Observation

Lower Don River

Lake Ontario

River or stream

July 13, 2025 at 7:30 AM

QA status: Reviewed: quality check complete

Weather observations

  • Current weather

    Community scientist interpretation

    • Sunny
    • Cloudy
  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny
    • Cloudy

Physical tests

  • Turbidity

    Turbidity tube (45 cm)

    12.2 NTU


Chemistry tests

  • pH

    Taylor teststrips (pH)

    7.33

    Regulatory
  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    8.71 mg/L

    Regulatory
  • Conductivity

    Water Rangers pen-type meter (conductivity)

    121 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    25 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    25.26 °C

  • Total dissolved solids (TDS)

    Other pen-type meter (TDS)

    777 ppm


Notes

Low water levels - not possible to get 1m depth.