Multi-Use Underground Tanks

At BARR Plastics, we provide high-quality multi-use underground tanks designed to meet a variety of storage needs, from water retention to wastewater containment. These durable underground tanks are perfect for residential, commercial, and industrial applications, offering long-term reliability and efficient storage solutions. 

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Img Capacity (USG) Name SKU Length (in) Width (in) Height (in) Price
GRAF Carat S Belowground Plastic Tanks at BARR Plastics GRAF Carat S Belowground Plastic Tanks at BARR Plastics Barr Plastics GRAF Carat S Belowground Tanks 6074
$0.00 CAD
$0.00 CAD $0.00 CAD
Commercial Fibreglass Wastewater Storage Tanks at BARR Plastics Commercial Fibreglass Wastewater Storage Tanks at BARR Plastics BARR Plastics Commercial Fibreglass Wastewater Tanks 6115
$0.00 CAD
$0.00 CAD $0.00 CAD
Belowground Fibreglass (FRP) Tanks Belowground Fibreglass (FRP) Tanks Barr Plastics Belowground Fibreglass (FRP) Tanks 5810
$0.00 CAD
$0.00 CAD $0.00 CAD
Low Profile Sewage Holding Tanks at BARR Plastics Low Profile Sewage Holding Tanks at BARR Plastics Barr Plastics Belowground Low Profile Holding Tanks 5805
$0.00 CAD
$0.00 CAD $0.00 CAD
325 Gallon Plastic Underground Water Storage Cistern Tank | 41321 325.0 Gallons 325 Gallon Plastic Underground Water Storage Cistern Tank | 41321 Norwesco 325 Gallon Plastic Underground Water Storage Cistern Tank | 41321 41321 54 54 51
$1,540.44 CAD
$1,540.44 CAD
400 Gallon Platin Flat Tank 1500L | 390000 400.0 Gallons 400 Gallon Platin Flat Tank 1500L | 390000 GRAF 400 Gallon Platin Flat Tank 1500L | 390000 390000 83 50 27
$1,751.63 CAD
$1,751.63 CAD
500 Gallon Plastic One Compartment Septic Tank (Plumbed) | 41320-PL 500.0 Gallons 500 Gallon Plastic One Compartment Septic Tank (Plumbed) | 41320-PL Norwesco 500 Gallon Plastic One Compartment Septic Tank (Plumbed) | 41320-PL 41320-PL 101 51 47
$2,170.00 CAD
$2,170.00 CAD
500 Gallon Plastic One Compartment Septic Tank (Non-Plumbed) | 41320 500.0 Gallons 500 Gallon Plastic One Compartment Septic Tank (Non-Plumbed) | 41320 Norwesco 500 Gallon Plastic One Compartment Septic Tank (Non-Plumbed) | 41320 41320 101 51 42
$1,953.91 CAD
$1,953.91 CAD
550 Gallon Plastic Underground Water Storage Cistern Tank | 40856 550.0 Gallons 550 Gallon Plastic Underground Water Storage Cistern Tank | 40856 Norwesco 550 Gallon Plastic Underground Water Storage Cistern Tank | 40856 40856 64 64 67
$2,327.74 CAD
$2,327.74 CAD
575 Gallon Plastic Underground Water Storage Cistern Tank | 44360 575.0 Gallons 575 Gallon Plastic Underground Water Storage Cistern Tank | 44360 Norwesco 575 Gallon Plastic Underground Water Storage Cistern Tank | 44360 44360 97 48 42
$2,980.93 CAD
$2,980.93 CAD
600 Gallon Plastic Underground Water Storage Cistern Tank | 41328 600.0 Gallons 600 Gallon Plastic Underground Water Storage Cistern Tank | 41328 Norwesco 600 Gallon Plastic Underground Water Storage Cistern Tank | 41328 41328 101 51 42
$2,319.09 CAD
$2,319.09 CAD
Carat S Underground Tank 2700L (700 USG) with Sealing Set | 372024 700.0 Gallons Carat S Underground Tank 2700L (700 USG) with Sealing Set | 372024 GRAF Carat S Underground Tank 2700L (700 USG) with Sealing Set | 372024 372024 82 62 80
$1,686.45 CAD
$1,686.45 CAD
790 Gallon Platin Flat Tank 3000L | 390001 790.0 Gallons 790 Gallon Platin Flat Tank 3000L | 390001 GRAF 790 Gallon Platin Flat Tank 3000L | 390001 390001 96 82 29
$3,511.11 CAD
$3,511.11 CAD
1000 Gallon Low Profile Plastic Two Compartment Septic Tank | 43517 1000.0 Gallons 1000 Gallon Low Profile Plastic Two Compartment Septic Tank | 43517 Norwesco 1000 Gallon Low Profile Plastic Two Compartment Septic Tank | 43517 43517 127 60 51
