Observation

The White House Bridge (Old River Lea)

River Lea

River or stream

July 5, 2025 at 11:38 AM

QA status: Reviewed: quality check complete

Weather observations

  • Current weather

    Community scientist interpretation

    • Cloudy
    • Windy
  • Current weather description

    Community scientist interpretation

    Air temperature 21°C, the coolest day in the past two weeks after two heatwaves with temperatures reaching 33°

  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny
  • Weather in the past 24hrs description

    Community scientist interpretation

    0mm rainfall over the previous eight weeks (data from Chalk Bridge sluice station)


Qualitative readings

  • Clarity

    Community scientist interpretation

    Clear

  • Colour

    Community scientist interpretation

    Brown


Physical tests

  • Water flow

    Community scientist interpretation

    Slow

  • Water level

    Community scientist interpretation

    Low


Chemistry tests

  • Ammonia

    Hanna checker (ammonia - low range)

    0.10 mg/L

  • Conductivity

    Other pen-type meter (conductivity)

    1,020 μS/cm

  • Water temperature

    Other thermometer

    22.5 °C

  • Phosphate

    Hanna checker (phosphate - low range)

    2.28 mg/L

  • Turbidity

    Turbidity tube (45 cm)

    ≤ 12 NTU