Observation

East Holland River at Aurora Community Arboretum (AFLC)

Lake Simcoe

River or stream

September 29, 2024 at 1:14 PM

QA status: Reviewed: quality check complete

Weather observations

  • Current weather

    Community scientist interpretation

    • Sunny

  • Current weather description

    Community scientist interpretation

    sunny and warm with late summer humidity

  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny

Chemistry tests

  • pH

    Taylor teststrips (pH)

    8.5

    Regulatory

  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    9.5 mg/L

    Regulatory

  • Hardness

    Taylor teststrips (hardness)

    300 ppm

  • Alkalinity

    Taylor teststrips (alkalinity)

    180 ppm

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    915 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    22 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    17.5 °C

  • Chlorine

    Taylor teststrips (chlorine)

    ≤ 0 ppm

Notes

On the water surface: None In the immediate surroundings: Residential discharge Evidence of water uses: none Algae? No Water flow: steady Estimated water level: low Water colour: clear Clarity: clear Odour: none