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SRP over time

Figure 2. Soluble reactive phosphorus (SRP) concentrations for four sites on the River Leen for sample years 2013 to 2021. 2013-2017 data collected by the EA (2021a) and 2021 data collected during this study. The approximate threshold values between moderate and good, and good and high WFD classification standards are indicated by the black dotted lines.

A photograph of the River Leen, Nottinghamshire (open watercourse with vegetated banks)A map of the sampling points along the River LeenA photo of Charlotte sampling water quality at the side of the River LeenA photo of recent works along the River Leen at the Nottingham Queen's Medical CentreA map of the sampling sites along the River Leen