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How Do I Choose Cistern Tank Size?
(Quezon City)
Rainwater Collection Tank
Cistern Tank Size?
I need your help. Please can you give me more details on a cistern tank? I'm not sure what size I should have. For example, a 7 story building--what will be the size of cistern for water tank? Every floor has a toilet and the size of toilet is 3.5 X 6.0m.
Thank You for contacting the Portable Tank Group with your question. Our cistern tank is made with fabrics that are FDA and NSF 61 compliant for potable water use. Sizes range from 250 gallons all the way to 250,000 gallons!
In order to determine how big a cistern you may need, gallons used must be calculated. The size of the toilets don't matter so much as the amount of water being flushed down them. A really helpful tool you can use is the water consumption calculator. It will walk you through step by step to determine how much water you are using and even compare it to average households. This, in turn, will help determine how much water you need stored in your cistern, and hence, what size cistern you will require.