Observation

O’Mearas Bay

Big Rideau Lake

Lake

June 26, 2026 at 7:26 PM

QA status: Reviewed: quality check complete

Weather observations

  • Current weather

    Community scientist interpretation

    • Sunny
    • Cloudy
  • Current weather description

    Community scientist interpretation

    calm warm

  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny
    • Cloudy
    • Rainy
  • Weather in the past 24hrs description

    Community scientist interpretation

    rainy sun and cloud


Physical tests

  • Water depth

    Secchi disk (20 cm diameter)

    15 m

  • Secchi depth (clarity)

    Secchi disk (20 cm diameter)

    7.3 m

  • Ice presence

    Community scientist interpretation

    Ice off


Chemistry tests

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    23 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    22.2 °C

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    187 μS/cm

  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    6.0 mg/L

    Regulatory
  • Chlorine

    Taylor teststrips (chlorine)

    ≤ 0 ppm

  • Alkalinity

    Taylor teststrips (alkalinity)

    40 ppm

  • pH

    Taylor teststrips (pH)

    6.8

    Regulatory
  • Hardness

    Taylor teststrips (hardness)

    100 ppm


Notes

sunny , slight wind