pH (0-14)
What's this?
7.5
Green Lanes A (downstream of old green lanes stream) : Hogsmill
Epsom, Surrey, United Kingdom

Observed by
Richard Cotmore
- Observed on: Sat, 12 Jul 2025 09:40:00 +0100
- Testers Robb Reeves
-
Associated with:
South East Rivers Trust : Hogsmill Water Quality - Lat: 51.3563039
- Lng: -0.2578354
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?
6.4
Ammonia ppm
What's this?
0.0
Chlorine ppm
What's this?
0.0
Hardness mg/L
What's this?
400.0
Nitrates ppm
What's this?
0.5
Alkalinity mg/L
What's this?
180.0
Water depth m
What's this?
0.09
Conductivity μS/cm
What's this?
640.0
Air temperature °C
What's this?
26.0
Water temperature °C
What's this?
18.5
Phosphates total ppm
What's this?
0.36
Qualitative
Algae
What's this?
No
Odour
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None
Clarity
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Clear
Water Flow
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Slow
Water Level
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Low
Water Colour
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Clear
On the water surface
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None
Weather
Current weather What's this?
Weather in previous 24 hours What's this?
Latest photos
No photos uploaded.