Commercial Polyethylene Underground Cistern (Norwesco/Snyder)¶

Rainwater & Storage • Est. CapEx: Low-cost / Locally fabricated

Technical Overview¶

Commercially available rotationally molded polyethylene underground water storage cisterns in sizes from 225 to 15,000 gallons. Designed for residential rainwater harvesting, emergency water storage, and agricultural use.

Key Specifications & Engineering Parameters¶

Parameter	Specification
Category	Rainwater & Storage
Capital Cost	Low-cost / Locally fabricated
Primary Mechanism	These tanks are made from food-grade, UV-stabilized polyethylene using rotational molding for seamless, leak-proof construction. They are buried underground, collecting rainwater via a downspout or being filled by truck. Water is extracted using a submersible or external pump.
Target Scale	Household / Village Cluster
Standard Lifespan	10 - 20 Years

Engineering Trade-Offs¶

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Cross-Reference & Interactive Tools¶

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