Watermill Stream

6 fish species have been recorded at 1 location along the Watermill Stream.

Records updated10 August 2026Most recent survey: 2024
Fish species
6
Places surveyed
1
Survey visits
3
Records span
2004–2024

Local EA evidence

Where fish were recorded

1 of 1 places shown

Choose a point on the map to see what was recorded there.

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River conditions

Environment Agency evidence

Fish found in this river

Open a linked fish for detailed measurements, or use the map filter above to compare survey locations.

FishSitesMost recentFish countedMeasured lengthMeasured weight
Brown / sea troutSalmo trutta12024254Median: 12.6 cm254 fish measuredLargest measured brown / sea trout: 32.5 cmMedian: 0.2 oz (0.006 kg)94 fish weighedLargest measured: 9.2 oz (0.26 kg)
European eelAnguilla anguilla120249Median: 29.3 cm9 fish measuredLargest measured european eel: 49.5 cmMedian: 3.8 oz (0.107 kg)3 fish weighedLargest measured: 3.8 oz (0.108 kg)
Stone loachBarbatula barbatula1202483Median: 8.4 cm55 fish measuredLargest measured stone loach: 12.5 cmMedian: 0.2 oz (0.0045 kg)34 fish weighedLargest measured: 0.7 oz (0.021 kg)
Brook lampreyLampetra planeri120249Median: 13.2 cm8 fish measuredLargest measured brook lamprey: 13.5 cm—
PerchPerca fluviatilis120241Recorded length: 19.3 cm1 fish measured—
TenchTinca tinca120242Median: 15.7 cm2 fish measuredLargest measured tench: 18.9 cm—

EA surveys have recorded these fish at particular sites and times. Absence from a survey is not evidence that a species is absent from the river. Every valid individual length and weight is retained, with its sample size shown.

Useful context

This page follows survey locations along the main Watermill Stream. Tributaries and unrelated rivers with similar names are kept separate.

The map shows past fish records, not fishing access or a promise of what you’ll catch today.

How RiverFish handles the data →