Yeading Brook
London, Harrow, United Kingdom
Site by a wooden bridge. Stream is usually small with medium flow but can become very fast high and flashy when it rains. mostly striaght high banks, Bare clay bed in areas.
Location created by
Angelique Soon
- Site ID: Yeading Walk
- Lat: 51.5853342
- Lng: -0.3692651
- Waterbody Type: Stream
- Timezone: Europe/London
Latest photos
Work was done earlier in the day to remove sedge from the banks from the stream, so this may have disturbed the bed.
The whole river appears tohave a faint white coating, making it cloudy. Turbitity is 30+(Max reading) however.
Some dead invertebrates found
Medium Flow.
Warm weather
Other species found:
red midge larvae
Aquatic worm
16 water hoglice
18 small leech
1 small fish fry
2 slugs (relocated them to dry land)
Flatworm (Dugesia Lugubris)
2 very large European Fish leech 20cm when stretched out. One escaped from the tray!
People in the park keep telling us about how the river would frequently change colours often 30+ years ago due to the Kodak factory at Headstone disposing of their chemicals in it. It is noticable that the Riverfly results get better the further away from Headstone you go. Could there be some residual damage to invertebrates caused by these chemicals lingering in the environment? Have tests ever been done?
Silver nitrate is one of the chemicals named in the prosessing of paper at the factory, there will be many others too.
Medium Flow, warm outside temp 18oc
There has been a lot of rain recently, but not in the past few days so river levels are normal
Stream smells unpleasent.
There is a black coating on riverbed
Dead invertebrates found in all samples
Also caught:
20 midge larvae
6+ leech
8+ aquatic worms
9+Water Hog lice
blackfly larvae
1 v small fish fry (probably stickleback but too small and young to see any details)
Water chemical (ammonia and phospates) results to follow hopefully.....