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Polyehylene Septic/Holding Tanks 

Septic Tanks

Norwesco Low Profile septic tanks are molded in one piece, requiring no additional assembly, reducing installation time and effort.  Other features include:

  • Rotationally molded rugged, one-piece tank with no seams to leak.

  • No assembly required, reducing installation time and effort.

  • No special backfill or water filling required during installation.

  • May be pumped dry during pump-outs

  • May be installed with 6" to 36" of cover.

  • All sizes (with the exception of the 500 gallon) are suitable for use as a septic tank or pump tank and may also be used for non-potable water.

  • Access openings and lids accept Norwesco low profile manhole extensions, double-wall corrugated pipe and ribbed PVC pipe.

  • Tanks (with the exception of the 500 gallon) are available with PVC tees and gaskets supplied loose or with installed PVC tees and septic adapters.

  • Double compartment = 2/3 - 1/3 

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Holding Tanks

Norwesco holding tanks are the largest capacity below ground storage tanks made today. Typically used to store water - both potable and non-potable - they can also be used as large capacity septic tanks. The tank design will accept up to 4" plumbing options. Integral columns in the tank give it excellent structural strength.

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