Observation

End of dock

Lake Hardwood

Lake

April 30, 2019 at 2:05 PM

QA status: Reviewed: quality check complete

Physical tests

  • Secchi depth (clarity)

    Secchi disk (20 cm diameter)

    Bottom visible m

  • Ice presence

    Community scientist interpretation

    Ice off


Chemistry tests

  • pH

    Taylor teststrips (pH)

    6.8

    Regulatory
  • Oxygen

    Chemetrics ampoules (dissolved oxygen)

    8.0 mg/L

    Regulatory
  • Chlorine

    Taylor teststrips (chlorine)

    .5 ppm

  • Hardness

    Taylor teststrips (hardness)

    100 ppm

  • Alkalinity

    Taylor teststrips (alkalinity)

    60 ppm

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    88 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    19.5 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    11.7 °C


Notes

Ice off April 25. Not too much wildlife observed. No boat yet, so just observed at shore.