Norwesco 500-Gallon Single Compartment Polyethylene Yellow Septic Tank
Item #6901955 |
Model #43559-DS
Shipping
Mon, Sep 21
7 available
Delivery
7 available
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EASY INSTALLATION: Norwesco's polyethylene septic tanks are designed for durability and seamless, effortless installation, making them the ideal choice for septic system replacement and new home construction.
ROTATIONALLY MOLDED: Norwesco septic tanks are expertly crafted through a rotational molding process, producing a seamless, watertight tank in a single piece.
SUPERIOR DESIGN: Norwesco tanks are engineered with a superior rib design and strategic placement to ensure unmatched structural integrity.
CORROSION-RESISTANT MATERIAL: Polyethylene is completely unaffected by soil chemicals and the chemicals and gases in sewage- This means that Norwesco septic tanks will never rust or corrode and require no additional coatings, unlike other tanks.
WATERTIGHT LID: Norwesco septic tanks are fitted with a tough, watertight lid that is superior to other lid designs- Upon leaving our factory, the lid is securely attached to the tank with stainless steel screws and comes standard with a gasket, ensuring a reliable watertight seal.
ACCESSORIES AVAILABLE: Manhole extensions and lid-riser combinations are available to bring tank access to grade and to meet code specifications.
Dimensions | |||
|---|---|---|---|
Height (Inches) | 52 | Width (Inches) | 48 |
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | No | ||
Warranty | |||
|---|---|---|---|
Warranty | 3-year limited | ||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 47101500 | ||
Check out the Best Selling Septic Tanks on Lowes.com
Ratings may include incentivized customer reviews.
Fast courteous pick up. Very helpful with the loading of the product
Verified Purchaser
Septic Tank
The tank was exactly what I needed. It’s very strong and looks like it’s going to last me a long time.
Extremely disappointed with this purchase
Ordered this along with attachments on 6-30-2026, attachments all arrived on time except the primary unit that was told will arrive on 7-10-2026. We hired contractors to install and they placed equipment on site and product never arrived. Basically customer service said in so many words "Oh well, sorry" I'm now out $175.00 for delivery and $50 for each day equipment sits on my property until work can commence. I should've purchased somewhere else. Lowe's failed me on this purchase.
For inground installation did use back hoe.
Perfect size for our needs. Very easy to install and set up.
Exactly what we expected & delivered damage free.
Verified Purchaser
Bulkhead couplers for inlet and outlet not include
Solid fabrication, best price
Verified Purchaser
3 Questions
1
Answer
Is the polyethylene safe for potable water?
WinRider on February 7, 20260
Answers
Can this be used for drinking water storage above ground?
KLyn on October 8, 20250
Answers





























