Observation

Brent_41 Union Canal Towpath

Brent River

River or stream

QA status: Reviewed: quality check complete

January 10, 2026 at 10:30 AM

View trends at this location

Weather observations

  • Current weather description

    Community scientist interpretation

    3°c

  • Weather in the past 24hrs description

    Community scientist interpretation

    5°c

  • Current weather

    Community scientist interpretation

    • Cloudy
  • Weather in the past 24hrs

    Community scientist interpretation

    • Rainy

Qualitative readings

  • Clarity

    Community scientist interpretation

    Cloudy

  • Water flow

    Community scientist interpretation

    Slow

  • Water level

    Community scientist interpretation

    Average

  • Algae

    Community scientist interpretation

    None

  • Odour

    Community scientist interpretation

    None

  • Water use

    Community scientist interpretation

    Boating

  • Colour

    Community scientist interpretation

    Brown

  • Water surface

    Community scientist interpretation

    None

Chemistry tests

  • Ammonia

    mg/L

    Hanna checker (ammonia - low range)

    0.48

  • Conductivity

    μS/cm

    Other pen-type meter (conductivity)

    794

  • Turbidity

    NTU

    Turbidity tube (45 cm)

    15

  • Water temperature

    °C

    Other thermometer

    4.9

  • Phosphates

    mg/L

    Hanna checker (phosphates - low range)

    0.81

  • Air temperature

    °C

    Other thermometer

    3


Notes

1. Several houseboats are moored nearby. 2. There were several ducks.

Location description
Brent River in Hanwell, accessible from Billetts Hart Cl, London W7 2PY.