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Concrete Water Tanks and Septic & Retention Tanks
Auckland, New Zealand

Warkworth Tanks make a wide variety of tanks that can go above or underground.

We specialise in single, dual, siphon and pump chamber septics and also retention tanks for the dispersal of stormwater. Our water tanks are built with flat tops that can be buried up to 300 mm below ground which is ideal for small sections or for those people who really don't want a large concrete tank taking up space in their yard.

All our tanks are engineered and designed to a high quality. The water tanks come in sizes that make delivery easy.

The walls are made with reinforced 50mm galv Diamond mesh and 3.15mm galv wire wrapped st 35mm centres.