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Historic monitoring evidence · Environment Agency

Lew Mill

Devon and Cornwall and the Isles of Scilly · survey site

This page records ecological survey evidence. It is not proof of current fish presence, abundance, fishing quality, access, permission or safety at this location.

26survey events
10 Aug 1984first recorded survey
11 Aug 2025latest recorded survey
10observed taxa shown

Observed taxa

What monitoring recorded here

Taxa are ordered by latest survey date. Counts and records reflect monitoring events, not an angling forecast.

Brown / sea trout

Salmo trutta
First record
10 Aug 1984
Latest record
11 Aug 2025
Survey events
26

Atlantic salmon

Salmo salar
First record
10 Aug 1984
Latest record
11 Aug 2025
Survey events
26

Bullhead

Cottus gobio
First record
10 Aug 1984
Latest record
11 Aug 2025
Survey events
26

Minnow

Phoxinus phoxinus
First record
10 Aug 1984
Latest record
11 Aug 2025
Survey events
22

Stone loach

Barbatula barbatula
First record
31 Jul 1993
Latest record
11 Aug 2025
Survey events
22

Brook lamprey ammocoetes

Lampetra planeri
First record
13 Aug 2007
Latest record
11 Aug 2025
Survey events
10

Brook lamprey > ammocoete

Lampetra planeri
First record
25 Aug 2021
Latest record
25 Aug 2021
Survey events
1

European eels > elvers

Anguilla anguilla
First record
31 Jul 1993
Latest record
7 Aug 2013
Survey events
4

Grayling

Thymallus thymallus
First record
10 Aug 1984
Latest record
15 Jul 2009
Survey events
2

European eel

Anguilla anguilla
First record
10 Aug 1984
Latest record
25 Jul 2008
Survey events
9

Rules and access

Check before you travel.

Environment Agency ecology records do not carry fishing-rights boundaries or live restrictions. Confirm the fishery owner, permission, local byelaws, seasonal rules, safety notices and current conditions before setting out.

Check live freshwater fishing rules

Provenance

Source, licence and boundary

Open the official dataset