Location

Downstream Stepping Stones

Hogsmill

Hogsmill in Surrey

Dataset summary

Downstream Stepping Stones has data for clarity, on_the_water_s_surface, colour, odour, algae, previous_weather, current_weather, water_depth, phosphates, nitrate_nitrogen, ammonia, ph, alkalinity, hardness, chlorine, oxygen, conductivity, water_temperature, air_temperature, water_flow, water_level, secchi_depth, pollution_sources, current_weather_description, previous_weather_description, and nitrates from 22 June 2024 to 7 February 2026.

51.357527, -0.260732

Summary of quantitative results

Guidelines for exceedances are based on: United Kingdom

  • Chemistry tests

    • Oxygen

      %

      YSI meter (dissolved oxygen %)

      6.0

      Latest

      8.25

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Nitrates

      mg/L

      Unspecified equipment (nitrates)

      2.0

      Latest

      2.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Nitrate-nitrogen

      mg/L

      Kyoritsu Packtest (nitrate-nitrogen)

      1.0

      Latest

      1.86

      Average

      View chart breakdown

    • Conductivity

      μS/cm

      Water Rangers pen-type meter (conductivity)

      430.0

      Latest

      695.95

      Average

      View chart breakdown

    • Air temperature

      °C

      Water Rangers (stream thermometer) and/or weather app

      9.2

      Latest

      11.57

      Average

      View chart breakdown

    • Water temperature

      °C

      Water Rangers pen-type meter (temperature)

      9.1

      Latest

      11.72

      Average

      View chart breakdown

  • Physical tests

View observation list ›

Location description
Downstream Stepping Stones RMI site