Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

  • 16 October 2025

    Markfield Park (Stonebridge Brook) CSO by Rhiannon England

    this is my first test on these 2 sites since a sewage release incident, reported to the Environment agency etc at the Stonebridge outflow Ammonia only as I have no phosphate sachets

  • 16 October 2025

    Upstream of Markfield Park (Stonebridge Brook) CSO by Rhiannon England

  • 15 October 2025

    Hatch Roundabout - Downstream by Andrew Bourlet

    Phosphate exceeded 2.50

  • 15 October 2025

    Hatch Roundabout - Upstream by Andrew Bourlet

    Bankside vegetation has been cut down at the sample site and debris remains in the water

  • 12 October 2025

    Whitehall Plain by Mo Tausif

    Water level very, low. No visible flow.

  • 12 October 2025

    Downstream of Connaught Water by Mo Tausif

    River completely dried up

  • 11 October 2025

    Beech Hall Crescent CSO by Martha Jeffery

    Phosphates 2.50 flashing

  • 11 October 2025

    Beech Hall by Martha Jeffery

    Phosphates 2.50 flashing A neighbour said there are 15 perch in a pool just downstream Saw a muntjac deer

  • 10 October 2025

    Whitehall Outfall 5b by Anne Rowland

    Phosphates reading was flashing