Location

South of Waltham

Ottawa River

Ottawa River in Ontario

Dataset summary

South of Waltham has data for ph, oxygen, secchi_depth, alkalinity, water_depth, conductivity, air_temperature, water_temperature, current_weather, current_weather_description, previous_weather, previous_weather_description, hardness, and chlorine from 7 July 2019 to 7 July 2019.

45.893682, -76.922922

Summary of quantitative results

Guidelines for exceedances are based on: Canada

  • Chemistry tests

    • Alkalinity

      ppm

      Taylor teststrips (alkalinity)

      40.0

      Latest

      40.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Oxygen

      mg/L

      Chemetrics ampoules (dissolved oxygen)

      10.0

      Latest

      10.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Chlorine

      ppm

      Taylor teststrips (chlorine)

      0.0

      Latest

      0.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Conductivity

      μS/cm

      Water Rangers pen-type meter (conductivity)

      52.0

      Latest

      52.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • pH

      Taylor teststrips (pH)

      7.2

      Latest

      7.2

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Air temperature

      °C

      Water Rangers (stream thermometer) and/or weather app

      26.0

      Latest

      26.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Water temperature

      °C

      Water Rangers pen-type meter (temperature)

      20.0

      Latest

      20.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Hardness

      ppm

      Taylor teststrips (hardness)

      0.0

      Latest

      0.0

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

  • Physical tests

    • Water depth

      m

      Secchi disk (20 cm diameter)

      7.7

      Latest

      7.7

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

    • Secchi depth (clarity)

      m

      Secchi disk (20 cm diameter)

      1.1

      Latest

      1.1

      Average

      Not enough data for trend yet

      Trendlines will appear once >3 datapoints are entered.

View observation list ›

Location description
This is an open stretch of river, just downstream of the inter-provincial bridge and south of the town of Waltham, QC. This is the convergence of two channels, one that flows north of Alumette Island, and one that flows from the south. There is a moderate current.