$2,905.79 CAD
$2,905.79 CAD
1000 Gallon One Compartment Septic Tank with Loose Plumbing and Low Profile Design - IAPMO Certified | 42405 1000.0 Gallons 1000 Gallon One Compartment Septic Tank with Loose Plumbing and Low Profile Design - IAPMO Certified | 42405 Norwesco 1000 Gallon One Compartment Septic Tank with Loose Plumbing and Low Profile Design - IAPMO Certified | 42405 42405 127 60 51
$2,734.68 CAD
$2,734.68 CAD
Carat S Underground Tank 3750L (1000 USG) with Sealing Set | 372025 1000.0 Gallons Carat S Underground Tank 3750L (1000 USG) with Sealing Set | 372025 GRAF Carat S Underground Tank 3750L (1000 USG) with Sealing Set | 372025 372025 85 65 85
$1,868.18 CAD
$1,868.18 CAD
1175 Gallon Plastic Underground Water Storage Cistern Tank | 44405 1175.0 Gallons 1175 Gallon Plastic Underground Water Storage Cistern Tank | 44405 Norwesco 1175 Gallon Plastic Underground Water Storage Cistern Tank | 44405 44405 127 60 51
$3,237.78 CAD
$3,237.78 CAD
1250 Gallon Plastic Two Compartment Septic Tank | 43503 1250.0 Gallons 1250 Gallon Plastic Two Compartment Septic Tank | 43503 Norwesco 1250 Gallon Plastic Two Compartment Septic Tank | 43503 43503 157 60 51
$3,667.33 CAD
$3,667.33 CAD
Carat S Underground Tank 4800L (1250 USG) with Sealing Set | 372026 1250.0 Gallons Carat S Underground Tank 4800L (1250 USG) with Sealing Set | 372026 GRAF Carat S Underground Tank 4800L (1250 USG) with Sealing Set | 372026 372026 90 78 72
$2,889.47 CAD
$2,889.47 CAD
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
$4,900.56 CAD
$4,900.56 CAD
1425 Gallon Plastic Underground Water Storage Cistern Tank | 44406 1425.0 Gallons 1425 Gallon Plastic Underground Water Storage Cistern Tank | 44406 Norwesco 1425 Gallon Plastic Underground Water Storage Cistern Tank | 44406 44406 175 60 51
$3,910.68 CAD
$3,910.68 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
$4,311.62 CAD
$4,311.62 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
$3,006.05 CAD
$3,006.05 CAD
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
$3,011.83 CAD
$3,011.83 CAD $0.00 CAD
1725 Gallon Plastic Underground Water Storage Cistern Tank | 44407 1725.0 Gallons 1725 Gallon Plastic Underground Water Storage Cistern Tank | 44407 Norwesco 1725 Gallon Plastic Underground Water Storage Cistern Tank | 44407 44407 157 69 51
$4,765.83 CAD
$4,765.83 CAD
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
$11,858.94 CAD
$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
$7,810.50 CAD
$7,810.50 CAD
2500 Gallon Belowground Low Profile Cistern Holding Tank | 44080 2500.0 Gallons 2500 Gallon Belowground Low Profile Cistern Holding Tank | 44080 Norwesco 2500 Gallon Belowground Low Profile Cistern Holding Tank | 44080 44080 159 99 51
$8,523.23 CAD
$8,523.23 CAD
2500 Gallon Belowground Low Profile Cistern Holding Tank | 42119 2500.0 Gallons 2500 Gallon Belowground Low Profile Cistern Holding Tank | 42119 Norwesco 2500 Gallon Belowground Low Profile Cistern Holding Tank | 42119 42119 158 98 53
$0.00 CAD
$0.00 CAD $0.00 CAD
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
$10,985.51 CAD
$10,985.51 CAD
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
$17,230.42 CAD
$17,230.42 CAD
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
$15,869.32 CAD
$15,869.32 CAD

Multi-Use Underground Tanks

At BARR Plastics, we provide high-quality multi-use underground tanks designed to meet a variety of storage needs, from water retention to wastewater containment. These durable underground tanks are perfect for residential, commercial, and industrial applications, offering long-term reliability and efficient storage solutions.Â