Rainwater tank suppliers

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• Bailey Tanks

  New Zealand manufacturer of above-ground polyethylene water tanks, including compact, slimline and large rural formats.

  Serves

  Delivery to most mainland New Zealand addresses; published exclusions include Gisborne/East Cape and several remote or island areas.

  Capacity

  425–30,000 litres

  Materials

  polyethylene

• Big Water Tanks

  Auckland manufacturer and direct seller of above-ground polyethylene water tanks for rainwater, stormwater and general water storage.

  Serves

  Delivery to many upper and central North Island locations; confirm availability for the exact address.

  Capacity

  500–30,000 litres

  Materials

  polyethylene

• Devan

  New Zealand manufacturer of above-ground polyethylene water tanks for residential, rural and commercial storage.

  Serves

  Nationwide delivery from North and South Island manufacturing and distribution centres; some island deliveries may cost extra.

  Capacity

  600–30,000 litres

  Materials

  polyethylene

• Humes

  Supplier and manufacturer of concrete water-storage tanks for rural and residential applications.

  Serves

  Concrete tanks from 3,000–10,000 L are listed nationwide; the 20,000 L option is South Island only.

  Capacity

  3,000–20,000 litres

  Materials

  concrete

• Promax

  New Zealand manufacturer of above-ground, slimline and underground polyethylene water tanks for residential, rural and commercial storage.

  Serves

  Nationwide coverage from North and South Island factories; availability varies by tank range and island.

  Capacity

  450–30,000 litres

  Materials

  polyethylene

• RXP

  New Zealand manufacturer of polyethylene water tanks, with large rural and smaller storage formats distributed through stockists.

  Serves

  Available through rural suppliers throughout New Zealand; individual models can be island-specific.

  Capacity

  500–30,000 litres

  Materials

  polyethylene