Historic River Quality (GQA) 1990 to 2009

Where to find the Historic River Quality data

What's in your Backyard closing

As part of this decommissioning the Historic River Quality (GQA) will be removed on Thursday 27 July

The Historic River Quality (GQA) data is available to download under an Open Government Licence from DATA.GOV.UK 

How to download and use data


This data is used to determine a charge for an installation activity. To obtain the river classification information for your application please contact enquiries@environment-agency.gov.uk.