Fox Corner Nature Reserve : Stanford Brook/Hoe Stream

Surrey, United Kingdom

Observed by
Philippa Mitchell

Observation report

Pending Quality Check from Water Rangers What's this?

pH (0-14) 7.2

Chlorine ppm 0.0

Hardness mg/L 100.0

Nitrates mg/L 10.0

Alkalinity mg/L 110.0

Conductivity μS/cm 635.0

Air temperature °C 22.0

Water temperature °C 18.2

Phosphates total ppm 0.5

Algae No

Odour None

Clarity Cloudy, Opaque

Pollution Residential discharge

Water Flow Slow

Water Level Low

Water Colour Brown

On the water surface Natural debris

Current weather

Weather in previous 24 hours

There is a residential sewage works about 400m upstream of this test site. It is noted to have overflowed the storm discharge on 7th July for 1 hour.

The people who manage the nature reserve next to this test site have been cutting back Himalayan Balsam across the site. This is an invasive species