Large Water Tanks (22700L - 47750L)
Large rainwater tanks from 22,700L to 47,750L are suited to homes, farms and rural properties that need dependable long-term water storage.
This range includes high-capacity options such as 25,000 litre, 30,000 litre, 40,000 litre and 50,000 litre tanks for household supply, irrigation, livestock support and bulk water storage.
Explore our full range of rainwater tanks, compare smaller– and medium-capacity tanks, or view space-saving slimline rainwater tanks. For rural setups, browse our farm water tanks.
Read more about capacity options and sizing
What Are Large Water Tanks?
Large water tanks are designed for properties that need a high-capacity, long-term water supply. They are commonly used for irrigation, livestock, whole-house use and rural systems.
Tankworld tanks are manufactured in Australia from UV-stabilised polyethylene and are designed for durability and long-term outdoor performance.
Popular Capacity Options
Customers often search by size when choosing a tank. Popular options include 25000L tanks, 30000L tanks, 40000L tanks and 50000L tanks.
What size do I need?
The right size depends on your property and water usage. Many customers choose 25,000L to 50,000L options for farms, irrigation and long-term storage.
What is considered high-capacity storage?
This category typically ranges from around 22,700L to 47,750L or more, making it suitable for high-demand applications.
What is the biggest size available?
Tankworld offers capacities up to 47,750 L, suitable for farms, irrigation, and high-demand use.
Featured Products
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Sale!
23,650L Round Corrugated Water Tank
From $2,795.00$3,385.00From $2,795.00$3,385.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $3,020.00$3,145.00 -
Sale!
2 x 23,650L Round Corrugated Tank
From $5,490.00$6,770.00From $5,490.00$6,770.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $5,940.00$6,770.00
All products
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Sale!
23,650L Round Corrugated Water Tank
From $2,795.00$3,385.00From $2,795.00$3,385.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $3,020.00$3,145.00 -
Sale!
25,000 Litre Round Corrugated Rainwater Tank (Zone 1 & 3 Only)
From $2,920.00$3,695.00From $2,920.00$3,695.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $2,895.00$3,045.00 -
Sale!
47,750 Litre Corrugated Water Tank (Zone 2 only)
From $5,795.00$8,800.00From $5,795.00$8,800.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $5,795.00$8,800.00 -
Sale!
2 x 25,000L Round Corrugated Tank and TANKWORLD 60 Pump (Zone 1 & 3 Only)
From $6,169.00$7,540.00From $6,169.00$7,540.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $6,119.00$7,540.00 -
Sale!
45,400L Round Straight Wall Tank- Zone 1
From $5,795.00$7,700.00From $5,795.00$7,700.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $5,795.00$7,700.00 -
Sale!
30,000L Water Tank Round Straight Wall Tank Zone 2
From $3,840.00$5,150.00From $3,840.00$5,150.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $3,840.00$5,150.00 -
Sale!
22,700L Round Straight Wall Tank
From $2,795.00$3,285.00From $2,795.00$3,285.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $2,795.00$3,285.00 -
Sale!
2 x 25,000L Round Corrugated Tank (Zone 1 & 3 Only)
From $5,740.00$6,900.00From $5,740.00$6,900.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $5,690.00$6,900.00 -
Sale!
2 x 45,400L Round Straight Wall Tank- Zone 1
From $11,490.00$15,400.00From $11,490.00$15,400.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $11,590.00$15,400.00 -
Sale!
2 x 47,750L Round Straight Wall Tank – Zone 2
From $11,490.00$15,400.00From $11,490.00$15,400.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $11,490.00$15,400.00 -
Sale!
2 x 30,000L Water Tank Round Straight Wall Tank Zone 2
From $7,670.00$10,300.00From $7,670.00$10,300.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $7,670.00$10,300.00 -
Sale!
2 x 23,650L Round Corrugated Tank
From $5,490.00$6,770.00From $5,490.00$6,770.00Select options This product has multiple variants. The options may be chosen on the product pageFrom $5,940.00$6,770.00