Observation

Picton Harbour at Mouth of Marsh Creek

Picton Harbour on Lake Ontario

Lake

July 1, 2026 at 1:40 PM

QA status: Reviewed: quality check complete

Weather observations

  • Weather in the past 24hrs

    Community scientist interpretation

    • Cloudy
    • Rainy
  • Current weather description

    Community scientist interpretation

    Sunny and humid

  • Weather in the past 24hrs description

    Community scientist interpretation

    Approx 8 mm rainfall overnight.

  • Current weather

    Community scientist interpretation

    • Sunny

Physical tests

  • Ice presence

    Community scientist interpretation

    Ice off

  • Secchi depth (clarity)

    Secchi disk (20 cm diameter)

    1.3 m

  • Water depth

    Secchi disk (20 cm diameter)

    2.3 m


Chemistry tests

  • pH

    Taylor teststrips (pH)

    8.1

    Regulatory
  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    7.0 mg/L

    Regulatory
  • Hardness

    Taylor teststrips (hardness)

    150 ppm

  • Alkalinity

    Taylor teststrips (alkalinity)

    100 ppm

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    330 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    31 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    24.4 °C


Notes

Sunny and extremely humid. Approx 8 mm rainfall overnight. No birds around. Harbour conditions much improved since the fountain has been replaced and operating properly to keep water from stagnating.