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Historic monitoring evidence · Environment Agency

Downstream Forge Valley gauging weir. DERBT5.

Yorkshire · 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.

18survey events
24 Sept 2001first recorded survey
3 Sept 2024latest recorded survey
9observed 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
24 Sept 2001
Latest record
3 Sept 2024
Survey events
18

Bullhead

Cottus gobio
First record
24 Sept 2001
Latest record
3 Sept 2024
Survey events
15

Stone loach

Barbatula barbatula
First record
24 Sept 2001
Latest record
3 Sept 2024
Survey events
10

Grayling

Thymallus thymallus
First record
24 Sept 2001
Latest record
17 Aug 2022
Survey events
14

European eels > elvers

Anguilla anguilla
First record
23 Aug 2013
Latest record
24 Aug 2021
Survey events
3

Lampetra sp. ammocoetes

Lampetra
First record
13 Sept 2012
Latest record
24 Aug 2021
Survey events
2

Minnow

Phoxinus phoxinus
First record
24 Sept 2001
Latest record
20 Sept 2018
Survey events
5

European eel

Anguilla anguilla
First record
24 Sept 2001
Latest record
11 Sept 2014
Survey events
3

Lampetra sp.

Lampetra
First record
11 Sept 2014
Latest record
11 Sept 2014
Survey events
1

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