Observation

Outfall at RMI Site

Dollis Brook

River or stream

Quality check pending

November 4, 2025 at 9:50 AM

View trends at this location

Weather observations

  • Current weather

    Community scientist interpretation

    • Sunny
    • Cloudy
    • Windy
  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny
    • Cloudy
    • Rainy
    • Windy

Qualitative readings

  • Clarity

    Community scientist interpretation

    Clear

  • Water flow

    Community scientist interpretation

    Slow

  • Water level

    Community scientist interpretation

    Low

  • 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

  • Ammonia

    mg/L

    Hanna checker (ammonia - medium range)

    0.23

  • Conductivity

    μS/cm

    Other pen-type meter (conductivity)

    888

  • Turbidity

    NTU

    Turbidity tube (45 cm)

    12

  • Water temperature

    °C

    Other thermometer

    14.2

  • Phosphates

    mg/L

    Hanna checker (phosphates - low range)

    0.42

Recent photos

View more photos ›

Notes

Testers Jude and Nicky Results still much improved in comparison with earlier samples and SWOP action from Thames Water Still debris in body of Outfall and some sewage fungus remains on base, but bricks of the walls are now clearly visible when previously covered in fungus

Location description
Outfall at RMI site. Chronic issues with this outfall and long term misconnections, sewage fungus, smell etc. Unhealthy!