Monitoring program details
HMWT implementation of the National River Survey
Read about purpose, training, and more →Latest contribution to the dataset
Mary Brown on 10 August 2026 at Aspenden Road Bridge (Site 14)
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Dataset
HMWT - River Guardians
Dataset by Herts & Middlesex Wildlife Trust
Dataset summary
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Very poor
No data
There is no standard set for this parameter. Locations are shown with their data, but not classified.
Jun 27, 2026
Aug 10, 2026
Data & methods
- Method and parameters details
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