Barnes Common Riverfly site : Beverley Brook

London, Richmond upon Thames, United Kingdom

Observed by
Rachel Walker

Observation report

See trends at this location

Water quality tests

Pending Quality Check from Water Rangers What's this?

pH (0-14) What's this? 7.5
Dissolved oxygen mg/L What's this? 6.7
Ammonia ppm What's this? 0.07
Chlorine ppm What's this? 0.0
Hardness mg/L What's this? 400.0
Nitrates ppm What's this? 7.5
Alkalinity mg/L What's this? 120.0
Water depth m What's this? 40.0
Conductivity μS/cm What's this? 1,356.0
Air temperature °C What's this? 20.0
Water temperature °C What's this? 18.2
Phosphates total ppm What's this? 1.32

Weather

Current weather What's this?
Weather in previous 24 hours What's this?

Latest photos

Notes

Riverfly score - 8
Cased caddis x19 (small stick and pebble cases)
Caseless caddis x11
Olives x5
Gammarus x350
Other - x1 stone loach, x1 chub, x6 stickleback x12 damsefly larva, x1 water scorpion, x3 minnows.

Flow 1.15ft/s