Heritage Water Tanks offers a wide range of sizes and capacities in both Streamline and Corrugated wall profiles, including tanks from 27,000L, all the way through to our larger rainwater tanks of up to 353,000L. If you have the need for a tank with custom dimensions, whether it be 20,000L, 50,000L, 100,000L or 200,000L, please contact us to discuss your requirements on 1800 115 552.