Location

Cornwall Waste Water Treatment Plant

St Lawrence River

St Lawrence River in Ontario

Dataset summary

Cornwall Waste Water Treatment Plant has data for previous_weather, hardness, alkalinity, water_depth, conductivity, air_temperature, water_temperature, current_weather, current_weather_description, ph, oxygen, secchi_depth, and chlorine from 24 July 2021 to 31 October 2024.

45.027138, -74.676991

Summary of quantitative results

Guidelines for exceedances are based on: Canada

  • Chemistry tests

    • Alkalinity

      ppm

      Taylor teststrips (alkalinity)

      70.0

      Latest

      130.0

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Oxygen

      mg/L

      Chemetrics ampoules (dissolved oxygen)

      7.0

      Latest

      7.0

      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)

      711.0

      Latest

      434.13

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • pH

      Taylor teststrips (pH)

      7.8

      Latest

      7.5

      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

      23.0

      Latest

      21.33

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Water temperature

      °C

      Water Rangers pen-type meter (temperature)

      16.7

      Latest

      19.90

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Hardness

      ppm

      Taylor teststrips (hardness)

      100.0

      Latest

      116.67

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

  • Physical tests

    • Water depth

      m

      Secchi disk (20 cm diameter)

      0.2

      Latest

      4.5

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Secchi depth (clarity)

      m

      Secchi disk (20 cm diameter)

      0.0

      Latest

      3.0

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

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