Berrylands Bridge : Hogsmill

London, Kingston upon Thames, United Kingdom

Observed by
Phil Renton
pH (0-14) What's this? 7.5
Dissolved oxygen mg/L What's this? 9.0
Ammonia ppm What's this? 0.7
Chlorine ppm What's this? 0.0
Hardness mg/L What's this? 200.0
Nitrates mg/L What's this? 1.6
Alkalinity mg/L What's this? 180.0
Water depth m What's this? 0.32
Conductivity μS/cm What's this? 812.0
Air temperature °C What's this? 8.1
Water temperature °C What's this? 9.7
Phosphates total ppm What's this? 0.59

Wildlife


Weather

Current weather What's this?
  • sunny
Cold
Weather in previous 24 hours What's this?
  • sunny
Dry

Latest photos


Notes

Water flow moderate, water clear - bottom clearly visible

Invertebrate Count
Gammarus 120x
Cased Caddis 38x
Caseless Caddis 5x
Olives 23x
Hogslouse 14x
Leeches 4x including 2x Fish leech 4x Chironomidea
6x Stone Loach
6x Stickleback
1x Minnow
6x Simulium sp
1x Damoiselle larvae