Berrylands Bridge : Hogsmill

London, Kingston upon Thames, United Kingdom

Observed by
Phil Renton

Observation report

Pending Quality Check from Water Rangers What's this?

pH (0-14) 7.5

Dissolved oxygen mg/L 4.2

Ammonia ppm 0.25

Chlorine ppm 0.0

Hardness mg/L 400.0

Nitrates mg/L 2.0

Alkalinity mg/L 180.0

Water depth m 0.22

Conductivity μS/cm 743.0

Air temperature °C 23.0

Water temperature °C 20.8

Phosphates total ppm 1.33

Fish

Current weather

Third heat wave of 2025

Water level very low ,