Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

  • 19 October 2025

    Grovelands Park Lake Entry by Peter Leedham

    Phosphate reading flashing ie higher than recorded value

  • 19 October 2025

    Whitehall Outfalls by Martin Curry

    Foam on river reported to Thames Water on 15th October They investigated and placed a boom across the river about 20m downstream. Boom still in place although Thames Water advised the case is closed.

  • 18 October 2025

    Footbridge near Rangers Road by Mo Tausif

    River not flowing.

  • 18 October 2025

    Folly Lane EA monitoring point by Lis Loebner

    phosphate reading flashing indicating >2.50 litter and oily sheen upstream of testing site

  • 18 October 2025

    Lordship Recreation Ground (Downstream) by Caroline Jepson

  • 18 October 2025

    Whitehall Outfall 5a by Anne Rowland

    Phosphates result was flashing

  • 17 October 2025

    The Charter Road (Gordon Avenue) by Janet Charlesworth

    Leaf debris beginning to accumulate

  • 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.