Perch Creek Headwaters

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Physical tests

• Water depth

  Secchi disk (20 cm diameter)

  0.75 m

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Chemistry tests

• Air temperature

  Water Rangers (stream thermometer) and/or weather app

  -9 °C

• pH

  Taylor teststrips (pH)

  7.0

  Regulatory

• Oxygen

  Chemetrics ampoules (dissolved oxygen)

  8.8 mg/L

  Regulatory

• Chloride

  Hach teststrips (chloride - low range)

  28.0 mg/L

  Regulatory

• Alkalinity

  Taylor teststrips (alkalinity)

  192 ppm

• Water temperature

  Water Rangers pen-type meter (temperature)

  0.5 °C

• Turbidity

  Turbidity tube (45 cm)

  < 0 NTU

• Nitrate-nitrogen

  Kyoritsu Packtest (nitrate-nitrogen)

  ≤ 0 mg/L

• Phosphate

  Unspecified equipment (phosphate)

  ≤ 0 ppm