Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

  • 6 October 2025

    Downstream of Jack’s Lake by Eamonn Cannon

    Very low flow. Test from Jacks Lake immediately upstream gave result of 0.1ppm for ammonia, 0.00ppm for phosphates, Turbidity 25, EC 717, temp 17.1.

  • 5 October 2025

    Point 2 by Clare Taylor

    Pollution sources are industrial, residential and urban road. Heavy rainfall all day 3 Oct.

  • 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 Stream below dam 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

    Broomfield Middle Lake South Outlet by Matthew Pierce