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Multi-Use Underground Tanks - 1001 to 2500 Gallons - Alaska - Canada

Efficient Wastewater and Water Storage Solutions
When it comes to high-capacity and versatile storage solutions, multi-use underground septic tanks deliver unmatched performance. Designed to handle large volumes of wastewater or water, these tanks are ideal for properties with diverse needs, including septic treatment, potable water storage, and rainwater harvesting....


Built to last, these tanks are crafted from durable polyethylene and engineered to meet the demands of residential, commercial, and industrial applications. At Tank Depot, we offer multi-use tanks exclusively from Norwesco, a trusted industry leader. With capacities ranging from 1,000 to 10,000 gallons, these tanks are suitable for a wide range of projects, from single-family homes to industrial-scale installations.

Why Shop Multi-Use Underground Septic Tanks?

Versatility for Multiple Applications
Versatility for Multiple Applications

These tanks can store potable or non-potable water, be used for septic treatment, or function as dual-purpose systems. However, if used at any moment for septic purposes, it can't be used for potable water afterward.

Heavy-Duty and Long-Lasting
Heavy-Duty and Long-Lasting

Constructed from seamless, rotationally molded polyethylene, they resist corrosion, cracking, and chemical damage, ensuring decades of reliable use.

Large Capacity for High Wastewater or Water Loads
Large Capacity for High Wastewater or Water Loads

Available in sizes from 1,000 to 10,000 gallons, multi-use underground tanks can handle both residential and commercial-scale storage needs.

Customizable Configurations
Customizable Configurations

Equipped with integral columns for structural strength and designed to accept 4” plumbing connections, these tanks are highly adaptable to specific project requirements.

Cost-Effective Installation
Cost-Effective Installation

Norwesco Bruiser multi-use underground tanks eliminate the need for special backfill or water filling during installation, reducing labor and material costs.

Environmentally Friendly
Environmentally Friendly

Designed to prevent leaks and protect groundwater, these tanks contribute to sustainable and safe wastewater or water storage practices.

Ideal Applications for Multi-Use Underground Septic Tanks

Large Residential Properties
Large Residential Properties

Perfect for households or multi-family homes requiring long-term septic or potable or non-potable water storage solutions.

Commercial and Industrial Use
Commercial and Industrial Use

Ideal for businesses, schools, farms, and industrial sites with heavy daily wastewater loads or large water storage needs.

Dual-Purpose Systems
Dual-Purpose Systems

Suitable for projects requiring either wastewater treatment or potable water storage.

Remote or Hard-to-Access Locations
Remote or Hard-to-Access Locations

Lightweight and easy to transport, multi-use underground septic tanks are ideal for rural properties or sites with limited delivery access.

Rainwater Harvesting Systems
Rainwater Harvesting Systems

Use these tanks for efficient and discreet underground rainwater storage, perfect for irrigation or gray water systems.

Why Choose Tank Depot’s Multi-Use Underground Tanks?

  • No Special Backfill Required: Native soil can be used for burial, reducing installation costs.
  • Watertight Construction: A seamless, rotationally molded design ensures maximum leak protection.
  • Pre-Plumbed Options: Includes pre-installed PVC tees and adapters for quick setup.
  • UV-Stabilized Resin: Prevents degradation from prolonged exposure to sunlight, ensuring longevity.

Key Features of Tank Depot’s Multi-Use Underground Tanks

  • Capacities: Ranges from 1,000 to 10,000 gallons for diverse storage needs.
  • Versatility: Approved for potable water storage and could be used as a septic tank as well.
  • Built-In Strength: Ribbed and columned designs provide maximum support for underground installations.
  • Seamless Polyethylene Construction: Prevents leaks and ensures watertight performance.
  • 4” Plumbing Options: Accepts standard effluent filters and Schedule 40 connections.
  • Ease of Installation: Can be installed using native soil as backfill, eliminating additional material costs.
  • UV-Stabilized Material: Resistant to environmental damage and prolonged exposure.
  • FDA-Approved Resin: Available for potable water storage in some models (check individual product specifications).

Key Features of Tank Depot’s Multi-Use Underground Tanks

  • Schedule Regular Pumping: Depending on use, inspect and pump the tank every 3–5 years for septic applications.
  • Inspect Inlets and Outlets: Check for leaks, blockages, or wear during routine maintenance.
  • Follow Installation Guidelines: Use approved backfill materials and ensure the tank remains at least 1/4 full when buried.

Find the Perfect Multi-Use Underground Tank Today

From septic treatment to potable water storage, our multi-use underground tanks are designed to meet a wide range of needs. With capacities from 1,000 to 10,000 gallons and features like customizable plumbing configurations and easy installation, multi-use underground septic tanks offer the durability and flexibility your project requires. Looking for septic system installation services in Texas? We got you covered.
Ready to get started? Browse our selection of Norwesco multi-use underground tanks below or contact our team today for expert advice and assistance in choosing the right tank for your application.

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DISCLAIMER: Here at Tank Depot we work hard to stay up to date on the latest rules and regulations for each state, however, please confirm with your local septic installer or sanitarian that the products you select are approved by your state and county for septic use in your area.

Shop by Tank Type

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Capacity Name Diameter Length Width Height SKU Price
Buy 1250 Gallon Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified by Norwesco of Blue color for only $2,951.00 1250 Gallons Buy 1250 Gallon Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified by Norwesco of Blue color for only $2,951.00 Norwesco 1250 Gallon Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified 116 55 70 N-41754 $2,951.00
Buy 1500 Gallon Plastic Multi-Use Underground Liquid Storage Tank by Norwesco of Blue color for only $3,364.00 1500 Gallons Buy 1500 Gallon Plastic Multi-Use Underground Liquid Storage Tank by Norwesco of Blue color for only $3,364.00 Norwesco 1500 Gallon Plastic Multi-Use Underground Liquid Storage Tank 135 55 70 N-41772 $3,364.00
Buy 1500 Gallon Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified by Norwesco of Blue color for only $3,551.00 1500 Gallons Buy 1500 Gallon Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified by Norwesco of Blue color for only $3,551.00 Norwesco 1500 Gallon Two Compartment Septic Tank with Two Manholes - Approved in Canada - IAPMO Certified 135 55 70 N-41774 $3,551.00
Buy 2000 Gallon Plastic Multi-Use Underground Liquid Storage Tank by Norwesco of White color for only $4,759.99 2000 Gallons Buy 2000 Gallon Plastic Multi-Use Underground Liquid Storage Tank by Norwesco of White color for only $4,759.99 Norwesco 2000 Gallon Plastic Multi-Use Underground Liquid Storage Tank 126 98 51 N-44593 $4,759.99
Buy 2500 Gallon Multi-Use Underground Liquid Storage Tank by Norwesco of White color for only $5,909.99 2500 Gallons Buy 2500 Gallon Multi-Use Underground Liquid Storage Tank by Norwesco of White color for only $5,909.99 Norwesco 2500 Gallon Multi-Use Underground Liquid Storage Tank 159 99 51 N-44079 $5,488.19$5,909.99
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