Location

Brook Farm Open Space

Dollis Brook

Dollis Brook in Barnet

Dataset summary

Brook Farm Open Space has data for previous_weather, clarity, water_flow, water_level, ammonia, conductivity, turbidity, water_temperature, phosphates, air_temperature, current_weather, algae, odour, pollution_sources, colour, on_the_water_s_surface, water_use, current_weather_description, previous_weather_description, secchi_depth, oxygen, and ph from 7 November 2024 to 20 February 2026.

51.635848, -0.18321

Summary of quantitative results

Guidelines for exceedances are based on: United Kingdom
  • Chemistry tests

    • Ammonia

      mg/L

      Hanna checker (ammonia - low range)

      0.99

      Latest

      0.99

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Oxygen

      mg/L

      LaMotte (dissolved oxygen)

      9.0

      Latest

      9.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Conductivity

      μS/cm

      Other pen-type meter (conductivity)

      492.0

      Latest

      733.93

      Average

    • pH

      Other pen-type meter (pH)

      7.57

      Latest

      7.57

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

  • Physical tests

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Recent photos

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Location description
Upper Brent Catchment Footbridge over the Brook to the Brook Farm playing fields