About this organization
Thames21's water monitoring programme relies on citizen scientists to collect crucial data on river health, focusing on water quality
Read moreRecent locations
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Dataset: Brent Catchment Water Quality Working Group
Folly pre confluence - Folly Brook
274 datapoints on 17 dates (February 05 2025 → March 09 2026)
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Dataset: Brent Catchment Water Quality Working Group
Outfall at RMI Site - Dollis Brook
208 datapoints on 12 dates (June 15 2025 → March 09 2026)
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Dataset: Brent Catchment Water Quality Working Group
Riverside Park (Upstream) - Dollis Brook
400 datapoints on 34 dates (May 20 2023 → March 09 2026)
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Dataset: Brent Catchment Water Quality Working Group
Riverside Park (Downstream) - Dollis Brook
356 datapoints on 32 dates (May 20 2023 → March 09 2026)
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Manor Park River Quaggy - Quaggy
55 datapoints on 3 dates (October 04 2025 → March 08 2026)
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Recent photos
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Outfall at RMI Site, 9 March 2026
Dataset: Brent Catchment Water Quality Working Group -
Outfall at RMI Site, 9 March 2026
Dataset: Brent Catchment Water Quality Working Group -
Outfall at RMI Site, 9 March 2026
Dataset: Brent Catchment Water Quality Working Group -
Riverside Park (Upstream), 9 March 2026
Dataset: Brent Catchment Water Quality Working Group