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Polyethylene Tanks

CSA/NSF 61 certified

Canwest Tanks manufactures polyethylene tanks in sizes ranging from 40 imp. gals. up to 5,600 imp. gals. using high-density polyethylene (HDLPE) resin with UV inhibitor, making them suitable for outdoor applications. All our polyethylene tanks are CSA/NSF 61 certified for potable water application. Therefore, any tank may be used safely for storage of potable (drinking) water.


Above Ground Poly Tanks

The high grade resin contains UV inhibitors to allow long-term open air exposure without deterioration of the tank walls when installed above ground.


In-Ground Storage Tanks, Septic Tanks & Pump Chambers

Our in-ground tanks are designed for strength with rib structures and wall thickness allowing for burial, normally at a depth of up to 2 ft. earth cover, but we can make them for burial up to 5 ft.


The Advantages of Polyethylene Tanks

Poly tanks are:

  • Comparably inexpensive
  • Noncorrosive
  • Durable
  • Easy to install and easy to handle due to their relative light weight
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