15000 Litre Water Tank

Fire-Resistant Australian Made Long-Lasting Steel Tanks

15000 Litre Water Tank | Buy Factory Direct & Save! Experience + Quality Guaranteed. Long-Lasting Steel Tanks. Starting from $3,115. Delivered to Your Door

Please note: not all dimension combinations are available

Material Options

304 Grade Stainless Steel, 316 Marine Grade Stainless Steel, Colorbond / AQUAPLATE®

15000L Water Tanks – Versatile Water Storage

Explore our 15000L water tanks, designed to meet various water storage needs. Whether it’s for households, commercial use, or agriculture, these tanks provide a reliable solution.

This medium to large tank offers a substantial rainwater supply to supplement your mains water, serving both domestic and rural needs. It’s also an excellent choice for pool top-ups, particularly on larger urban properties.

Customisation is available to match your specific requirements. For example, a 15000-litre tank can have dimensions of around 3200mm wide and 1900mm high, or it can be narrower and taller at approximately 2900mm wide and 2300mm high, or wider and shorter at about 3500mm wide and 1500mm high. Contact us for tailored solutions.

Water Tank Delivery

Select Water Tank prefers to position the tank on the prepared tank base at delivery time. Above all, we will need clear access and some on-site assistance to manually handle the tank/s. Therefore, should a crane be required, the customer would be responsible for organising it. In summary, we are happy to work together to coordinate delivery times, etc.

Delivery is calculated to your area and considers the tank size, delivery method, and other special requirements.

Estimated Water Tank Delivery Fees

What is O Size? Tanks 2.6m high or round tanks with a 3.7m diameter create an oversized load when transported on the road.

Distance Standard O Size
0-50km $180 $220

Please contact our team for a quote for distances greater than 50kms or oversized loads.

Need a different size?

Custom water tanks are what we do, and we have thousands of different sizes available to suit your requirements.

Generate Your Quote Below

Use the fields below to generate a full quote request. If you are not sure about any of these - just select “Not Sure” and we can confirm with you once we finalise your order

Colorbond / AQUAPLATE® finishes (Not available for Stainless Steel)

Choose from the following genuine Colorbond / AQUAPLATE® finishes (For Colorbond tanks only)

None Not Sure Pale Eucalypt Windspray Woodland Grey Surfmist Paperbark Monument Shale Grey Galvinised

Round Tank Fitting Positions

Standard Inclusions

Our tanks come with the following Standard Inclusions:
SWT Standard Inclusions
SWT Standard Inclusions

Additional Fittings

Additional fittings can be added to the tank or replace the included fittings. Some additional options:

  • Bucket Height Tap.
  • Fire Fighting connection comprising of 50mm outlet with a ball valve, and a Storz connector for NSW or a Camlock for QLD.
  • Additional inlets / overflows.

Please select any Additional fittings you require for your water tank(s) below:

Additional Outlets Stainless Steel

If you require any additional outlets for your stainless steel tank please add them below.

Additional Outlets Colorbond

If you require any additional outlets for your Colorbond tank please add them below.

Pay a deposit of 20% per item

15000 Litre Water Tank

Example prices for our most popular 15,000l ranges. View all our Water Tank Prices

304 Stainless Steel Tanks

Capacity (litres) Diameter x Height (mm) Price
2,071 1300 x 1560 $1,675
3,120 1300 x 2350 $1,970
3,138 1600 x 1560 $1,775
3,324 1500 x 1880 $2,010
4,903 2000 x 1560 $2,170
5,332 1900 x 1880 $2,490
5,336 1700 x 2350 $2,245
7,814 2300 x 1880 $2,990
10,308 2900 x 1560 $3,410
10,635 2400 x 2350 $3,295
10,768 2700 x 1880 $3,515
15,015 3500 x 1560 $4,315
15,126 3200 x 1880 $4,165
15,528 2900 x 2350 $4,285
18,095 3500 x 1880 $4,555
20,108 3300 x 2350 $4,850
20,484 2900 x 3100 $5,640
22,619 3500 x 2350 $5,105
23,407 3100 x 3100 $5,960
24,942 3200 x 3100 $6,180
25,278 3700 x 2350 $5,350
29,838 3500 x 3100 $6,840

316 Stainless Steel Tanks

Capacity (litres) Diameter x Height (mm) Price
2,071 1300 x 1560 $2,175
3,120 1300 x 2350 $2,585
3,138 1600 x 1560 $2,330
3,324 1500 x 1880 $2,515
4,903 2000 x 1560 $2,825
5,332 1900 x 1880 $3,195
5,336 1700 x 2350 $2,875
10,308 2900 x 1560 $4,435
10,635 2400 x 2350 $4,275
10,768 2700 x 1880 $4,545
15,015 3500 x 1560 $5,610
15,126 3200 x 1880 $5,395
15,528 2900 x 2350 $5,675
18,095 3500 x 1880 $5,910
20,108 3300 x 2350 $6,300
20,484 2900 x 3100 $7,640
22,619 3500 x 2350 $6,490
23,407 3100 x 3100 $7,930
24,942 3200 x 3100 $8,200
25,278 3700 x 2350 $7,100
29,838 3500 x 3100 $8,890

Colorbond / AQUAPLATE® Tanks

Capacity (litres) Diameter x Height (mm) Price
2,071 1300 x 1560 $1,350
3,120 1300 x 2350 $1,520
3,138 1600 x 1560 $1,505
3,324 1500 x 1880 $1,520
4,903 2000 x 1560 $1,730
5,332 1900 x 1880 $1,730
5,336 1700 x 2350 $1,790
7,814 2300 x 1880 $2,270
10,308 2900 x 1560 $2,625
10,635 2400 x 2350 $2,685
10,768 2700 x 1880 $2,710
15,015 3500 x 1560 $3,150
15,126 3200 x 1880 $3,490
15,528 2900 x 2350 $3,115
18,095 3500 x 1880 $3,995
20,108 3300 x 2350 $4,170
20,484 2900 x 3100 $4,535
22,619 3500 x 2350 $4,445
23,407 3100 x 3100 $4,865
24,942 3200 x 3100 $4,970
25,278 3700 x 2350 $4,765
29,838 3500 x 3100 $5,385

15000l Water Tank

Frequently Asked Questions

How big is a 15,000 litre water tank?

We can build our round rainwater tanks with capacities from as little as 190 litres to a huge 29,800 litres, diameters from as little as 900mm to 3700mm wide, and heights from 300mm to 3100mm tall. The popular sizes for 15000l water tanks are typically.

  • 3500mm Wide x 1560mm High
  • 2900mm Wide x 2350mm High
How long will 15,000 litres of Water Last?

On average in Australia, we consume 340 litres of water per person per day.

So, 15000l water tanks will last approximately:

44.12 days for 1 person
22.06 days for 2 people
11.03 days for a family of 4

What is the capacity of a 15000 litre water tank?

The capacity of 15000l water tanks is 15,000 litres. The duration of the 15000 litres of water will depend on the water consumption rate and intended use. Here are some examples of how long 15000 litres of water might last under different circumstances.

Are 15000 litre tanks suitable for commercial or farming use?

Yes, the 15,000-litre water tanks are designed for commercial establishments, agricultural ventures, and other large-scale applications.  Check out our Farm Water Tanks page for more information 

Can I use a 15,000-litre steel water tank as a fire reserve for my property?

Yes, steel water tanks can be utilised as fire reserves for properties. They can provide an additional source of water for firefighting purposes, contributing to improved fire safety.

15000l water tanks are commonly chosen to comply with BAL ratings or BASIX requirements in certain areas.

Learn more about Bushfire Water Tank Requirements