St Joseph Hood Memorial Playing Fields : Brook

London, Merton, United Kingdom

Observed by
Graham Bell
  • Observed on: Sat, 12 Jul 2025 08:37:06 +0000
  • Lat: 51.3904896
  • Lng: -0.2400212

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? 7.2
Dissolved oxygen mg/L What's this? 5.1
Ammonia ppm What's this? 0.15
Chlorine ppm What's this? 0.0
Hardness mg/L What's this? 400.0
Nitrites mg/L What's this? 7.5
Alkalinity mg/L What's this? 80.0
Phosphates total ppm What's this? 1.93

Weather

Current weather What's this?
Hot - amber heatwave
Weather in previous 24 hours What's this?
Very hot

Latest photos

Notes

Parakeets, dragonfly, some weed in river (less than last month). Very hot.
No smells