4f4c4942-4343-5764-6473-313136323633 English NRW_DS121599 Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en 2025-12-19T11:38:45.087Z NRW 1.0 wel British National Grid (EPSG::27700) Urban Waste Water Treatment Regulations (UWWTR) Sensitive Areas - Eutrophic Urban Waste Water Treatment Regulations (UWWTR) Sensitive Areas - Eutrophic Rheoliadau Trin Dŵr Gwastraff Trefol UWWTD Sensitive Areas – Eutrophic.LYR Ardaloedd Sensitif - Ewtroffig AfA249 Sensitive Areas – Eutrophic 2023-08-08 NRW_DS116263 The Water Environment (Water Framework Directive) (England and Wales) Regulations 2017 (WFD Regulations 2017) requires specification of protected areas for those areas designated as nutrient sensitive areas. The Urban Waste Water Treatment Regulations (UWWTR) Sensitive Areas Eutrophic layer is a replacement layer of the Welsh only sites previously designated under the Urban Waste Water Treatment Directive. It shows the extent of Urban Wastewater Treatment Regulation (UWWTR) sensitive areas (eutrophic). The UWWTR describes eutrophication as 'the enrichment of water by nutrients, especially compounds of nitrogen and/or phosphorous, causing an accelerated growth of algae and higher forms of plant life to produce an undesirable disturbance to the balance of organisms present in the water and to the quality of the water concerned'. The UWWTR regulates the collection and treatment of waste water from homes and from industry. In the UK, the Directive is implemented through the Urban Wastewater Treatment Regulations 1994. Under these Regulations, water bodies that are (or may soon become) eutrophic should be designated as sensitive areas by Defra. This applies to still fresh waters, rivers, estuaries and coastal waters. The Water Environment (Water Framework Directive) (England and Wales) Regulations 2017 (WFD Regulations 2017) requires specification of protected areas for those areas designated as nutrient sensitive areas. The Urban Waste Water Treatment Regulations (UWWTR) Sensitive Areas Eutrophic layer is a replacement layer of the Welsh only sites previously designated under the Urban Waste Water Treatment Directive. It shows the extent of Urban Wastewater Treatment Regulation (UWWTR) sensitive areas (eutrophic). The UWWTR describes eutrophication as 'the enrichment of water by nutrients, especially compounds of nitrogen and/or phosphorous, causing an accelerated growth of algae and higher forms of plant life to produce an undesirable disturbance to the balance of organisms present in the water and to the quality of the water concerned'. The UWWTR regulates the collection and treatment of waste water from homes and from industry. In the UK, the Directive is implemented through the Urban Wastewater Treatment Regulations 1994. Under these Regulations, water bodies that are (or may soon become) eutrophic should be designated as sensitive areas by Defra. This applies to still fresh waters, rivers, estuaries and coastal waters. Diffinnir 'dŵr gwastraff trefol' yn y Rheoliadau Trin Dŵr Gwastraff Trefol (RhTDGT) fel y cymysgedd o ddŵr gwastraff domestig o geginau, ystafelloedd ymolchi a thoiledau, y dŵr gwastraff o ddiwydiannau sy'n gollwng i garthffosydd, a dŵr glaw ffo o ffyrdd ac arwynebau anhydraidd eraill fel toeau, palmentydd a ffyrdd sy'n draenio i garthffosydd. Cyfeirir at ddŵr gwastraff trefol yn aml fel 'carthion'. Bwriad y RhTGDT yw diogelu'r amgylchedd dŵr ar gyfer yr anifeiliaid a'r planhigion sy'n byw mewn dŵr ac o'i gwmpas, yn ogystal ag at ddibenion hamdden a'r defnydd ohono fel adnodd ar gyfer dŵr yfed, glanweithdra, diwydiant a masnach. Mae'r cofnod hwn yn cyfeirio at gyfres o setiau data gofodol y gellir eu defnyddio ym maes rheoli Dŵr Gwastraff Trefol. O dan y RhTGDT, mae ardaloedd sensitif pellach wedi'u nodi oherwydd bod angen triniaeth bellach na thriniaeth eilaidd neu gyfatebol i fodloni Cyfarwyddebau EC eraill megis y Gyfarwyddeb Fframwaith Dŵr. Mae'r ardaloedd sy'n dod o dan ardaloedd sensitif yn cynnwys Dyfroedd Ymdrochi, Dyfroedd Pysgod Cregyn a dyfroedd sydd eisoes yn