Observation

Ruisseau Place du Parc Saint-Lazare

Décharge Saint-Lazare

River or stream

February 4, 2026 at 7:54 AM

QA status: Reviewed: quality check complete

Weather observations

  • Weather in the past 24hrs description

    Community scientist interpretation

    Mild

  • Current weather

    Community scientist interpretation

    • Sunny

  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny

Physical tests

  • Water depth

    Secchi disk (20 cm diameter)

    17 m

Chemistry tests

  • pH

    Taylor teststrips (pH)

    7.5

    Regulatory

  • Chlorine

    Taylor teststrips (chlorine)

    ≤ 0 ppm

  • Hardness

    Taylor teststrips (hardness)

    200 ppm

  • Alkalinity

    Taylor teststrips (alkalinity)

    80 ppm

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    748 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    -8 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    3.7 °C

  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    8.0 mg/L

    Regulatory

  • Chloride

    Hach teststrips (chloride - low range)

    30.0 mg/L

    Regulatory