Belowground Plastic Water Tanks

BARR Plastics offers reliable belowground water tanks designed for secure, long-term water storage. Whether you need a solution for residential, commercial, or municipal use, our underground tanks provide efficient storage for potable water, rainwater harvesting, and wastewater. Built for durability and easy installation, these tanks help protect your water supply while saving space. Find the right belowground water tank for your needs today!

Belowground Plastic Water Tanks

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Img Capacity (USG) Name SKU Length (in) Width (in) Height (in) Price
(FOB BARR facility)
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
$1,533.68 CAD
$1,533.68 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
$2,248.81 CAD
$2,248.81 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
$2,317.34 CAD
$2,317.34 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
$2,970.64 CAD
$2,970.64 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
$2,308.75 CAD
$2,308.75 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
$1,637.34 CAD
$1,637.34 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
$4,130.77 CAD
$4,130.77 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
$2,162.98 CAD
$2,162.98 CAD $2,162.98 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
$3,591.65 CAD
$3,591.65 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
$2,641.73 CAD
$2,641.73 CAD $2,641.73 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
$6,030.38 CAD
$6,030.38 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
$4,350.60 CAD
$4,350.60 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
$5,296.86 CAD
$5,296.86 CAD
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
$8,477.03 CAD
$8,477.03 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
$8,140.10 CAD
$8,140.10 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
$7,777.95 CAD
$7,777.95 CAD
2500 Gallon Belowground Low Profile Cistern Holding Tank | 44080 2500.0 Gallons 2500 Gallon Belowground Low Profile Cistern Holding Tank | 44080
Made in Canada
44080 159 99 51
$8,523.23 CAD
$8,523.23 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
$13,601.12 CAD
$13,601.12 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
$17,164.53 CAD
$17,164.53 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
$21,276.68 CAD
$21,276.68 CAD
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
$21,545.11 CAD
$21,545.11 CAD
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
$24,193.34 CAD
$24,193.34 CAD
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
$27,492.75 CAD
$27,492.75 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
$3,415.31 CAD
$3,415.31 CAD $0.00 CAD

Belowground Plastic Water Tanks

BARR Plastics offers reliable belowground water tanks designed for secure, long-term water storage. Whether you need a solution for residential, commercial, or municipal use, our underground tanks provide efficient storage for potable water, rainwater harvesting, and wastewater. Built for durability and easy installation, these tanks help protect your water supply while saving space. Find the right belowground water tank for your needs today!