Collection: Septic & Sewage Tanks

Plastic Septic Tanks from the biggest brands: Norwesco, Den Hartog, Equinox, and GRAF.

Shop our lineup of residential & commercial plastic septic tanks and commercial Fiberglass Septic Tanks.

Click below to view each style of tank, their capacities, part numbers, drawings, sizing, weight, and accessories. Many of these tanks are multi-purpose, also being able to be used for simple liquid holding and pump chambers / lift stations.

Note sure what you need? Call us or fill out this form to consult an expert.

Picture of three green Plastic Septic Tanks next to each other.


Matt

Contractor & Partner Pricing

Contractors: Benefit from our individualized pricing. Request a quote through our website or contact your representative.

52 products

Filter:

Availability
0 selected Reset
Price
The highest price is $27,492.75 Reset
$
$
Brand
0 selected Reset
Specific Gravity
0 selected Reset
Capacity
0 selected Reset

Filter and sort

Filter and sort

52 products

Availability
Price

The highest price is $27,492.75

$
$
Brand
Specific Gravity
Capacity
Img Capacity (USG) Name SKU Length (in) Width (in) Height (in) Price
(FOB BARR facility)
1320 Gallon Platin Flat Tank 5000L | 390002 1320.0 Gallons 1320 Gallon Platin Flat Tank 5000L | 390002 GRAF 1320 Gallon Platin Flat Tank 5000L | 390002 390002 114 91 50
Regular price $6,030.38 CAD
Sale price $6,030.38 CAD Regular price
1500 Gallon Low Profile Plastic Two Compartment Septic Tank | 44173 1500.0 Gallons 1500 Gallon Low Profile Plastic Two Compartment Septic Tank | 44173 44173 157 69 51
Regular price $4,124.09 CAD
Sale price $4,124.09 CAD Regular price $4,950.73 CAD
1500 Gallon Low Profile Plastic Two Compartment Septic Tank | 43504 1500.0 Gallons 1500 Gallon Low Profile Plastic Two Compartment Septic Tank | 43504 Norwesco 1500 Gallon Low Profile Plastic Two Compartment Septic Tank | 43504 43504 157 69 51
Regular price $4,787.99 CAD
Sale price $4,787.99 CAD Regular price $4,950.73 CAD
1600 Gallon Low Profile Water Tank | 42891 1600.0 Gallons 1600 Gallon Low Profile Water Tank | 42891 42891 84 131 42
Regular price $3,365.16 CAD
Sale price $3,365.16 CAD Regular price
1650 Gallon Elliptical Loaf Tank | 43157 1650.0 Gallons 1650 Gallon Elliptical Loaf Tank | 43157 43157 126 80 53
Regular price $3,252.83 CAD
Sale price $3,252.83 CAD Regular price
1700 Gallon Carat S Underground Extension Tank | 372014 1700.0 Gallons 1700 Gallon Carat S Underground Extension Tank | 372014 GRAF 1700 Gallon Carat S Underground Extension Tank | 372014 372014 94 86 83
Regular price $3,415.31 CAD
Sale price $3,415.31 CAD Regular price $0.00 CAD
1700 Gallon Carat S Underground Tank 6500 L with Sealing Set | 372027 1700.0 Gallons 1700 Gallon Carat S Underground Tank 6500 L with Sealing Set | 372027 GRAF 1700 Gallon Carat S Underground Tank 6500 L with Sealing Set | 372027 372027 94 86 83
Regular price $3,456.98 CAD
Sale price $3,456.98 CAD Regular price
1980 Gallon Platin Flat Tank 7500L | 390005 1980.0 Gallons 1980 Gallon Platin Flat Tank 7500L | 390005 GRAF 1980 Gallon Platin Flat Tank 7500L | 390005 390005 142 89 63
Regular price $8,140.10 CAD
Sale price $8,140.10 CAD Regular price $11,858.94 CAD
2000 Gallon Belowground Low Profile Cistern Holding Tank | 42559 2000.0 Gallons 2000 Gallon Belowground Low Profile Cistern Holding Tank | 42559 Norwesco 2000 Gallon Belowground Low Profile Cistern Holding Tank | 42559 42559 126 98 53
Regular price $7,777.95 CAD
Sale price $7,777.95 CAD Regular price
2100 Gallon Low Profile Transport Water Holding Box Tank | 44335 2100.0 Gallons 2100 Gallon Low Profile Transport Water Holding Box Tank | 44335 44335 157 90 53
Regular price $4,596.31 CAD
Sale price $4,596.31 CAD Regular price
2500 Gallon Belowground Low Profile Cistern Holding Tank | 44080 2500.0 Gallons 2500 Gallon Belowground Low Profile Cistern Holding Tank | 44080 44080 159 99 51
Regular price $8,523.23 CAD
Sale price $8,523.23 CAD Regular price
2600 Gallon Platin XL Flat Tank 10,000L without Tank Dome | 390822 2600.0 Gallons 2600 Gallon Platin XL Flat Tank 10,000L without Tank Dome | 390822 GRAF 2600 Gallon Platin XL Flat Tank 10,000L without Tank Dome | 390822 390822 193 88 51
Regular price $13,601.12 CAD
Sale price $13,601.12 CAD Regular price
3525 Gallon Belowground Low Profile Cistern Holding Tank | 44390 3525.0 Gallons 3525 Gallon Belowground Low Profile Cistern Holding Tank | 44390 Norwesco 3525 Gallon Belowground Low Profile Cistern Holding Tank | 44390 44390 211 101 51
Regular price $17,164.53 CAD
Sale price $17,164.53 CAD Regular price
3900 Gallon Platin XL Flat Tank 15,000L without Tank Dome | 390823 3900.0 Gallons 3900 Gallon Platin XL Flat Tank 15,000L without Tank Dome | 390823 GRAF 3900 Gallon Platin XL Flat Tank 15,000L without Tank Dome | 390823 390823 295 88 51
Regular price $21,276.68 CAD
Sale price $21,276.68 CAD Regular price
5025 Gallon Belowground Low Profile Cistern Holding Tank | 44876 5025.0 Gallons 5025 Gallon Belowground Low Profile Cistern Holding Tank | 44876 Norwesco 5025 Gallon Belowground Low Profile Cistern Holding Tank | 44876 44876 211 102 73
Regular price $21,545.11 CAD
Sale price $21,545.11 CAD Regular price
5300 Gallon Platin XXL Flat Tank 20,000L without Tank Dome | 391810 5300.0 Gallons 5300 Gallon Platin XXL Flat Tank 20,000L without Tank Dome | 391810 GRAF 5300 Gallon Platin XXL Flat Tank 20,000L without Tank Dome | 391810 391810 96 82 29
Regular price $24,193.34 CAD
Sale price $24,193.34 CAD Regular price
6600 Gallon Platin XXL Flat Tank 25,000L without Tank Dome | 391811 6600.0 Gallons 6600 Gallon Platin XXL Flat Tank 25,000L without Tank Dome | 391811 GRAF 6600 Gallon Platin XXL Flat Tank 25,000L without Tank Dome | 391811 391811 459 88 51
Regular price $27,492.75 CAD
Sale price $27,492.75 CAD Regular price
Commercial Fibreglass Wastewater Storage Tanks at BARR Plastics Commercial Fibreglass Wastewater Storage Tanks at BARR Plastics BARR Plastics Commercial Fibreglass Wastewater Tanks

