Dataset

Brent Catchment Water Quality Working Group

Dataset by Thames21

Dataset summary

Observations

  • 3 December 2025

    Folly pre confluence by Judith Howlett

    Down and upstream view at Confluence. Water running steadily after recent rain

  • 3 December 2025

    Outfall at RMI Site by Judith Howlett

    Water running from Outfall after recent rain, dilution factor. Some white foam in Outfall as in photo. Recently Thames Water still investigating as green dye at bottom of Outfall witnessed by a member of the public, don't know from where at this time, will try to find out

  • 30 November 2025

    Brent_41 Union Canal Towpath by Mitch Goldman

    1. Houseboats moored nearby. 2. Some floating leaves.

  • 30 November 2025

    Clitheroe Island - Boston Manor Park by Mitch Goldman

    1. Oily sheen on the surface. (Hard to see in the photos, but whenever the bucket or anything disturbed the surface of the water you could see it.)

  • 30 November 2025

    Duckweir - Clitheroe Island - Boston Manor Park by Mitch Goldman

    1. Houseboat moored nearby. 2. Oily surface - see photos. 3. Leaves and some residntial rubbish - cans, plastics.

  • 23 November 2025

    Riverside Park (Downstream) by Judith Howlett

    Observational data only as water levels higher than they've been for sometime, gravel banks under water

  • 23 November 2025

    Riverside Park (Upstream) by Judith Howlett

    Observational data only as water levels higher than they've been for sometime. Gravel banks covered in water and water running under the Outfall rather than it pooling

  • 23 November 2025

    Folly pre confluence by Judith Howlett

    Rainfall over recent days, water levels at Folly/Dollis Confluence higher than they've been for sometime. Observation data only, not a water testing day

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