Dataset

Ravensbourne Catchment Improvement Group's Water Quality Working Group

Dataset by Thames21

Dataset summary

Observations

  • 6 September 2024

    Kyd Brook Hawkswood Estate by Kirsty Blackman

    Riverfly RMI score = 3 Gammarus =55 Olives =1 Leeches =2 Flow slightly higher than normal after heavy rain but the water was running clean with no signs of pollution other than the usual heavy silt film.

  • 5 September 2024

    Boundary stream between Old Dunstonians Sports Ground and neighbouring sports ground. by Malvin Mitchell

  • 15 August 2024

    Kyd Brook C.S.O by Kirsty Blackman

    E.D.M showed that the last discharge of untreated sewage into Kyd Brook happened on 1/8/24 from 19:30 - 23:45 hrs total = 4hr 15mins.

  • 11 August 2024

    Kyd Brook Hawkswood Estate by Kirsty Blackman

    This is also a riverfly monitoring site Riverfly score = 2 Gammarus =30 Leech = 1

  • 5 August 2024

    Mill Vale Outfall by Jeff Royce

    Water flowing steadily from outfall. A day earlier reports of large number of small dead fish on surface ofthe pond area. None visible at time of my observation.

  • 5 August 2024

    Glassmill Pond inlet by Jeff Royce

    Small amount of pollution visible on surface.

  • 29 July 2024

    Kyd Brook S.W.O downstream by Kirsty Blackman

  • 29 July 2024

    Kyd Brook C.S.O by Kirsty Blackman

    There is an E.D.M event duration monitor at this site because there is a combined sewer overflow a little upstream from this monitoring site. The E.D.M stated that the last sewage overflow into Kyd Brook was on the 15/7/24 for 1hr between 22:00 and 23:00, but this site often has high phosphate levels.

  • 28 July 2024

    Mill Vale Outfall by Jeff Royce

    Steady flow from Outfall.