Observation

O’Mearas Bay

Big Rideau Lake

Lake

August 3, 2025 at 5:43 PM

QA status: Reviewed: quality check complete

Weather observations

  • Current weather

    Community scientist interpretation

    • Windy
    • Sunny
  • Current weather description

    Community scientist interpretation

    hazy

  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny
    • Windy

Physical tests

  • Secchi depth (clarity)

    Secchi disk (20 cm diameter)

    4 m


Chemistry tests

  • Hardness

    Taylor teststrips (hardness)

    > 1,000 ppm

  • pH

    Taylor teststrips (pH)

    7.8

    Regulatory
  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    8.0 mg/L

    Regulatory
  • Alkalinity

    Taylor teststrips (alkalinity)

    40 ppm

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    181 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    25 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    24.9 °C

  • Chlorine

    Taylor teststrips (chlorine)

    ≤ 0 ppm


Notes

air quality alert ….smoke