Observation

Tewkesbury Nature Reserve: Downstream of central foot bridge

River Swilgate

River or stream

November 17, 2022 at 2:30 PM

QA status: Reviewed: quality check complete

Weather observations

  • Current weather

    Community scientist interpretation

    • Sunny
  • Weather in the past 24hrs

    Community scientist interpretation

    • Rainy

Chemistry tests

  • pH

    Taylor teststrips (pH)

    7.8

    Regulatory
  • Ammonia

    Hanna checker (ammonia - medium range)

    2.9 mg/L

  • Chlorine

    Taylor teststrips (chlorine)

    0.25 ppm

  • Hardness

    Taylor teststrips (hardness)

    400 ppm

  • Alkalinity

    Taylor teststrips (alkalinity)

    120 ppm

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    750 μS/cm

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    11.5 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    13.6 °C

  • Phosphate-phosphorus

    Kyoritsu Packtest (phosphate-phosphorus)

    0.7 mg/L

  • Nitrate-nitrogen

    Kyoritsu Packtest (nitrate-nitrogen)

    ≥ 10 mg/L


Notes

This observation was taken the day after a pollution incident. It has been notified to the Environment Agency who took samples. Dead fish were seen yesterday. The cause was thought to be farm slurry. Unpleasant smell persisting today. Extra reading of phosphate taken on Hanna checker. Reading was 2.08ppm