Observation

Bonehayne

Southleigh Stream

River or stream

October 3, 2026 at 10:22 AM

QA status: Approved by dataset admin

Weather observations

  • Current weather

    Community scientist interpretation

    • Sunny

  • Rain in previous 24 hours

    Community scientist interpretation

    None

Qualitative readings

  • Colour

    Community scientist interpretation

    Colourless, Yellow

  • Clarity

    Community scientist interpretation

    Clear

Plants/wildlife

  • Aquatic vegetation

    Community scientist interpretation

    Submerged (fully under the water) More than 33%
    Plants floating on the surface 5 to 33%
    Plants emerging out of the water More than 33%
    Algae (crusts or thin mats) More than 33%
    Algae (thick mats, can be free floating) More than 33%

  • Vegetation on shore or riverbank

    Community scientist interpretation

    Short herb grasses , Tall plants (grasses, flowers), Mature trees

  • Problem plant species spotted during survey (UK)

    Community scientist interpretation

    Himalayan balsam

  • Wildlife spotted during survey (UK)

    Community scientist interpretation

    Grey wagtail, Flies

Issue reporting

  • Evidence of recent pollution

    Community scientist interpretation

    Foam Small amount

  • Outfalls, pipes and drains

    Community scientist interpretation

    No outfall observed

Physical tests

  • Estimated width at water level

    Community scientist estimate (width)

    2 m

  • Estimated average water depth

    Community scientist estimate (depth)

    .2 m

  • Water level

    Community scientist interpretation

    Average

  • Water flow

    Community scientist interpretation

    Steady

  • Natural obstacles to fish or flow

    Community scientist interpretation

    Debris dam - partial, Some vegetation partially blocking. Diagonal metal 15cm across stream downstream bridge

  • Channel bed materials

    Community scientist interpretation

    Cobble, Gravel - pebble, Silt / clay

  • Turbidity

    Turbidity tube (50 cm)

    < 12 NTU

Chemistry tests

  • Phosphate

    Hanna checker (phosphate - low range)

    0.37 mg/L

  • Nitrate

    WaterWorks Nitrate/Nitrite Test Strips (nitrate-nitrogen)

    0.5 mg/L

  • Nitrite

    WaterWorks Nitrate/Nitrite Test Strips (nitrite-nitrogen)

    ≤ 0 mg/L

  • Ammonia

    Simplex Health teststrip (ammonia-nitrogen - low range)

    0.5 mg/L

  • Water temperature

    HM Digital EC-3 multimeter (temperature)

    16.4 °C

  • Conductivity

    HM Digital EC-3 multimeter (conductivity)

    324 μS/cm