https://3d-labs.com/bolted-storage-tank/

Corrugated steel tanks can be used to store water for just about any purpose. That means, 
no matter your reason for wanting to use all that rainwater , you’ll be able to store it.
What are some things your stored water can be used for? Here’s a list of some common uses:
Mining
Drinking water
Wastewater
Irrigating crops
Aquaculture
Corrugated steel tanks are great for many water storage uses, but they aren’t limited to water.
 Many other substances can be stored in these tanks. 
Liquids and solids alike do well in corrugated steel tanks. From acids to detergents, animal food,
 to biofuels, you’ll have a way to store them if you use a corrugated steel tank.
To add to their versatility, corrugated steel tanks come in just about any size.
 They can even hold up to nearly 3 million gallons if you’d like them to.