Observation

Ruisseau Place du Parc Saint-Lazare

Décharge Saint-Lazare

River or stream

View trends at this location

February 4, 2026 at 7:54 AM

QA status: Needs review

This observation is under review by Water Rangers, last updated on 2026-02-04, and has not been marked as checked yet. Details are below.

Review needed: Based on previous readings, conductivity's result of 478μS/cm is outside the expected range of 692.92-764.08μS/cm.

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

Chemistry tests

  • pH

    Taylor teststrips (pH)

    7.5

  • Chlorine

    ppm

    Taylor teststrips (chlorine)

    0

  • Hardness

    ppm

    Taylor teststrips (hardness)

    200

  • Alkalinity

    ppm

    Taylor teststrips (alkalinity)

    80

  • Conductivity

    μS/cm

    Water Rangers pen-type meter (conductivity)

    478

  • Air temperature

    °C

    Water Rangers (stream thermometer) and/or weather app

    -8

  • Water temperature

    °C

    Water Rangers pen-type meter (temperature)

    3.7

  • Oxygen

    mg/L

    Chemetrics ampoules (dissolved oxygen)

    8

  • Chloride

    mg/L

    Hach teststrips (chloride - low range)

    30

Physical tests

  • Water depth

    m

    Secchi disk (20 cm diameter)

    17

Recent photos

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Land use
Urban residential
Bank vegetation
Trees and shrubs, Grass
Location description
Ruisseau traversant la municipalité de Saint-Lazare - Décharge qui borde un quartier résidentiel anciennement un camping. Le lac des Cèdres qui juxtaposait ce ruisseau a été remblayé et le ruisseau subsiste.