Observation

CRANLEIGH WATERS AT RUN COMMON, WONERSH

Cranleigh Waters

River or stream

September 2, 2026 at 11:54 AM

QA status: Reviewed: quality check complete

Weather observations

  • Current weather

    Community scientist interpretation

    • Cloudy

  • Current weather description

    Community scientist interpretation

    Recent rain

  • Weather in the past 24hrs

    Community scientist interpretation

    • Sunny
    • Cloudy
    • Rainy

Qualitative readings

  • Water use

    Community scientist interpretation

    Non recreational waterway

  • Colour

    Community scientist interpretation

    Colourless

  • Clarity

    Community scientist interpretation

    Clear

Plants/wildlife

  • Algae

    Community scientist interpretation

    None

Issue reporting

  • Water surface

    Community scientist interpretation

    None

  • Pollution sources

    Community scientist interpretation

    Urban/road discharge

  • Odour

    Community scientist interpretation

    None

Physical tests

  • Water flow

    Community scientist interpretation

    Steady

  • 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)

    17 °C

  • Conductivity

    Water Rangers pen-type meter (conductivity)

    565 μS/cm

  • Chlorine

    Taylor teststrips (chlorine)

    ≤ 0 ppm

  • pH

    Taylor teststrips (pH)

    ≤ 6.4

    Regulatory

  • Alkalinity

    Taylor teststrips (alkalinity)

    ≤ 0 ppm

  • Hardness

    Taylor teststrips (hardness)

    ≤ 0 ppm

  • Nitrate

    Kyoritsu Packtest (nitrate-nitrogen)

    9 mg/L

  • Phosphate

    Hanna checker (phosphate - low range)

    0.20 mg/L

Notes

First test after prolonged dry spell