Observation

SCN Railway Lands

Lewes Winterbourne

River or stream

September 7, 2026 at 6:30 PM

QA status: Needs review

This observation is under review by Water Rangers, last updated on 2026-09-07, and has not been marked as checked yet. Details are below.

Review needed: Conductivity's result of 1599μS/cm is outside the expected range of 411.65-714.75μS/cm (3.0 standard deviations from the historical mean for this location).

Weather observations

  • Current weather

    Community scientist interpretation

    • Cloudy

  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny
    • Cloudy

  • Recent precipitation

    Community scientist interpretation

    More than 72 hours ago

Qualitative readings

  • Colour

    Community scientist interpretation

    Colourless

  • Clarity

    Community scientist interpretation

    Clear

Plants/wildlife

  • Algae

    Community scientist interpretation

    None

Issue reporting

  • Water surface

    Community scientist interpretation

    Natural debris

  • Odour

    Community scientist interpretation

    None

Physical tests

  • Water flow

    Community scientist interpretation

    Still

  • Water level

    Community scientist interpretation

    Low

Chemistry tests

  • Air temperature

    Water Rangers (stream thermometer) and/or weather app

    20 °C

  • Water temperature

    Water Rangers pen-type meter (temperature)

    16.9 °C

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    1,599 μS/cm

  • Chlorine

    Taylor teststrips (chlorine)

    ≤ 0 ppm

  • pH

    Taylor teststrips (pH)

    8.0

    Regulatory

  • Alkalinity

    Taylor teststrips (alkalinity)

    180 ppm

  • Hardness

    Taylor teststrips (hardness)

    300 ppm

  • Nitrate

    Kyoritsu Packtest (nitrate-nitrogen)

    7.5 mg/L

  • Phosphate-phosphorus

    Kyoritsu Packtest (phosphate-phosphorus)

    0.01 mg/L