Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

  • 23 October 2025

    Waterfall Walk 1 (Upstream) by Matthew Pierce

    River up and slightly coloured after overnight rain

  • 22 October 2025

    Hatch Roundabout - Downstream by Andrew Bourlet

    Depth a little greater than last week

  • 22 October 2025

    Hatch Roundabout - Upstream by Andrew Bourlet

    Depth a little greater than last week

  • 19 October 2025

    Grovelands Park Lake Downstream of reedbeds by Peter Leedham

    Phosphate reading flashing ie higher than recorded value

  • 19 October 2025

    Grovelands Park Stream below dam by Peter Leedham

    Phosphate reading flashing ie higher than recorded value

  • 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