Parameters affecting water course quality, and methods of testing for them.
Many possible parameters have been left out of our testing, since by and large the pollution on which we're focusing has agricultural or recreational rather than industrial or municipal sources.
A long list of metals was included in testing until 2024. Being so many they have not been uploaded into this database. They could be however, because where they exist the data is included in the reports from the laboratory (see Field Trips).