Special order item. Request Quote for Pricing

1980 Gallon Platin Flat Tank 7500L | 390828 W/O DOME 1980.0 Gallons 1980 Gallon Platin Flat Tank 7500L | 390828 W/O DOME GRAF 1980 Gallon Platin Flat Tank 7500L | 390828 W/O DOME 390828 142 89 63
Regular price $8,477.03 CAD
Sale price $8,477.03 CAD Regular price
200 Gallon Spherical Pump Tank | 43745 200.0 Gallons 200 Gallon Spherical Pump Tank | 43745 43745 47 47 56
Regular price $943.87 CAD
Sale price $943.87 CAD Regular price


Collection: Septic & Sewage Tanks

Plastic Septic Tanks from the biggest brands: Norwesco, Den Hartog, Equinox, and GRAF.

Shop our lineup of residential & commercial plastic septic tanks and commercial Fiberglass Septic Tanks.

Click below to view each style of tank, their capacities, part numbers, drawings, sizing, weight, and accessories. Many of these tanks are multi-purpose, also being able to be used for simple liquid holding and pump chambers / lift stations.

Note sure what you need? Call us or fill out this form to consult an expert.

Why Septic and Sewage Tanks Matter (and How to Keep Yours Running Smoothly)

If your home or building isn’t connected to a city sewer line, a septic or sewage tank is what keeps things flowing behind the scenes. These systems handle everything that goes down the drain—whether it’s from your kitchen sink, bathroom, or laundry—and make sure it’s dealt with safely. They’re a key part of keeping water sources clean and your home running smoothly.

So, How Does a Septic Tank Work?

It’s actually pretty simple. All the wastewater from your house ends up in the septic tank. Inside the tank, the heavier stuff—like solid waste—settles at the bottom and forms a layer called sludge. Oils and grease float to the top and form a layer of scum. What’s left in the middle is liquid, and that part flows out into something called a drain field. The soil in the drain field helps filter out any leftover stuff, so it doesn’t pollute the groundwater.

Bacteria inside the tank also do their thing by breaking down some of the waste, which helps keep the system from filling up too fast. Still, you’ll need to get the tank pumped out every now and then (more on that soon).

Key Benefits of Septic and Sewage Tanks

Septic tanks offer several benefits, including:

  • Cost Savings: Compared to monthly sewer fees, septic systems represent a cost-effective solution, with long-term savings if maintained properly.
  • Environmental Protection: By safely processing household wastewater, septic systems help protect groundwater and local ecosystems from contamination.
  • Adaptability to Rural Areas: Septic tanks are highly suitable for rural and remote areas, providing a self-contained wastewater solution independent of city sewer infrastructure.

Proper Maintenance for Long-Lasting Septic Systems

Routine maintenance is essential to prolong the life of a septic tank and ensure optimal performance. Here’s what regular upkeep involves:

  • Pumping: Septic tanks should be pumped every 3–5 years, depending on the tank size and household usage, to prevent sludge from building up and causing blockages.
  • Inspection: Regular inspections help identify potential issues, such as leaks or drainage problems, before they escalate.
  • Responsible Waste Disposal: Avoid flushing items like wipes, grease, or chemicals down the drain, as they can disrupt bacterial activity and lead to clogs.

Environmental and Health Benefits

Properly functioning septic systems help protect public health by preventing untreated wastewater from contaminating groundwater, rivers, and lakes. This protection is crucial in areas where drinking water comes from private wells, as groundwater contamination poses serious health risks.

By choosing the right septic tank type, practicing regular maintenance, and following responsible waste disposal habits, homeowners can enjoy a durable and efficient wastewater treatment solution that minimizes environmental impact. Investing in a quality septic system not only offers peace of mind but also supports a healthier ecosystem.