In some ways the 2022 score card gives a false impression of our river water quality.  

The Sid itself, and most tributaries have good water quality but the Woolbrook and Convent Stream which runs behind Knowle Drive to the west side, have high phosphates and high total dissolved solids which brings the score down for the whole valley.

Problems arise from diffuse pollution which is difficult to locate but we are working towards identifying problems and finding solutions so hopefully in the future the whole score will be green. 

Many thanks to our volunteers who monitor monthly most monitor in at least 2 locations.

Jan Metcalf

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