Dataset

Brent Catchment Water Quality Working Group

Dataset by Thames21

Dataset summary

Observations

  • 19 September 2025

    Watling Park by Helen Cardy

    Bottle on left is taken from the outfall. Bottle on right is taken from wetland cell #1

  • 19 September 2025

    Watling Wetland Cell 1 by Helen Cardy

    cell 1 - bottle on right (cloudy)

  • 14 September 2025

    Riverside Park (Downstream) by Judith Howlett

    Observation only, heron spent all morning wading ans fishing in the Dollis around Riverside Walk

  • 14 September 2025

    Windsor Open Space - Village Road Outfall by Judith Howlett

    Opportunistic sampling. Mild odour. Looks relatively clear in comparison with issues earlier in the summer

  • 11 September 2025

    Chandos Park (Upstream) by Trevor Steeples

    Urban riverfly monitoring undertaken at the same time

  • 9 September 2025

    Outfall at RMI Site by Judith Howlett

    Mild odour, water looks much improved since TW fixed an issue. My earlier Ammonia results seem to have disappeared from this site??? Not sure why?

  • 9 September 2025

    Riverside Park (Upstream) by Judith Howlett

    Photos of RMI site, upstream and downstream Nicky in action

  • 9 September 2025

    Folly pre confluence by Judith Howlett

    Very slow running from Folly Brook down to Dollis, water most likely due to discharges rather than rain although some since last testing. Probably need to do a walk upstream and look at Outfalls

  • 9 September 2025

    Riverside Park (Downstream) by Judith Howlett

    There has been some rain as opposed to non since August sampling. Water remains shallow Not able to do conductivity

  • 31 August 2025

    Wealdstone Brook Woodcock Park Mural Bridge by John Poole

    There is a Thames Water SONDE a short way upstream of this sampling point which gave similar readings for ammonia, pH and temperature - no phosphate readings but additional turbidity, dissolved O2 and conductivity readings are available from this SONDE.

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