oriented guidance to ensure you get the right fit for your specific residential or commercial needs.
Ready to secure your storage solution? Contact our expert team today for a custom quote or shipping details!
330 Gallon Horizontal Water Tank
Polyethelene (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: Black
Horizontal Leg Tanks are for storage and are not to be pressurized.
Frequently Asked Questions
What makes the 330 gallon horizontal water tank suitable for long-term outdoor use?
Our tanks are manufactured with high-density polyethylene that includes specialized UV inhibitors. This protects the structural integrity of the poly material and prevents the tank from becoming brittle or cracking when exposed to direct sunlight over several years.
Can this 330 gallon horizontal water storage tank be used for transporting liquids?
Yes, the horizontal leg design is specifically engineered for stability. The integrated molded-in legs allow for secure tie-down points, making it a reliable choice for mounting on trailers or truck beds for mobile water or chemical transport.
Does the black color of the tank offer any specific benefits for water quality?
The solid black color is designed to block nearly all light transmission. By preventing sunlight from reaching the interior, the tank naturally inhibits the growth of algae, which is essential for maintaining clean water for residential or agricultural use.
Is this horizontal tank compatible with chemicals or just potable water?
While frequently used for water, this tank is built with a 1.2 specific gravity rating, making it compatible with a wide range of agricultural and industrial chemicals. We recommend consulting our experts if you are storing highly corrosive substances to ensure the best material match.
Top Rated 330 Gallon Horizontal Water Tank by USA Tank
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"

















