The latest UK Upland Waters Monitoring Network (UWMN) annual report is now available to download. The report presents graphs and summary data describing trends in the water chemistry, water temperature, and biological communities (diatoms and macroinvertebrates) in 24 UWMN sites. It covers the period from since the network began (as the Acid Waters Monitoring Network) in 1988 through to 2023-24.

You can download this, and previous, annual reports from our annual reports page.