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500 Gallon Norwesco Low Profile Septic Tank

underground septic tank, waste tank, sewage tank
500 Gallon Low Profile Septic Tank
Images may be inaccurate. See specs table below to ensure accuracy.
Quick Summary
Part# MPN: 43522 / Store ID: X2101409
Dimensions 97" Length x 48" Width x 42" Height
Liquid Access 1 Manway / Lid
Weight / Ship Class 179 lbs. / Ship Class 300
Ships From MS, NY, OH, OK
Drawing Norwesco 43522 Drawing
Features 1 - 20" manholes with 1 compartment
Rotationally molded rugged, one-piece tank with no seams to leak
No special backfill or water filling required during installation
May be pumped dry during pump-outs
No assembly required, reducing installation time and effort.
Municipal and County code may vary from your state approval. Please make sure you consult with your local sanitation department or plumber on requirements.

Regular Price: $1,826.99

Special Price $1,054.99

42% Off MSRP Guaranteed for 6 days only



Norwesco 500 Gallon Septic Tank, part# 43522 is a 1 compartment septic tank. It's primarily used for the storage of wastewater. This plastic septic tank offers a lightweight low cost alternative to old-fashioned concrete septic tanks.

This 500 gallon low profile septic tank is constructed with rotationally molded polyethylene resin. It's seamless construction makes it durable and resistant to cracks, chips, and ruptures. The poly tank was made with FDA approved resin that complies with FDA standards 21 CFR 177.1520 (1) 3.1 and 3.2 for waste water storage.

The 500 gallon low profile septic tank features one 20" gasketed manway. Installation requires no backfill.

Norwesco backs their septic tanks with a 3 year manufacturer warranty. Additional riser options are available. These plastic septic tanks are available in sizes ranging from 200 to 3,525 gallons.

The National Tank Outlet is ready to help fulfill your liquid transportation needs. Contact our septic tank experts with your questions or customization requirements.
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Size Comparison

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At Scale

Additional Information

Store ID X2101409
Manufacturer Info
Product Part # 43522
Former MPN's ST21L
Manufacturer Norwesco
Manufacturer Warranty 5 Year Warranty
Technical Drawing Norwesco 43522 Drawing
Documents Norwesco Septic FAQ
Installation Instructions Low Profile Septic Installation Instructions
Size Info
Capacity (Gallons) 500
Dimensions 97" Length x 48" Width x 42" Height
Weight (lbs) 179
Liquid Accessibility
Liquid Access 1 Manway / Lid
Manway / Lid 1 20" Gasketed Manway
Resin Features
Color Green
Material Polyethylene
Max Temp Allowed 130° F / 54° C
Physical Features
Product Type Low Profile Septic Tank
Environment Underground
Preplumbed No
Compartments 1
ANSI / NSF 61 Approved Resin Yes
Shipping Info
Shipping Locations Mississippi, New York, Ohio, Oklahoma
Shipping Zip Codes 13827, 38654, 43130, 74801
Ship Freight Class 300
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