Confirming a cistern leak

~Fill up the cistern with water

~At night, turn off pump and any shut off valves before and immediately after pressure tank

~Accurately measure water in cistern with stick and record

~Leave pump off for a minimum of 12 hours

~Re-measure water in cistern exactly as done previously

~Repeat process, daily if possible, until cistern is empty

~Record and date all results
Variations in measurements usually indicate a problem with the cistern

For further information or clarification, please call our office