Observation

Ottawa

Dows Lake

Lake

View trends at this location

May 26, 2017 at 2:00 PM

QA status: Reviewed: quality check complete

Chemistry tests

  • pH

    Taylor teststrips (pH)

    7.8

  • Oxygen

    mg/L

    Chemetrics ampoules (dissolved oxygen)

    8

  • Hardness

    ppm

    Taylor teststrips (hardness)

    450

  • Alkalinity

    ppm

    Taylor teststrips (alkalinity)

    120

  • Conductivity

    μS/cm

    Water Rangers pen-type meter (conductivity)

    652

  • Air temperature

    °C

    Water Rangers (stream thermometer) and/or weather app

    16

  • Water temperature

    °C

    Water Rangers pen-type meter (temperature)

    17.2

Physical tests

  • Secchi depth (clarity)

    m

    Secchi disk (20 cm diameter)

    1.5

Recent photos

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Notes

After 24 hrs of rain Test done with light drizzle

Location description
Part of Rideau Canal in centre of city