4f4c4942-4343-5764-6473-313138353835 eng dataset Natural Resources Wales (NRW) 0300 065 3000 Maes-y-Ffynnon LL57 2DW enquiries@naturalresourceswales.gov.uk pointOfContact 2023-06-14 Gemini 2.2 urn:ogc:def:crs:EPSG::BNG OGP Historic General Quality Assessment (GQA) Headline Indicators of Water Courses Prif Ddangoswyr Hanesyddol Asesiad Ansawdd Cyffredinol o Gyrsiau Dŵr 2017-03-21 publication 118585 https://naturalresources.wales The General Quality Assessment (GQA) Headline Indicator scheme or GQAHI (previously known as GQA) was the national indicator for water quality in rivers and canals. It was designed to provide an accurate and consistent assessment of the state of water quality and how it changes over time. These assessments were made for Biological, Chemical and Nutrients and undertaken for discrete river stretches. This is now a static dataset and 2009 was the final year of the scheme. Natural Resources Wales (NRW) 0300 065 3000 Maes-y-Ffynnon LL57 2DW enquiries@naturalresourceswales.gov.uk owner Environment Agency Wales 08708 506 506 Environment Agency Wales Cambria House CF24 0TP enquiries@environment-agency.gov.uk originator notPlanned Documents Hydrography GEMET - INSPIRE themes, version 1.0 2023-06-15 publication © CNC/NRW Data may be re-used under the terms of the Open Government Licence providing it is done so, acknowledging both the source and NRW's copyright. It is the recipient's responsibility to ensure the data is fit for the intended purpose. otherRestrictions There are no access restrictions on this data. NRW may release, publish or disseminate it freely. eng inlandWaters ISO3166 Countries 2023-06-15 publication Wales (WLS) -5.77774100 -2.60886500 51.24082900 53.51306700 2000-01-01 2010-01-01 Natural Resources Wales (NRW) 0300 065 3000 Maes-y-Ffynnon LL57 2DW enquiries@naturalresourceswales.gov.uk distributor https://datamap.gov.wales/documents/2640 Download Data and Web Services dataset This is an over arching metadata record for the Biological, Chemical and Nutrient datasets. See the specific metadata for each dataset for further information.