pH (0-14)
What's this?
8.4
Saipem S5 - Tolworth Brook : Hogsmill
London, Kingston upon Thames, United Kingdom

Observed by
Ian Stapleton
- Observed on: Sat, 10 May 2025 13:30:00 +0100
- Testers Ian Stapleton
-
Associated with:
South East Rivers Trust : Hogsmill Water Quality - Lat: 51.3946718
- Lng: -0.2793893
Observation report
See trends at this locationWater quality tests
Pending Quality Check from Water Rangers What's this?
Ammonia ppm
What's this?
0.15
Chlorine ppm
What's this?
0.0
Hardness mg/L
What's this?
400.0
Nitrates ppm
What's this?
5.0
Alkalinity mg/L
What's this?
180.0
Water depth m
What's this?
0.06
Conductivity μS/cm
What's this?
920.0
Air temperature °C
What's this?
22.0
Water temperature °C
What's this?
16.0
Phosphates total ppm
What's this?
1.54
Qualitative
Algae
What's this?
No
Odour
What's this?
None
Clarity
What's this?
Clear
Pollution
What's this?
Residential discharge
Water Flow
What's this?
Slow
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?