Polymaster URT5000 5,000L Underground Poly Rainwater Tank

Underground Water Tanks, Store Rainwater The Smart Way

Underground rainwater tanks are the perfect way to take advantage of under-utilised space without taking away valuable square meterage from above ground.

Make the most of your ground space

When your buildable area above ground is limited, it makes sense to utilise the ground below your property instead.

Space Efficient

Underground Rainwater Tanks give you the most capacity for the least space.

New Builds

An increasingly popular option among architects and builders designing homes to make smart use of the area.

Maximise Utility

Allows for homeowners to maximise their space giving them more green space/or parking.

Save Water

Start saving water, without taking away ground space for things that add value and functionality to your home.

Strong and Compact

Fully tested polyethylene tank designed to withstand ground and water pressure at depth.

URT3300VF 3,300L Polymaster Underground Poly Water Tank Side Profile
URT3300VF 3,300L Polymaster Underground Water Rainwater Storage End Profile

Polymaster Free Delivery Zone

Polymaster have a large fleet of trucks specialised in delivering rainwater tanks throughout Victoria, Southern NSW, and South Australia to your location or the store where you purchased it. If your tank is over 13,000ltrs it will be delivered for free. This map gives you a good idea of the zone.

+ Polymaster also deliver Australia-wide (and abroad) for all their Chemical, Diesel, AdBlue, Septic tanks, Equine, Calving and Animal Care products (extra freight charges apply).  For their Rainwater tanks, they deliver throughout Victoria, South Australia and Southern New South Wales. 

polymaster delivery zone map australia nsw vic sa

Find the Right Solution for You

Browse between the 3,300L and 5,000L underground rainwater tank models.


Polymaster Install Guide

Download install guide for underground rainwater tanks.

Let's get the ball rolling

If you're in the market for a rainwater tank, Dingo has got all the right bases covered. Drop us a line today for a quote.

Quality service
Competitive prices
Professional expertise

    Have questions? Ask Dingo today if you're not sure about anything or if you need more information about any of our products! 


    Monday to Wednesday 10am - 5pm

    Thursday 9am - 5pm

    Friday 8am - 4pm

    Saturday 10am - 3pm

    Dingo Garden & Tanks

    19 Farrow Circuit

    Seaford SA 5169

     ABN 89 169 099 879

    0404 764 210