Plastic Water Storage Tanks | HDPE Vertical Tanks | 5 Year Manufacturer Warranty |

Plastic Water Storage Tanks | HDPE Vertical Tanks  | 5 Year Manufacturer Warranty |
Plastic Water Storage Tanks | HDPE Vertical Tanks  | 5 Year Manufacturer Warranty |
  • Material Composition: FDA-Approved, NSF-Approved HDPE (BPA-Free)
  • Capacity Range: 100 to 10,000 Gallons
  • Compliance: Food-Grade; Potable Water Compatible
  • Closures: Vented Screw-On Lids with Bulkhead Fittings
  • Configuration: Vertical Above-Ground Storage Tanks
Plastic water storage tanks are vertical containment systems engineered for above-ground storage of potable and non-potable water. Manufactured from high-density polyethylene (HDPE), these tanks are designed for durability, UV resistance, and long-term outdoor use. Available in capacities ranging from 100 to 10,000 gallons, they support residential, agricultural, and commercial water storage applications. Standard configurations include vented lids, inlet bulkheads, and outlet fittings for controlled flow. These tanks are used for rainwater collection, irrigation, and general water supply systems, with material compliance supporting safe use in drinking water environments.
Product Comparison Chart
Capacity (Gallons) Diameter (inches) Height (inches) Material Lid Type Fittings
100 30 42 HDPE Screw-On Vented Lid Inlet + Outlet Bulkhead
250 36 67 HDPE Screw-On Vented Lid Inlet + Outlet Bulkhead
500 48 71 HDPE Manway Cover Inlet + Outlet Bulkhead
1000 75 65 HDPE Screw-On Vented Lid Inlet + Outlet Bulkhead
2500 96 95 HDPE Manway Cover Inlet + Outlet Bulkhead
5000 102–140 92–158 HDPE Manway Cover Inlet + Outlet Bulkhead


HDPE vertical water tanks from 100–10,000 gallons, food-grade compliant, UV-stabilized, with standard inlet/outlet fittings. Used for rainwater collection, irrigation, and general storage. Selection depends on capacity, space, and plumbing setup.

Plastic water tanks in this category are primarily vertical, cylindrical units designed for static, above-ground installation. The vertical orientation reduces footprint while maximizing storage volume, making them suitable for residential and commercial sites with limited space. Tanks include top-mounted manway openings or vented lids for access and airflow regulation. Inlet bulkhead fittings are typically positioned near the top for water entry, while outlet bulkheads are located at the base to allow gravity-fed discharge or pump-assisted transfer. Lid types vary by tank size, with larger tanks incorporating wider manway openings for maintenance access. Some configurations include pre-installed threaded fittings compatible with standard plumbing connections. The design supports both standalone use and integration into larger water collection systems.

These tanks are manufactured from high-density polyethylene (HDPE), a thermoplastic polymer known for its chemical resistance, impact strength, and UV stability. The resin formulation includes UV inhibitors to reduce degradation from prolonged sun exposure. Wall thickness varies by tank size and capacity, with larger tanks using thicker walls to handle increased hydrostatic pressure. HDPE is non-corrosive and does not require internal coatings or linings. The material is suitable for potable water applications due to its FDA and NSF compliance. Color options such as black and dark green are used to limit light penetration, which helps control algae growth inside the tank. Lighter colors may be used where heat absorption needs to be minimized.

Plastic water storage tanks in this category are manufactured to meet FDA and NSF standards for food-grade materials, allowing use in potable water systems. These tanks are not UN-rated for hazardous material transport, as they are intended for stationary storage rather than shipping. Installation and use must align with local plumbing and building codes. For potable systems, additional filtration and treatment components may be required, including sediment filters and UV sterilization systems. Bulkhead fittings and threaded connections must meet standard pipe thread specifications (NPT) for compatibility with existing infrastructure.

Plastic water storage tanks are used across multiple sectors: Residential: Rainwater harvesting, lawn irrigation, emergency water storage Agriculture: Livestock watering, crop irrigation, nutrient mixing Commercial: Pressure washing supply, facility water storage, washdown systems Industrial: Process water storage, non-potable fluid containment Rainwater collection systems often integrate these tanks with gutter systems, first-flush diverters, and filtration units. In agricultural settings, tanks are used for gravity-fed irrigation or as supply reservoirs connected to pump systems.

Selection Criteria Key factors when selecting a water storage tank: Capacity Requirements: Based on water demand and rainfall collection potential Space Constraints: Diameter and height must fit installation area Material Compatibility: HDPE suitability for potable vs non-potable use Light Exposure: Dark-colored tanks for algae control in direct sunlight Fitting Configuration: Inlet/outlet size and placement for plumbing integration Environmental Conditions: Wind load, UV exposure, and temperature variation System design should also consider filtration, overflow handling, and maintenance access.
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