Kyd Brook
London, Bromley, United Kingdom
Kyd Brook which runs within the Hawkwood Estate, this location is also a riverfly monitoring site as well as a water testing location. The Brook generally runs gently and the depth is a mixture of shallow and 2 feet deep in places unless it's raining or has rained then it can be much deeper and flow more rapidly. There is a lot of shade from trees either side of the Brook.
Further upstream, there are many surface water overflows and 1 known combined sewer overflow which discharges untreated sewage into Kyd Brook normally in heavy rain events.
Location created by
Kirsty Blackman
- Group: Thames21 : Ravensbourne Catchment Improvement Group's Water Quality Working Group
- Site ID: What3words snows.dome.tables
- Lat: 51.4019218
- Lng: 0.064119
- Waterbody Type: Stream
- Timezone: Europe/London
Latest photos
Even though there was a short burst of rain whilst doing our riverfly monitoring today, and there had been rain on and off in the past 24 hours the water level was still low and running slow. As one of the photos above will show the bottom and stones of Kyd Brook are covered in a thick layer of silt making it an awful habitat. This is in part due to the amount of S.W.Os that empty into the brook, which leads to flashing, (water levels rising rapidly) which inturn increases the amount of silt. There was a large oak branch and several large pieces of concrete in the stream, Brian, my fellow Riverfly monitor lifted a couple of pieces of concrete and there were some gammarus and Asellus plus 3 leeches but could not be recorded for riverfly monitoring.
R.M.I results gamarrus x12
R.M.I score = 2
The attached photos are from June 2024. The water tody was running slow and the water levels were low. The stones are always covered with a film of silt. This site is also a riverfly monitoring site and today's results were awful.
gammarus x 16
RMI score =2
This site is also a riverfly monitoring site (RMI), today's results were
Gammarus = 30
Olives = 16
RMI score = 4
+ 3x annelids and some flatworms.
Kyd Brook was running clear with a fine silt film over the stones.
This site is also a riverfly monitoring site, today's results are.
Gammarus = 537
Olives = 40
R.M.I = 5
there were also Leeches = 5
This area is also a riverfly monitoring site.
Gammarus =323
Olives = 38
Cased cadis = 1
Leeches = 4
RMI score = 6
This site is also a riverfly monitoring site. There was heavy rain yesterday which seemed to have cleared the stream more than usual as it normally has a heavy silt layer over the stones and the water was clearer.
75 x gammarus
5 x olives
Riverfly score =3
This site is also a riverfly monitoring site. November's results are
1 leech
7 gammarus
1 hog louse
Riverscore = 1
This site is also a riverfly monitoring site
Gammarus = 53
Leeches = 2
Olive = 1
Riverfly score =3
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.
This is also a riverfly monitoring site
Riverfly score = 2
Gammarus =30
Leech = 1