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500 Gallon Norwesco Septic Tank

underground septic tank, waste tank, sewage tank,
500 Gallon Norwesco Septic Tank
Images may be inaccurate. See specs table below to ensure accuracy.
Quick Summary
Part# MPN: 41320 / Store ID: X7692952
Dimensions 101" Length x 51" Width x 47" Height
Liquid Access 1 Manway / Lid
Weight / Ship Class 172 lbs. / Ship Class 300
Ships From FL, GA, MN, MS, UT, WA
Drawing Norwesco 41320 Drawing
Features 1 - 20" manhole with 1 compartment
Rib design and placement provide superior structural integrity to the tank.
Lightweight - can be transported to the job site in a pickup truck and carried by just two people
Rotationally molded rugged, one-piece tank with no seams to leak
Municipal and County code may vary from your state approval. Please make sure you consult with your local sanitation department or plumber on requirements.

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Regular Price: $1,554.99

Special Price $1,110.99

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Special Price $1,110.99



Norwesco 500 Gallon Septic Tank, part# 41320 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 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 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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Additional Information

Store ID X7692952
Manufacturer Info
Product Part # 41320
Manufacturer Norwesco
Manufacturer Warranty 3 Year Warranty
Technical Drawing Norwesco 41320 Drawing
Documents Norwesco Septic FAQ
Installation Instructions Norwesco Septic Installation Instructions
Size Info
Capacity (Gallons) 500
Dimensions 101" Length x 51" Width x 47" Height
Weight (lbs) 172
Liquid Accessibility
Liquid Access 1 Manway / Lid
Manway / Lid 1 20" Gasketed Manway
Resin Features
Color Yellow
Material Polyethylene
Max Temp Allowed 130° F / 54° C
Physical Features
Product Type Septic Tank
Environment Underground
Preplumbed No
Compartments 1
ANSI / NSF 61 Approved Resin Yes
NSF Sticker Availability Ohio, Utah, Washington
Shipping Info
Shipping Locations Florida, Georgia, Minnesota, Mississippi, Utah, Washington
Shipping Zip Codes 30224, 33021, 38654, 55375, 84074, 98671
Ship Freight Class 300
Ship Lead Time 48 Hours
Liftgate Option Yes
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