pH (0-14)
What's this?
7.41
Gallions Lake 1 : Gallions Lake 1
London, Greenwich, United Kingdom

Observed by
Lucy Hutchison
- Observed on: Tue, 20 May 2025 09:00:00 +0100
- Testers Lucy Hutchison and Harrison Tremain
-
Associated with:
Thames21 : Marsh Dykes & Thamesmead Water Quality Group - Lat: 51.497496
- Lng: 0.0856161
Observation report
See trends at this locationWater quality tests
Pending Quality Check from Water Rangers What's this?
Dissolved oxygen mg/L
What's this?
4.13
Ammonia ppm
What's this?
0.98
Conductivity μS/cm
What's this?
915.0
Turbidity NTU
What's this?
3.0
Dissolved oxygen %
What's this?
41.0
Water temperature °C
What's this?
15.0
Phosphates total ppm
What's this?
0.72
Total dissolved solids ppm
What's this?
457.0
Qualitative
Algae
What's this?
Yes
Odour
What's this?
Algae
Clarity
What's this?
Cloudy
Pollution
What's this?
Urban/road discharge
Algae Type
What's this?
Not sure
Water Flow
What's this?
Slow
Water Uses
What's this?
Fishing
Water Level
What's this?
Average
Water Colour
What's this?
Brown
On the water surface
What's this?
Floating algae
Weather
Current weather What's this?
Weather in previous 24 hours What's this?
Latest photos
No photos uploaded.