Location

O’Mearas Bay

Big Rideau Lake

Big Rideau Lake in Ontario

Dataset summary

O’Mearas Bay has data for hardness, oxygen, ph, chlorine, previous_weather, current_weather_description, current_weather, water_temperature, air_temperature, conductivity, alkalinity, secchi_depth, water_depth, turbidity, previous_weather_description, and Ice on from 1 January 1986 to 3 August 2025.

44.801338, -76.189121

Summary of quantitative results

Guidelines for exceedances are based on: Canada

  • Physical tests

    • Water depth

      m

      Secchi disk (20 cm diameter)

      1.0

      Latest

      1.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Secchi depth (clarity)

      m

      Secchi disk (20 cm diameter)

      4.0

      Latest

      4.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

  • Chemistry tests

    • Water temperature

      °C

      Water Rangers pen-type meter (temperature)

      24.9

      Latest

      23.05

      Average

      View chart breakdown

    • Turbidity

      NTU

      Turbidity tube (45 cm)

      1.0

      Latest

      1.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Conductivity

      μS/cm

      Water Rangers pen-type meter (conductivity)

      181.0

      Latest

      177.33

      Average

      View chart breakdown

    • Air temperature

      °C

      Water Rangers (stream thermometer) and/or weather app

      25.0

      Latest

      26.33

      Average

      View chart breakdown

View observation list ›

Recent photos

View more photos ›