Location

Broomfield Upper Lake NW Inlet

Broomfield Upper Lake

Broomfield Upper Lake in England

Dataset summary

Broomfield Upper Lake NW Inlet has data for previous_weather, clarity, water_use, colour, algae, odour, pollution_sources, on_the_water_s_surface, water_flow, water_level, oxygen, ammonia, phosphates, air_temperature, conductivity, water_temperature, total_dissolved_solids_tds, current_weather_description, previous_weather_description, current_weather, turbidity, and secchi_depth from 11 June 2025 to 3 April 2026.

51.618446, -0.117374

Summary of quantitative results

Guidelines for exceedances are based on: United Kingdom

  • Physical tests

    • Secchi depth (clarity)

      Secchi disk (20 cm diameter)

      m

      12.0

      Latest

      12.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

  • Chemistry tests

    • Ammonia

      Hanna checker (ammonia - low range)

      mg/L

      0.7

      Latest

      0.7

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Total dissolved solids (TDS)

      Other pen-type meter (TDS)

      ppm

      591.0

      Latest

      534.57

      Average

      View chart breakdown

    • Oxygen

      Unspecified equipment (dissolved oxygen %)

      %

      42.5

      Latest

      42.5

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Oxygen

      Unspecified equipment (dissolved oxygen in mg/L)

      mg/L

      4.41

      Latest

      6.5

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Conductivity

      Other pen-type meter (conductivity)

      μS/cm

      859.0

      Latest

      714.7

      Average

      View chart breakdown

    • Phosphate

      Hanna checker (phosphate - low range)

      mg/L

      2.5

      Latest

      1.99

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

View observation list ›

About this location

  • Water body type Lake
  • Dataset Lea Guardians, Thames21
  • Data collector Jenny Edwards
  • Land use Urban park
  • Bank vegetation Trees and shrubs
  • Location description The main inlet for Thames Water surface water drain from uphill North of Broomfield Park. Water flowing into lake from the inlet pipe.