West Main Inlet : Broomfield Park Upper Lake West Main Inlet

London, England, United Kingdom

Observed by
Jenny Edwards
  • Observed on: Wed, 02 Jul 2025 22:10:00 +0100
  • Testers Jenny Edwards, Eleana Phrydas
  • Associated with:
    Thames21 : Lea Guardians
  • Lat: 51.6185099
  • Lng: -0.1175056

Observation report

See trends at this location

Water quality tests

Pending Quality Check from Water Rangers What's this?

Ammonia ppm What's this? 9.79
Conductivity μS/cm What's this? 870.0
Air temperature °C What's this? 19.0
Water temperature °C What's this? 19.2
Phosphates total ppm What's this? 2.5

Qualitative

Algae What's this? Yes
Odour What's this? Algae
Clarity What's this? Clear
Pollution What's this? Urban/road discharge
Algae Type What's this? Attached
Water Flow What's this? Steady
Water Level What's this? Low
Water Colour What's this? Clear
On the water surface What's this? Floating algae

Weather

Current weather What's this?
Showers in the morning. Dry at time of testing 3pm
Weather in previous 24 hours What's this?
Very hot and dry period over 10 days before this day's showers.

Latest photos

Notes

Sample taken direct from water entering from inlet to Upper Lake
Phosphate level beyond maximum capacity of Hanna checker