Ewtroffig neu a fydd yn Ewtroffig cyn bo hir. Dim ond ardaloedd sydd wedi'u dynodi gan Lywodraeth Cymru o dan Reoliadau'r Gyfarwyddeb Fframwaith Dŵr y mae Dyfroedd Pysgod Cregyn RhTGDT yn eu dangos. Mae Dyfroedd Ymdrochi RhTGDT yn dangos safleoedd lle mae triniaeth fwy caeth na thriniaeth eilaidd yn angenrheidiol i fodloni gofynion y Gyfarwyddeb Dyfroedd Ymdrochi a dylai Defra eu dynodi'n ardaloedd sensitif Mae Dyfroedd Ewtroffig RhTGDT yn gyrff dŵr sydd (neu a allai’n fuan droi) yn ewtroffig a dylent gael eu dynodi'n ardaloedd sensitif gan Defra. Mae hyn yn berthnasol i ddyfroedd croyw llonydd, afonydd, aberoedd a dyfroedd arfordirol. Datganiad priodoli Yn cynnwys gwybodaeth Cyfoeth Naturiol Cymru © Cyfoeth Naturiol Cymru a Hawl Cronfa Ddata. Cedwir pob hawl. Yn cynnwys data Arolwg Ordnans. Rhif Trwydded Arolwg Ordnans AC0000849444. Hawlfraint y Goron a Hawl Cronfa Ddata. Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en Environment Agency Wales (EA Wales) Cambria House, 29 Newport Road, Cardiff, CF24 0TP, Wales enquiries@environment-agency.gov.uk www.environment-agency.gov.uk Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en Area management/restriction/regulation zones and reporting units GEMET - INSPIRE themes, version 1.0 2008-06-01 geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme wastewater (waste water) lake pollution sensitivity mapping coastal pollution river pollution eutrophication NRW Thesaurus 2025-01-08 geonetwork.thesaurus.local.theme.converted_nrw-keywords SeaDataNet Parameter Discovery Vocabulary 2024-06-19 geonetwork.thesaurus.external.theme.rdf+xml Water pollution Water quality IPSV Subjects List 2020-11-18 geonetwork.thesaurus.external.theme.subjects Ecosystem (SMNR) Freshwater and Wetlands (SMNR) Water Quality (SMNR) Management Areas (SMNR) Marine (SMNR) Sustainable Management of Natural Resources (SMNR) Natural Resources (Incl. Features and Processes) (SMNR) Soils (SMNR) Urban (SMNR) Water Resources (SMNR) Sea and Coast (SMNR) Coastal Margins (SMNR) NRW SMNR Keywords 2024-06-26 geonetwork.thesaurus.local.theme.converted_nrw-smnr-keywords There are no access restrictions on this data. NRW may release, publish or disseminate it freely. no limitations © 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. Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Open Government Licence English biota environment inlandWaters SeaVoX Vertical Co-ordinate Coverages 2021-01-06 Wales (WLS) -5.777741 -2.608865 51.240829 53.513067 2013-04-01 Geographic Information System Unknown ArcGIS https://datamap.gov.wales/layergroups/geonode:nrw_uwwtr WWW:LINK-1.0-http--link Download data and Web services https://datamap.gov.wales/capabilities/layergroup/5375/?ows_service=wms OGC:WMS Web Mapping Services Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 This dataset has not been assessed for conformance to the referenced INSPIRE regulation. false This dataset consists of the following in a single layer: - rivers currently designated as UWWTR eutrophic sensitive areas - shows harbours and estuaries currently designated as UWWTR eutrophic sensitive areas. The new polygons were created by selecting features from OS MasterMap Areas 2020. This was supplemented by features from OS MasterMap Areas 2014 upstream of Ross-on-Wye (that extend beyond the Welsh border). Black Brook was added to the feature for the Sensitive Area known as “River Alyn (including Black Brook and Mold Receiving stream)” which had been missing. This dataset consists of the following in a single layer: - rivers currently designated as UWWTR eutrophic sensitive areas - shows harbours and estuaries currently designated as UWWTR eutrophic sensitive areas. The new polygons were created by selecting features from OS MasterMap Areas 2020. This was supplemented by features from OS MasterMap Areas 2014 upstream of Ross-on-Wye (that extend beyond the Welsh border). Black Brook was added to the feature for the Sensitive Area known as “River Alyn (including Black Brook and Mold Receiving stream)” which had been missing.