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

Observed by
Mark Walker
- Observed on: Wed, 02 Apr 2025 11:36:00 +0100
- 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?
0.3
Secchi depth m
What's this?
bottom visible
Chlorine ppm
What's this?
0.2
Hardness mg/L
What's this?
400.0
Nitrates ppm
What's this?
1.0
Alkalinity mg/L
What's this?
180.0
Water depth m
What's this?
0.3
Conductivity μS/cm
What's this?
951.0
Air temperature °C
What's this?
14.0
Water temperature °C
What's this?
10.4
Phosphates total ppm
What's this?
1.02
Weather
Current weather What's this?
Weather in previous 24 hours What's this?