Drought affected ground at Whim Bog, Scotland. Photo - Heather Lowther

The CEH Low Flows software is a decision support tool that estimates river flows at ungauged sites. It also aids the development of catchment and regional water resources.

In the UK, both the Environment Agency and the Scottish Environment Protection Agency (SEPA) use it as their standard software to provide estimates of river flows. The software and underpinning science have been widely published in the scientific literature.

Obtaining Low Flows