Observation

Casablanca Beach

Lake Ontario

Lake

June 13, 2026 at 11:39 AM

QA status: Reviewed: quality check complete

Dataset admin QA notes:

2026-06-16 — Kiersten Garside

.

Weather observations

  • Current weather

    Community scientist interpretation

    • Sunny

  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny

Qualitative readings

  • Water use

    Community scientist interpretation

    Boating

  • Colour

    Community scientist interpretation

    Blue

  • Clarity

    Community scientist interpretation

    Clear

Plants/wildlife

  • Algae

    Community scientist interpretation

    None

Issue reporting

  • Water surface

    Community scientist interpretation

    None

  • Pollution sources

    Community scientist interpretation

    Urban/road discharge

  • Odour

    Community scientist interpretation

    None

Chemistry tests

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    26 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    18.8 °C

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    348 μS/cm

  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    ≥ 12.0 mg/L

    Regulatory

  • Chlorine

    Taylor teststrips (chlorine)

    0.25 ppm

  • pH

    Taylor teststrips (pH)

    8.1

    Regulatory

  • Alkalinity

    Taylor teststrips (alkalinity)

    120 ppm

  • Hardness

    Taylor teststrips (hardness)

    100 ppm

  • Chloride

    Hach teststrips (chloride - low range)

    36.0 mg/L

    Regulatory

Notes

Water testing demonstration