Markfield Park (Stonebridge Brook) CSO : River Lea

London, Haringey, United Kingdom

Observed by
Rhiannon England
  • Observed on: Sat, 26 Jul 2025 12:20:00 +0100
  • Testers Rhiannon England
  • Associated with:
    Thames21 : Lea Guardians
  • Lat: 51.5811099
  • Lng: -0.060575

Observation report

See trends at this location

Water quality tests

Pending Quality Check from Water Rangers What's this?

Ammonia ppm What's this? 0.03
Phosphates total ppm What's this? 1.94

Qualitative

Odour What's this? None
Clarity What's this? Clear
Water Flow What's this? Steady
Water Uses What's this? Boating
Water Level What's this? Average
Water Colour What's this? Brown
On the water surface What's this? Litter, Natural debris

Weather

Current weather What's this?
Weather in previous 24 hours What's this?
heavy rain at times

Latest photos

No photos uploaded.

Notes

ammonia readings seem low- changed to new reagents but still same readings