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fact section - water quality
Ref: W10

In terms of Water Quality rivers are described by the Environment Agency by the following River Ecosystem (RE) classifications:

Class Description

RE1 Water of very good quality suitable for all fish species

RE2 Water of good quality suitable for all fish species

RE3 Water of fair quality suitable for high class coarse fish populations

RE4 Water of fair quality suitable for coarse fish populations

RE5 Water of poor quality which is likely to limit coarse fish populations

  produced by the WESTCOUNTRY RIVERS TRUST as part of the CORNWALL RIVERS PROJECT  
 

www.wrt.org.uk
www.cornwallriversproject.org.uk