Our loaf tanks (also known as rectangular polyethylene tanks) are engineered for applications where a rectangular shape is preferred or required due to space constraints, dimensional limits, or mounting needs. Their boxy, low-profile design maximizes volume in tight or confined areas—making them a smart choice for stationary storage, truck beds, trailers, equipment bays, or custom installations.These versatile tanks excel at holding potable water, agricultural chemicals, industrial liquids, and are especially popular for pressure washing setups, where clean water access and compact fit are essential.Key features include:
Molded-in grooves (baffle-like channels or tie-down ridges) for secure strapping, easy tie-down with bands or ratchet straps, and added structural strength.
Seamless rotational-molded polyethylene construction for superior durability, impact resistance, and leak-proof performance.
Often available in translucent white for visual level checking, with options for UV protection and food-grade materials suitable for potable use.
Compact rectangular footprint that fits efficiently in restricted spaces without wasting capacity.
Ideal for mobile pressure washers, RV fresh water storage, farm chemical mixing, emergency water reserves, or any setup needing a space-saving rectangular tank. The molded grooves simplify secure mounting on vehicles, skids, or platforms, reducing movement during transport.Browse our selection of loaf tanks for rugged, practical rectangular polyethylene solutions that adapt to your exact dimensional and application requirements.
The 300 Gallon Doorway Water Tank - Natural White (29" x 50") (MPN N-41527) is a one-piece rotomolded high-density polyethylene tank engineered for above-ground potable and non-potable water storage in residential, agricultural, and rural...
The Norwesco 300 Gallon Doorway Tank (MPN 41527) is a polyethylene atmospheric storage tank used in general bulk-liquid service across industry and agriculture.DesignOne-piece rotomolded polyethylene constructionAtmospheric (non-pressurized) service...
The Norwesco 500 Gallon Black Loaf Tank (MPN 43843B) is a one-piece rotomolded HDPE tank built to ASTM D1998 standards for atmospheric polyolefin storage vessels.DesignOne-piece rotomolded polyethylene constructionAtmospheric (non-pressurized) service...
The 400 Gallon Doorway Water Tank (MPN N-43856) is a rotomolded HDPE atmospheric water-storage vessel used by homesteaders, ranchers, fire-protection districts, and rural water cooperatives where municipal supply is intermittent, unavailable, or...
The 400 Gallon Green Doorway Water Tank (MPN N-44361) is a rotomolded HDPE atmospheric water-storage vessel used by homesteaders, ranchers, fire-protection districts, and rural water cooperatives where municipal supply is intermittent, unavailable, or...
The Norwesco 400 Gallon Doorway Tank (MPN 43856) is a polyethylene atmospheric storage tank used in general bulk-liquid service across industry and agriculture.DesignOne-piece rotomolded polyethylene constructionAtmospheric (non-pressurized) service...
The 500 Gallon Doorway Water Tank (31" x 68") (MPN N-41538) is a vertical above-ground water tank designed for whole-house cistern, livestock watering, irrigation buffer, and fire-protection auxiliary supply applications.DesignFDA-listed resin...
The 500 Gallon Doorway Water Tank - White (31" x 70") (MPN N-43616) is a one-piece rotomolded high-density polyethylene tank engineered for above-ground potable and non-potable water storage in residential, agricultural, and rural...
The 750 Gallon Doorway Water Tank (MPN N-44310) is a rotomolded HDPE atmospheric water-storage vessel used by homesteaders, ranchers, fire-protection districts, and rural water cooperatives where municipal supply is intermittent, unavailable, or...
The 1000 Gallon Doorway Water Tank (MPN N-44045) is a one-piece rotomolded high-density polyethylene tank engineered for above-ground potable and non-potable water storage in residential, agricultural, and rural municipal-water service.DesignNSF/ANSI...
The Norwesco 1050 Gallon Plastic Portable Loaf Utility Tank in White (MPN N-44936) is a one-piece rotomolded HDPE tank built to ASTM D1998 standards for atmospheric polyolefin storage vessels.DesignOne-piece rotomolded polyethylene...
The Norwesco 1050 Gallon Plastic Portable Loaf Utility Tank in Black (MPN N-42306) is a polyethylene atmospheric storage tank used in general bulk-liquid service across industry and agriculture.DesignOne-piece rotomolded polyethylene...