Plastic Septic Tanks - Underground Septic Tanks

The world’s leading manufacturer of polyethylene tanks, NORWESCO has been producing plastic septic tanks since 1980. With that kind of experience, NORWESCO offers you proven products that you can count on for years of dependable, trouble-free service. NORWESCO septic tanks are backed by a full three-year warranty and have been approved by state and local health departments from coast to coast. Where applicable, NORWESCO underground septic tanks have been approved by both IAPMO™ and CSA™.

NORWESCO septic tanks are for Underground USE ONLY. Using the tanks above ground may result in deformation of the tank. It is far more cost-effective to utilize one of NORWESCO’s above ground tanks that are specifically designed for above ground use and 
applications.

Call toll free today: 1-800-655-9100 to speak to one of our friendly and knowledgeable Norwesco Septic Tank Specialists.

The tanks described and shown on this page, with the exception of “The Bruiser” and Holding Tank, cannot be used as pump tanks and must be kept full at all times. Please see detailed installation procedures found on page 6 for additional information.
Across the United States and Canada, there are a number of health code requirements that our tanks must meet. These codes are regulated by the state, county or province where you are located. To aid you in determining which tank you need, please consult with your local health department.

Our Norwesco plastic septic tanks are incredibly well made and extremely durable. Call today to speak with one of our plastic septic tank sepecialists and see how we can assist you.

Product
Description
Capacity
Gallons
D/W H L MFG Product
Number
Retail Price Your Price
200 Gallon Waste/Pump Tank: 1 Manway(20 in) - 1 Compartment - Yellow 47" 56" 43745 $391.86 $352.67
300 Gallon Waste/Pump Tank: 1 Manway(20 in) - 1 Compartment - Black 54" 54" 51" 41319 $527.94 $475.15
500 Gallon Waste/Pump Tank: 1 Manway(20 in) - 1 Compartment - Black 64" 64" 56" 40785 $717.74 $645.97
500 Gallon Non-Plumbed Waste/Pump Tank: 1 Manway(24 in) - 1 Compartment - Yellow 51" 42" 101" 41320 $717.74 $645.97
500 Gallon Non-Plumbed Waste/Pump Tank: 1 Manway(24 in) - 1 Compartment - Yellow 51" 42" 101" 40796 $717.74 $645.97
500 Gallon Waste/Pump Tank: 1 Manway(24 in) - 1 Compartment - Yellow 64" 64" 56" 41409 $792.32 $713.09
750 Gallon Septic Tank: 1 Manway(24 in) - 1 Compartment - Yellow SDR35 52" 62" 96" 41712 $1,039.38 $935.44
750 Gallon Septic Tank: 2 Manway(20 in) - 1 Compartment - Yellow SDR35 48" 63" 96" 41814 $1,062.65 $956.39
750 Gallon Septic Tank: 2 Manway(24 in) - 1 Compartment - Yellow SCH40 52" 59" 100" 41713 $1,088.33 $979.50
750 Gallon Septic Tank: 2 Manway(24 in) - 2 Compartment - Yellow IAPMO 52" 59" 100" 41715 $1,209.53 $1,088.58
1000 Gallon Septic Tank: 2 Manway(20 in) - 2 Compartment - Yellow 60" 58" 102" 41720 $1,259.66 $1,133.69
1000 Gallon Septic Tank: 2 Manway(20 in) - 1 Compartment - Yellow 60" 58" 102" 41718 $1,154.26 $1,038.83
1000 Gallon Septic Tank: 1 Manway(20 in) - 1 Compartment - Yellow 52" 66" 101" 41716 $1,123.71 $1,011.34
1250 Gallon Septic Tank: 2 Manway(20 in) - 2 Compartment - Yellow 55" 66" 116" 41743 $1,539.53 $1,385.58
1250 Gallon Septic Tank: 2 Manway(20 in) - 1 Compartment - Yellow 55" 66" 116" 41741 $1,394.07 $1,254.66
1500 Gallon Septic Tank: 2 Manway(20 in) - 2 Compartment - Yellow 55" 66" 133" 41760 $1,845.62 $1,661.06
1500 Gallon Septic Tank: 2 Manway(20 in) - 1 Compartment - Yellow 55" 66" 133" 41758 $1,700.81 $1,530.73
1500 Gallon Septic Tank: 2 Manway(20 in) - 2 Compartment - Yellow IAPMO 55" 66" 133" 41761 $1,845.62 $1,661.06
Water Ready Emergency Preparedness Ozone Water Treatment