Location

Henley Island Boathouse

Martindale Pond

Martindale Pond in Ontario

Dataset summary

Henley Island Boathouse has data for current_weather, previous_weather, previous_weather_description, Ice on, algae, water_flow, water_level, clarity, water_temperature, conductivity, chloride, on_the_water_s_surface, pollution_sources, water_use, colour, odour, air_temperature, current_weather_description, ph, hardness, alkalinity, chlorine, and oxygen from 29 October 2024 to 27 December 2025.

43.190155, -79.27537

Summary of quantitative results

Guidelines for exceedances are based on: Canada
  • Chemistry tests

    • Alkalinity

      ppm

      Taylor teststrips (alkalinity)

      120.0

      Latest

      120.0

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Oxygen

      %

      AZ instruments optical meter (%)

      110.3

      Latest

      110.05

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Oxygen

      mg/L

      Chemetrics ampoules (dissolved oxygen)

      9.0

      Latest

      9.0

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Chlorine

      ppm

      Taylor teststrips (chlorine)

      0.0

      Latest

      0.0

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Conductivity

      μS/cm

      Water Rangers pen-type meter (conductivity)

      282.0

      Latest

      286.73

      Average

    • pH

      Taylor teststrips (pH)

      7.2

      Latest

      7.35

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Air temperature

      °C

      Water Rangers (stream thermometer) and/or weather app

      3.0

      Latest

      10.6

      Average

    • Water temperature

      °C

      Water Rangers pen-type meter (temperature)

      7.0

      Latest

      14.14

      Average

    • Hardness

      ppm

      Taylor teststrips (hardness)

      200.0

      Latest

      200.0

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

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Recent photos

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Land use
Bank vegetation
Location description
A boat launch on Henley Island in Martindale Pond. This site is along Twelve Mile Creek, downstream of the major 406 and QEW highways, as the water flows out into Lake Ontario.