Are your above ground tanks & below ground cistern tanks NSF approved?

NSF International, founded in 1944 as the National Sanitation Foundation, is known for the development of standards, product testing and certification services in the areas of public health, safety and protection of the environment. Norwesco was the first polyethylene tank producer to receive the NSF certification, where applicable, for our potable water tanks.

The NSF certification process is done on a plant by plant basis. We currently have select tanks that are considered NSF approved that ship from our Shawnee, OK; Tooele, UT; Washougal, WA, Hanford, CA and our Corona manufacturing plant. For further details, please contact Customer Service. The resin that we use to manufacture our above ground tanks is considered an NSF approved resin.

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Mark Peabody

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