Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

  • 10 October 2025

    Whitehall Outfall 5a by Anne Rowland

    Phosphates reading was flashing

  • 10 October 2025

    The Charter Road (Gordon Avenue) by Janet Laban

    Samples were also tested at home at 11.50am with the following results: Water temperature 17.5 conductivity 878 Ammonia 0.19 Phosphate: 2.45 This shows similar results to the testing in the field

  • 10 October 2025

    Highams Park Lake by Janet Laban

    Samples were also tested at home at 11.30am when the water temperature was 17 degrees centigrade with the following results: Ammonia: 0.12 Phosphate: 2.5 flashing This shows that taking a sample home for testing in a plastic sampling bottle provides similar results to testing in the field

  • 8 October 2025

    Hatch Roundabout - Downstream by Derek Seume

    Sewage fungus just upstream (other side of road / centre of roundabout)

  • 7 October 2025

    Upstream of Leyton Jubilee Park's double outfall (what3words: ///curving.cups.brings) by Steve Williams

  • 7 October 2025

    Downstream of Leyton Jubilee Park's double outfall (what3words: ///curving.cups.brings) by Steve Williams

  • 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.