Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

  • 5 October 2025

    The White House Bridge (Old River Lea) by Clare Taylor

    Pollution sources are industrial, residential and urban. 3 October had heavy rain all day.

  • 5 October 2025

    Grovelands Park Lake Downstream of reedbeds by Peter Leedham

    Phosphate reading flashing ie higher than recorded value

  • 5 October 2025

    Grovelands Park Lake Outfall by cafe and dam by Peter Leedham

    Phosphate reading flashing ie higher than recorded value

  • 5 October 2025

    Grovelands Park Stream below dam by Peter Leedham

    Phosphate reading flashing ie higher than recorded value

  • 5 October 2025

    Broomfield Middle Lake South Outlet by Matthew Pierce

  • 4 October 2025

    Arnos Park Growing Space (downstream) by Matthew Pierce

    river slightly more coloured and with slightly increased flow than normal after recent rain

  • 4 October 2025

    Arnos Park Growing Space (upstream) by Matthew Pierce

    river slightly more coloured and with slightly increased flow than normal after recent rain

  • 4 October 2025

    Waterfall Walk 2 (Downstream) by Matthew Pierce

    river slightly more coloured and with slightly increased flow than normal after recent rain

  • 4 October 2025

    Waterfall Walk 1 (Upstream) by Matthew Pierce

    River slightly coloured and with slightly increased flow compared to norma

  • 3 October 2025

    Hobart Corner by Bounds Green Rangers (BGR)

    Mild smell of sewage. Usual rubbish, algae and sewage fungus

  • 3 October 2025

    The Charter Road (Gordon Avenue) by Janet Laban

    Phosphate checker level 2.5 flashing indicating that phosphate levels are above the limit of this Hanna Checker