Dataset

Brent Catchment Water Quality Working Group

Dataset by Thames21

Dataset summary

Observations

  • 6 November 2025

    Brook Farm Open Space by Judith Howlett

    Downstream and Upstream view of the Dollis Brook at todays sampling session Brook Farm Dianne and Jude as Testers

  • 6 November 2025

    Quinta Open Space by Judith Howlett

    Testers Jude and Dianne A number of rain showers over the last week, Conductivity >1000, reasons unknown. Some fencing poles in Brook downstream photo

  • 6 November 2025

    Whetstone Stray by Judith Howlett

    Testers Jude and Dianne Thames21 River Restoration Project removed toe-boarding upstream of this site on 30th October, many people so much mud disturbance and release of creosote from removing the embedded posts, water was murky but settled overnight. Met with 'Morph' team working with Thames21 on habit assessment etc

  • 4 November 2025

    Outfall at RMI Site by Judith Howlett

    Testers Jude and Nicky Results still much improved in comparison with earlier samples and SWOP action from Thames Water Still debris in body of Outfall and some sewage fungus remains on base, but bricks of the walls are now clearly visible when previously covered in fungus

  • 4 November 2025

    Riverside Park (Upstream) by Judith Howlett

    Testers Jude and Nicky Recent rain and dilution factor. Still quite high gravel banks so deeper water pooled left hand side facing downstream. Running water right hand side from which the sample collected. ARMI Score 7

  • 4 November 2025

    Folly pre confluence by Judith Howlett

    Testers Jude and Nicky Water running from Folly down to the Dollis after recent rain, rather than pooled as in previous sessions in the summer, so Ammonia and Phosphate levels diluted rather than concentrated

  • 4 November 2025

    Riverside Park (Downstream) by Judith Howlett

    Testers Nicky and Jude Photos showing view upstream and downstream. Rainfall over the last week and dilution effect on phosphate. Temperature mild for time of year

  • 2 November 2025

    Clitheroe Island - Boston Manor Park by Mitch Goldman

    1. Floating leaves.

  • 2 November 2025

    Duckweir - Clitheroe Island - Boston Manor Park by Mitch Goldman

    1. Floating leaves and litter. 2. There are houseboats moored nearby.

  • 2 November 2025

    Brent_41 Union Canal Towpath by Mitch Goldman

    1. Floating leaves and litter. 2. Houseboats were moored nearby. 3. Duck was in the river.

  • 31 October 2025

    Imperial Way Bridge - Lindsay Drive Roundabout by John Poole

  • 31 October 2025

    Falcon Way bridge - Lindsay Drive roundabout by John Poole

  • 31 October 2025

    Wealdstone Brook Woodcock Park Mural Bridge by John Poole

  • 30 October 2025

    Watling Park by Kath Vos

    Water was collected as it was coming out of the outfall

  • 30 October 2025

    Watling Wetland Cell 1 by Helen Cardy

    water sample collected from outfall which was pretty clear but the pond is covered in a carpet of algae and when I moved some of the mud from the edges with my wellies boots there was a smell of sewage.

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