Observation

Ottawa

Dows Lake

Lake

May 26, 2017 at 2:00 PM

QA status: Reviewed: quality check complete

Physical tests

  • Secchi depth (clarity)

    Secchi disk (20 cm diameter)

    1.5 m

Chemistry tests

  • pH

    Taylor teststrips (pH)

    7.8

    Regulatory

  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    8.0 mg/L

    Regulatory

  • Hardness

    Taylor teststrips (hardness)

    450 ppm

  • Alkalinity

    Taylor teststrips (alkalinity)

    120 ppm

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    652 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    16 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    17.2 °C

Notes

After 24 hrs of rain Test done with light drizzle