Underground Septic Tanks

Underground Septic Tanks

Tank Mart plastic underground septic tanks are made from polyethylene plastic. Our underground septic tanks are a great alternative to underground concrete septic tanks because they last longer, easier to install, and substantially cut your overall underground septic tank costs. These underground poly septic tanks are designed for both commercial and residential applications. These tanks carry a full 3 year warranty and are perfect for any project requiring a underground septic tank. See our list below.
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Name Capacity Length Width Height Diameter Part # Price

1500 Gallon Legacy Septic Tank | 44471

1500 Gallons 135'' 55'' 70'' N/A 44471
$3,174.95

1500 Gallon Legacy Septic Tank | 44470

1500 Gallons 135'' 55'' 70'' N/A 44470
$3,141.95

1725 Gallon Low Profile Underground Water Tank | 44407

1725 Gallons 157'' 69'' 51'' N/A 44407
$3,189.95

1750 Gallon Low Profile Underground Water Tank | 43550

1750 Gallons 157'' 69'' 51'' N/A 43550
$3,189.95

2000 Gallon Below Ground Holding Tank | 44593

2000 Gallons 126'' 98'' 51'' N/A 44593
$4,417.95

2000 Gallon Below Ground Holding Tank | 42559

2000 Gallons 126'' 98'' 51'' N/A 42559
$4,419.87

2500 Gallon Below Ground Holding Tank | 44079

2500 Gallons 159'' 99'' 51'' N/A 44079
$5,479.87
  • 1500 Gallon Legacy Septic Tank | 44471
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    1500 Gallon Legacy Septic Tank | 44471

    Norwesco

    $3,174.95
    Technical Drawing TANK SUMMARY  PART# #44471 DIMENSIONS 135" Length x 55" Width x 70" Height LIQUID ACCESS 1 Inlet , 1 Outlet , 2 Manway / Lid WEIGHT / SHIP CLASS 579 lbs. / Ship Class 300 CAPACITY (GALLONS) 1500 SHIPS FROM...
    $3,174.95
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    $3,174.95
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  • 1500 Gallon Legacy Septic Tank | 44470
    Choose Options

    1500 Gallon Legacy Septic Tank | 44470

    Norwesco

    $3,141.95
    Technical Drawing TANK SUMMARY  PART# #44470 DIMENSIONS 135" Length x 55" Width x 70" Height LIQUID ACCESS 1 Inlet , 1 Outlet , 2 Manway / Lid WEIGHT / SHIP CLASS 579 lbs. / Ship Class 300 CAPACITY (GALLONS) 1500 SHIPS FROM...
    $3,141.95
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    Qty in Cart: 0
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    $3,141.95
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  • 1725 Gallon Low Profile Underground Water Tank | 44407
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    1725 Gallon Low Profile Underground Water Tank | 44407

    Norwesco

    $3,189.95
    Technical Drawing Quick Summary  Part# MPN: 44407 Dimensions 157" Length x 69" Width x 51" Height Liquid Access 2 Manways / Lids Weight / Ship Class 549 lbs. / Ship Class 300 Ships From CA, MN, NY, OH, OK, UT, WA Fittings Access 2 Manways...
    $3,189.95
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  • 1750 Gallon Low Profile Underground Water Tank | 43550
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    1750 Gallon Low Profile Underground Water Tank | 43550

    Norwesco

    $3,189.95
    Technical Drawing Quick Summary  Part# MPN: 43550 Dimensions 157" Length x 69" Width x 51" Height Liquid Access 2 Manways / Lids Weight / Ship Class 549 lbs. / Ship Class 300 Ships From GA Fittings Access 2 Manways / Lids Additional...
    $3,189.95
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  • 2000 Gallon Below Ground Holding Tank | 44593
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    2000 Gallon Below Ground Holding Tank | 44593

    Norwesco

    $4,417.95
      Tank Summary  Part# MPN: 44593 Dimensions 126" Length x 98" Width x 51" Height Liquid Access 1 Manway / Lid Weight / Ship Class 704 lbs. / Ship Class 400 Ship From MN, OH, OK Tank Information Color Natural...
    $4,417.95
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    $4,417.95
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  • 2000 Gallon Below Ground Holding Tank | 42559
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    2000 Gallon Below Ground Holding Tank | 42559

    Norwesco

    $4,419.87
    Technical Drawing Tank Summary  Part# MPN: 42559 Dimensions 126" Length x 98" Width x 51" Height Liquid Access 1 Manway / Lid Weight / Ship Class 704 lbs. / Ship Class 400 Ship From WA Tank Information Manway / Lid 1 20' Manway...
    $4,419.87
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    $4,419.87
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  • 2500 Gallon Below Ground Holding Tank | 44079
    Add to Cart

    2500 Gallon Below Ground Holding Tank | 44079

    Norwesco

    $5,479.87
    Technical Drawing Tank Summary  Part# MPN: 44079 Dimensions 159" Length x 99" Width x 51" Height Liquid Access 1 Manway / Lid Weight / Ship Class 929 lbs. / Ship Class 400 Ship From CA, MN Tank Information Manway / Lid 1 20'...
    $5,479.87
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    Qty in Cart: 0
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    $5,479.87
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