Observation

Barkow lane

Big Rideau Lake

Lake

September 28, 2025 at 4:35 PM

QA status: Reviewed: quality check complete

Weather observations

  • Current weather description

    Community scientist interpretation

    sunny late afternoon with a slight breeze

  • Weather in the past 24hrs description

    Community scientist interpretation

    sunny with cloudy periods...

  • Current weather

    Community scientist interpretation

    • Sunny

Physical tests

  • Water depth

    Secchi disk (20 cm diameter)

    1.43 m

  • Secchi depth (clarity)

    Secchi disk (20 cm diameter)

    bottom visible m


Chemistry tests

  • pH

    Taylor teststrips (pH)

    6.8

    Regulatory
  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    8.0 mg/L

    Regulatory
  • Hardness

    Taylor teststrips (hardness)

    200 ppm

  • Alkalinity

    Taylor teststrips (alkalinity)

    100 ppm

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    201 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    24 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    18 °C

  • Chlorine

    Taylor teststrips (chlorine)

    ≤ 0 ppm


Notes

Water level has dropped noticibly since the last test. Water is clear with easily seen bottom features