Measure water flow-rate into a container

By using a simple time measurement, BucketFlow can calculate the flow-rate of water into a fixed size container, and through WHO recommendations estimate the number of people that the flow could support.
For many of us, clean water is so plentiful and readily available that we rarely, if ever, pause to consider what life would be like without it.
Marcus Samuelsson
Being able to easily determine the flow-rate of a water source is important for many situations. For example a farmer may want to know how much water he has available for his crops, while an aid worker may want to know how many people could be supported from a given spring. However when you are out in the middle of the countryside is is very likely that you will have little in the way of tools to help you measure a flow-rate. But this is where BucketFlow comes to the forefront!
The BucketFlow program is designed to help people estimate the flow-rate of a water source by simply timing how long it takes to fill a container of a known size. Just divert the flow into the container and use the stopwatch-like start and stop buttons to measure the fill time and then BucketFlow will convert that time into the flow-rate.
The program is easy to use and contains all the information on how the calculations are performed and references to external material that further expands on measuring flow-rates and the health aspects of potable water usage.



BucketFlow calculates the relationship between fill-time into a container, flow rate and supported population in three different ways:
  • For a given fill-time, determine the flow-rate and supported population.
  • For a given flow-rate, determine the supported population and fill-time.
  • For a given population, determine the required fill-time and flow-rate.


NotchFlow comes complete with a full set of reference material built into the program. This material includes:
  • Details of the main formulas used to perform the calculations.
  • A summary of World Health Organization (WHO) water quality criteria and an explanation of the per capita water profiles used by NotchFlow.
  • Links to external references of the WHO water quality criteria.
  • Version information of the currently installed BucketFlow program.


Within BucketFlow, the user can select and change several preferences that affect how the calculations are made and how the results are displayed:
  • The measurement units used: Metric, Imperial or US.
  • The per capita water allowance, based on World Health Organization (WHO) usage patterns.
  • The size of the container being filed.