Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

  • 12 April 2026

    Whitehall Outfall 5a by Anne Rowland

    I conduct a medium range Ammonia test at this site and today's reading was 0.93. I am unable to enter this amount as it's value is not a number!!! I have entered it here instead.

  • 12 April 2026

    Whitehall Plain by Mo Tausif

    Slow flow. Scum and natural debris on surface of stream.

  • 11 April 2026

    East Finchley Allotments - East Stream by Bounds Green Rangers (BGR)

    Sewage smell and scum on water

  • 11 April 2026

    North Inlet by Petros Szekir-Rigas

    Water flowing backward into inlet

  • 8 April 2026

    Hatch Roundabout - Downstream by Andrew Bourlet

  • 8 April 2026

    Hatch Roundabout - Upstream by Andrew Bourlet

  • 7 April 2026

    Grovelands Park Lake Downstream of reedbeds by Peter Leedham

  • 7 April 2026

    Grovelands Park Stream below dam by Peter Leedham