Observation

Coteau Bay - CB3.5

Lake Diefenbaker

Lake

June 27, 2023 at 12:00 PM

QA status: Needs review

This observation is under review by Water Rangers, last updated on 2026-07-08, and has not been marked as checked yet. Details are below.

Review needed: pH's result of 8.88std_units is outside the expected range of 6.62-8.4std_units (25.0% difference from the historical median for this location).


Weather observations

  • Current weather

    Community scientist interpretation

    • Sunny
  • Current weather description

    Community scientist interpretation

    24 degrees C, wind 10 km/h W, cloud cover 15%


Qualitative readings

  • Colour

    Community scientist interpretation

    Colourless


Issue reporting

  • Water surface

    Community scientist interpretation

    None


Physical tests

  • Secchi depth (clarity)

    Secchi disk (20 cm diameter)

    3.73 m

  • Water depth

    Secchi disk (20 cm diameter)

    12.8 m


Chemistry tests

  • pH

    Taylor teststrips (pH)

    8.88

    Regulatory
  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    9.0 mg/L

    Regulatory
  • Conductivity

    Water Rangers pen-type meter (conductivity)

    392 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    24 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    22.2 °C