Dataset

Brent Catchment Water Quality Working Group

Dataset by Thames21

Dataset summary

Observations

  • 29 April 2026

    Quinta Open Space by Judith Howlett

    Water clear, downstream photo is sun reflection only not cloudy water. Many weeks since rain, although a pipe just upstream (left hand side facing downstream) clear water running

  • 28 April 2026

    Outfall on the corner by Phil Johnson

    Slight sewerage smell, flow reasonable.

  • 28 April 2026

    Hendon Way by Phil Johnson

    Low flow, plenty of surface scum (dead blossom) but clear.

  • 25 April 2026

    Whetstone Stray by Judith Howlett

    Water level shallow as so little rainfall for several weeks

  • 25 April 2026

    Falcon Way bridge - Lindsay Drive roundabout by John Poole

  • 25 April 2026

    Imperial Way Bridge - Lindsay Drive Roundabout by John Poole

  • 25 April 2026

    Brook Farm Open Space by Judith Howlett

    Water levels low, no rain recently

  • 24 April 2026

    Wharncliffe Viaduct by Charles Henderson

    Water level was very low, there was dead looking brown grassy flora on the river bed, maybe sewage fungus the water was transparent with a brown colour

  • 22 April 2026

    Riverside Park (Upstream) by Judith Howlett

    Prolonged period without rain. Sampling on RMI day Phosphate only recorded today as low on Ammonia reagents and measured 2 weeks ago. We found 7 x Cased Caddis I x healthy stickleback Pair of Mandarin ducks swimming around Also Grey Wagtail and an Egret RMI Score

  • 21 April 2026

    Stoneyfields Park South bridge by ping liu

    No unusual circumstances

  • 21 April 2026

    Stoneyfields Park North bridge by ping liu

    Nothing unusual

  • 10 April 2026

    Lyndhurst Park (downstream of culvert) by Kath Vos

    Sudden appearance of milky coloured water so, did a quick check again for phosphate level, which had suddenly gone up compared to 30min earlier.

  • 10 April 2026

    Lyndhurst Park (downstream of culvert) by Kath Vos

    sewage fungus on riverbed

  • 10 April 2026

    The Meads (upstream) by Kath Vos

    Algae on riverbed

  • 10 April 2026

    The Meads/Deansbrook rd by Kath Vos

    Slight sewage odour upon disturbing riverbed. Filamentous Algae on riverbed.

Intended audience
Our group or organization, Our community, Government and decision makers, Broad audience/everyone
Intended use
Benchmarking of water body or watershed health, Share and compare results across watersheds., Education and engagement of local communities, Use in resource prioritization and decision making