Ammonia ppm
What's this?
0.15
Whetstone Stray : Dollis Brook
London, Barnet, United Kingdom

Observed by
Judith Howlett
- Observed on: Tue, 12 Aug 2025 10:28:00 +0100
- Testers Jude and Dianne
-
Associated with:
Thames21 : Brent Catchment Water Quality Working Group - Lat: 51.626908
- Lng: -0.1822764
Observation report
See trends at this locationWater quality tests
Pending Quality Check from Water Rangers What's this?
Conductivity μS/cm
What's this?
833.0
Turbidity NTU
What's this?
12.0
Air temperature °C
What's this?
25.5
Water temperature °C
What's this?
20.0
Phosphates total ppm
What's this?
1.81
Qualitative
Algae
What's this?
No
Odour
What's this?
None
Clarity
What's this?
Clear
Water Flow
What's this?
Steady
Water Uses
What's this?
Other
Water Level
What's this?
Low
Water Colour
What's this?
Clear
On the water surface
What's this?
None
Weather
Current weather What's this?
Weather in previous 24 hours What's this?
Latest photos
Notes
Hot weather period continues with little rainfall so Dollis generally shallow