learn

State and Trend

The State and Trend values are two key measures to analyse the performance of water quality or land cover over a particular area (e.g. region, town, or catchment) or site.

State shows the current state of the indicator being measured (e.g. E. coli  for water quality, or forest for land cover) and the trend shows how the indicator is tracking over time.

View a factsheet on calculating water state or on calculating water trend.