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Norwesco Water Storage Tank, 550 gal.

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This Water Storage Tank is constructed of corrosion-resistant polyethylene.

  • Black pigmented
  • 44 in. tall
  • 67 in. diameter
  • 94 lb.
  • Designed for above ground use only
  • For water storage only
  • Safe for drinking water
  • Black storage tanks are available by special order in Texas, Oklahoma, New York and California stores only

Additional Product Information
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Product Details

This Water Storage Tank is constructed of corrosion-resistant polyethylene.

  • Black pigmented
  • 44 in. tall
  • 67 in. diameter
  • 94 lb.
  • Designed for above ground use only
  • For water storage only
  • Safe for drinking water
  • Black storage tanks are available by special order in Texas, Oklahoma, New York and California stores only

Specifications

Specification Description
Brand Norwesco
Diameter 67 in.
Tank Capacity 550 gal.
Manufacturer Part Number 40703

Reviews

Norwesco Water Storage Tank, 550 gal. is rated 4.8 out of 5 by 21.
Rated 5 out of 5 by from Potable Cistern sourced right here in Maine! I was stoked that the Brunswick, Maine location had these in multiple sizes in stock! It was easy to load, rolled right on the trailer and worked perfectly for our outdoor wedding last weekend. This was a key part of having fresh potable water at the wedding and I am so grateful I did not have to order it and have it shipped from Texas. TSC came through in the clutch this time!
Date published: 2020-08-24
Rated 5 out of 5 by from water tank What a useful product, so sturdy and reasonable priced. The 550 gallon tank is the best price per gallons. It has a low profile too.
Date published: 2020-06-05
Rated 5 out of 5 by from Water Storage Tank It is a water Tank?? I do not know how to rate it. The tank access should be set up 12" higher than the top of the tank so it can be easily accessed when buried.
Date published: 2019-09-06
Rated 5 out of 5 by from Water Tank nice water tank we bought to use for drinking water
Date published: 2019-08-26
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Questions & Answers

How thick is the wall of the tank?

Asked by: MFerg
The most specific we can be on an answer for this would be “not less than 1/4 inch”, however much more detail is truly required for this answer.The wall thickness varies from top to bottom on the tank and so it is not the best gauge for determining the quality of a tank. The very bottom of the tank is the thinnest part and is made that way to flex when the tank is empty or full. Generally, the wall becomes thicker as you go from the top to the bottom of a vertical tank such as this. This is done to increase resistance to head pressure created by the height of the liquid in the tank. The radius of the tank is thicker to increase strength where it is most critical. Norwesco produces three grades of polyethylene tanks - premium, heavy duty and water(this tank). The Norwesco water tank is designed and manufactured to hold product with a specific gravity up to 1.1 (9.2lbs per gallon) at 73 degrees F. (An increase in liquid temperature will substantially decrease the specific gravity rating.)
Answered by: DanielB
Date published: 2020-06-05

Is the entire top of the tank removable? The picture appears to show a seam around the top of the cylinder.

Asked by: Tankman99
Hi Tankman99, Plastic tanks are manufactured in steel molds that are typically more than one piece. Where the pieces come together are seams or "parting lines" - these are transferred onto the plastic tank. The top of the tank is not removeable, only the lid provides access to the inside. Feel free to call me with any questions. Thanks, Bob 952-446-8807
Answered by: Product Expert
Date published: 2020-06-08

What is the thread type on the upper 1.5" bulkhead fitting? It does not appear to be NPT.

Asked by: Jones77
The threading is NPT.
Answered by: DanielB
Date published: 2017-08-02

Is there a drain on the outside to drain off water? This would work great to use for rain water collection for hot tub water.

Asked by: shopop
The tank has a 2” bottom fitting and a 1.5” top fitting.
Answered by: DanielB
Date published: 2017-08-02

Can the 550 gal tank be bermed or semi-bermed and what are recommendations or cautions for berming?

Asked by: NanoSF66
Hi NanoSF66. It might be best if you call me at Norwesco direct, as I have questions about what you are trying to accomplish. Just an FYI, an above ground tank cannot be buried, even partially, without risking damage. Thanks, Bob 952-446-8807
Answered by: Product Expert
Date published: 2019-10-22

How is the container keeping the potable water "safe" inside during for example summer heat. Does it contain multi-layer resins capable of protecting the water inside from outside environment and to keep contents "fresh" inside?

Asked by: Stefan13
Hi Stefan, Norwesco's water tanks are made with UV stabilized resins approved by the FDA for safe storage of potable water. Our water tanks are black in color which impedes the amount of sunlight penetrating the tank and thereby reducing the potential for algae growth. While not always possible, keeping your tank sheltered or indoors will prolong its life. Feel free to call with any questions. Bob 952-446-8807
Answered by: Product Expert
Date published: 2018-07-30

Does this tank have a spout at the bottom? Can’t tell from the picture.

Asked by: Jill1979
Hi Jill. Norwesco 550 water tank comes with a 2" female NPT bulkhead fitting (plumb to the threads on the inside, not outside of the fitting). Please feel free to call me if you have any questions. Thanks, Bob 952-446-8807
Answered by: Product Expert
Date published: 2020-07-14

Is there a option on the lid to install a hand pump

Asked by: Gkranch
No.
Answered by: NRoberts
Date published: 2020-03-11
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