Darlands Lake (Downstream) : Folly Brook/Dollis Brook

London, Barnet, United Kingdom

Observed by
Dianne Murphy
Ammonia ppm What's this? 0.68
Water flow l/sec What's this? 0.0
Conductivity μS/cm What's this? 1,040.0
Turbidity NTU What's this? 12.0
Air temperature °C What's this? 24.4
Water temperature °C What's this? 21.9
Phosphates total ppm What's this? 1.24

Qualitative

Odour What's this? None
Clarity What's this? Clear
Water Flow What's this? Still
Water Level What's this? Low
Water Colour What's this? Yellow
On the water surface What's this? None

Weather

Current weather What's this?
  • sunny
  • cloudy
  • windy
Weather in previous 24 hours What's this?
  • sunny
  • windy

Latest photos


Notes

Large sections of the brook were completely dry. Water was too low for riverfly monitoring due to long dry spell