pH (0-14)
What's this?
8.4
Yeading Walk : Yeading Brook
London, Harrow, United Kingdom

Observed by
Angelique Soon
- Observed on: Mon, 09 Jun 2025 13:21:00 +0100
- Lat: 51.5853342
- Lng: -0.3692651
Observation report
See trends at this locationWater quality tests
Pending Quality Check from Water Rangers What's this?
Ammonia ppm
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0.0
Alkalinity mg/L
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120.0
Conductivity μS/cm
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547.0
Water temperature °C
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17.9
Phosphates total ppm
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1.53
Total dissolved solids ppm
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547.0
Wildlife

Fish
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Weather
Current weather What's this?
Weather in previous 24 hours What's this?
Latest photos
Notes
Hard rained heavy a few days before, water fast and slightly cloudy
Riverfly monitoring:
Gammarus =290.
Other species observed:
stickleback =40mm,
Hoglice 320,
red midge larvae 4,
leech 25
Pea muscles 10,
Horse leech 2