Darco Underground Water Tanks
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Polyethylene Underground Water Storage Tanks

Our polyethylene tank system is called "OcTank" and  has the nominal unit capacity of 2000 gallonsNumerous polyethylene OcTanks may be interconnected as a modular underground tank system for storage volumes up to 10,000 gallons or more.

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Polyethylene Tank Accessories

A complete line of accessories for polyethylene OcTanks is available to configure your installation to suit a variety of needs.

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Fiberglass Underground Water Storage Tanks

Fiberglass water tanks are available from 10,000 gallons to our largest single tank at 75,000 gallons.  Multiple fiberglass vessels may be interconnected to increase storage volume above 75,000 gallons.

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Fiberglass Tank Accessories

A complete line of accessories for fiberglass underground water tanks is available to configure your installation to suit a variety of needs.

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Prices on all products subject to change.
Written quotes honored for thirty (30) days only.


Darco Incorporated || 980 Darco Drive || P.O. Box 779
Bennett, CO 80102 || (800) 232-8660
info@darcoinc.com or
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