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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? 3.1
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? 80.0
Water depth m What's this? 0.38
Conductivity μS/cm What's this? 1,415.0
Air temperature °C What's this? 12.0
Water temperature °C What's this? 13.0
Phosphates total ppm What's this? 1.31

Weather

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

Latest photos

Notes

Riverfly score - 7
Cased caddis x7 (small sticks and small pebbles)
Caseless caddis x3
Olives x26
Gammarus x125
Other - x2 minnow x1 stickleback x16 damsefly larva

Flow 2.1m/s

Ammonia test could not be taken.