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500 Gallon Snyder Septic Pump Tank

underground septic tank, waste tank, sewage tank, spherical septic tank
500 Gallon Snyder Septic Pump Tank
Images may be inaccurate. See specs table below to ensure accuracy.
Quick Summary
Part# MPN: 5170000W94203 / Store ID: X3199468
Dimensions 60" Length x 60" Width x 63" Height
Liquid Access 1 Inlet , 1 Outlet , 1 Manway / Lid
Weight / Ship Class 182 lbs. / Ship Class 300
Ships From AR, CA, MS, WV
Drawing Snyder ST21S Drawing
Single compartment tank with two 20" manholes
Spherical shape provides maximum durability and strength
Lightweight - can be transported in a pickup truck and carried by 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: $1,571.99

Special Price $1,119.99

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Special Price $1,119.99



Snyder NuConSept 500 Gallon Septic Tank, part# ST21S 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 pump 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 pump tank features one 20" manway cover, a 4" gasketed pvc pipe inlet, and a 4" gasketed pvc tee assembly outlet. Installation requires no backfill.

Snyder 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 X3199468
Manufacturer Info
Product Part # 5170000W94203
Former MPN's ST21S
Manufacturer Snyder
Manufacturer Warranty 3 Year Warranty
Technical Drawing Snyder ST21S Drawing
Documents Snyder Septic Do’s and Don’ts
Snyder Septic Site Selection & Preparation
Installation Instructions Snyder Ribbed & Cistern Installation Instructions
Size Info
Capacity (Gallons) 500
Dimensions 60" Length x 60" Width x 63" Height
Weight (lbs) 182
Liquid Accessibility
Liquid Access 1 Inlet , 1 Outlet , 1 Manway / Lid
Inlet 1 4" Gasketed PVC Pipe
Outlet / Drain 1 4" Gasketed PVC Tee Assembly
Manway / Lid 1 20" Manway Cover
Resin Features
Color Grey
Material Polyethylene
Max Temp Allowed 130° F / 54° C
Physical Features
Product Type Pump Tank
Tank Usability Stationary
Environment Underground
Preplumbed Yes
Compartments 1
Plumbing Type Gasket & Tees
ANSI / NSF 61 Approved Resin Yes
Shipping Info
Shipping Locations Arkansas, California, Mississippi, West Virginia
Shipping Zip Codes 26416, 38654, 72365, 93610
Ship Freight Class 300
Ship Lead Time 48 Hours
Liftgate Option Yes
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