Observation

Riverside Park (Upstream)

Dollis Brook

River or stream

Quality check pending

October 14, 2025 at 1:40 PM

View trends at this location

Weather observations

  • Current weather

    Community scientist interpretation

    • Cloudy
  • Weather in the past 24hrs

    Community scientist interpretation

    • Cloudy

Qualitative readings

  • Clarity

    Community scientist interpretation

    Clear

  • Water flow

    Community scientist interpretation

    Steady

  • Water level

    Community scientist interpretation

    Low

  • Algae

    Community scientist interpretation

    None

  • Odour

    Community scientist interpretation

    None

  • Pollution sources

    Community scientist interpretation

    Residential discharge, Urban/road discharge

  • Water use

    Community scientist interpretation

    Other

  • Colour

    Community scientist interpretation

    Clear

  • Water surface

    Community scientist interpretation

    None

Chemistry tests

  • Conductivity

    μS/cm

    Other pen-type meter (conductivity)

    875

  • Turbidity

    NTU

    Turbidity tube (45 cm)

    12

  • Water temperature

    °C

    Other thermometer

    13.0

  • Phosphates

    mg/L

    Hanna checker (phosphates - low range)

    1.78

  • Air temperature

    °C

    Other thermometer

    13.0

  • Ammonia

    mg/L

    Hanna checker (ammonia - medium range)

    0.00

Recent photos

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Notes

Still shallow and gravel banks. Facing downstream water running quite steadily right hand side, left side deeper and pooled not really running. Leaf debris in water. Disturbed a couple of Moorhens

Land use
Bank vegetation