Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

  • 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

  • 2 October 2025

    Channelsea River by Northern Outfall by Ruth-Ron-Caroline Keating

    Very low high tide

  • 2 October 2025

    Channelsea River Gas Holders by Ruth-Ron-Caroline Keating

    Other Water Conductivity result = 721

  • 1 October 2025

    Hatch Roundabout - Downstream by Andrew Bourlet

    *Phosphate exceeded 2.50 measurement limit. Repeated test - same result. Difficult to sample with the pole method as flow was so low. Evidence of rats nearby.

  • 1 October 2025

    Hatch Roundabout - Upstream by Andrew Bourlet

    No scum at sample point but small area of thin scum 2m upstream behind a natural 'damn'.