Bucket method

To measure water flow with a bucket, place the bucket under the flowing water. Start a timer as soon as you begin filling the bucket. Stop the timer when the bucket is full. Then, divide the bucket’s volume by the number of seconds it took to fill. This gives you the flow rate, in meters cubed per second (m3/s). The test should be repeated 3 times, and the average of the 3 results taken as the flow.