cfc7b050-db26-4a65-814c-bc2a5585aec9 Esemptiad Ansawdd Dŵr 2026-05-07 Cyfoeth Naturiol Cymru environment features nrw_water_quality_exemptions 49.76680681317516 54.04011053137993 -8.090369596162573 -2.062287779810857 en Mae'r Rheoliadau Trwyddedu Amgylcheddol yn cynnwys esemptiadau rhag bod angen trwydded amgylcheddol ar gyfer rhai gollyngiadau dŵr a gweithgareddau dŵr daear. Mae esemptiadau yn cynnwys gollwng carthion domestig wedi’u trin naill ai i ddŵr wyneb neu ddŵr daear, rheoli llystyfiant ger/ar ddŵr mewndirol, sylweddau i’r ddaear at ddibenion gwyddonol a gollyngiadau o systemau gwresogi ac oeri dolen agored. Rhaid i'r esemptiadau hyn fod wedi'u cofrestru â Cyfoeth Naturiol Cymru. Mae'r set ddata Eithriadau Ansawdd Dŵr yn cynnwys lleoliadau'r esemptiadau cofrestredig hyn yng Nghymru. Rhybudd ynghylch Gwybodaeth Mae rhai cyfeiriadau grid o fewn y set ddata yn anghywir ac wedi'u plotio y tu allan i Gymru – mae'r rhain wrthi'n cael eu cywiro. Cydnabyddiaeth Yn cynnwys gwybodaeth Cyfoeth Naturiol Cymru © Cyfoeth Naturiol Cymru a Hawl Cronfa Ddata. Cedwir pob hawl. 2026-05-07 OGC:WFS https://mapdata.llyw.cymru/geoserver/ows OGC WFS: geonode Service OGC:WMS https://mapdata.llyw.cymru/geoserver/ows OGC WMS: geonode Service WWW:DOWNLOAD-1.0-http--download /static/geonode/img/missing_thumb.png?v=0a4d3f68 Esemptiad Ansawdd Dŵr (Thumbnail Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WMS&request=GetLegendGraphic&format=image/png&WIDTH=20&HEIGHT=20&LAYER=geonode:nrw_water_quality_exemptions&STYLE=point&version=1.3.0&sld_version=1.1.0&legend_options=fontAntiAliasing:true;fontSize:12;forceLabels:on Esemptiad Ansawdd Dŵr (Legend Format) WWW:LINK-1.0-http--link https://datamap.gov.wales/layers/geonode:nrw_water_quality_exemptions Web address (URL) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WFS&version=1.0.0&request=GetFeature&typename=geonode%3Anrw_water_quality_exemptions&outputFormat=json&srs=EPSG%3A27700&srsName=EPSG%3A27700 Esemptiad Ansawdd Dŵr (GeoJSON Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WFS&version=1.0.0&request=GetFeature&typename=geonode%3Anrw_water_quality_exemptions&outputFormat=excel&srs=EPSG%3A27700 Esemptiad Ansawdd Dŵr (Excel Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WFS&version=1.0.0&request=GetFeature&typename=geonode%3Anrw_water_quality_exemptions&outputFormat=csv&srs=EPSG%3A27700 Esemptiad Ansawdd Dŵr (CSV Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WFS&version=1.0.0&request=GetFeature&typename=geonode%3Anrw_water_quality_exemptions&outputFormat=text%2Fxml%3B+subtype%3Dgml%2F3.1.1&srs=EPSG%3A27700 Esemptiad Ansawdd Dŵr (GML 3.1.1 Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WFS&version=1.0.0&request=GetFeature&typename=geonode%3Anrw_water_quality_exemptions&outputFormat=gml2&srs=EPSG%3A27700 Esemptiad Ansawdd Dŵr (GML 2.0 Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WFS&version=1.0.0&request=GetFeature&typename=geonode%3Anrw_water_quality_exemptions&outputFormat=dxf&srs=EPSG%3A27700 Esemptiad Ansawdd Dŵr (DXF Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WFS&version=1.0.0&request=GetFeature&typename=geonode%3Anrw_water_quality_exemptions&outputFormat=gpkg&srs=EPSG%3A27700 Esemptiad Ansawdd Dŵr (OGC Geopackage Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WFS&version=1.0.0&request=GetFeature&typename=geonode%3Anrw_water_quality_exemptions&outputFormat=SHAPE-ZIP&srs=EPSG%3A27700&format_options=charset%3AUTF-8 Esemptiad Ansawdd Dŵr (Zipped Shapefile Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WMS&request=GetMap&layers=geonode%3Anrw_water_quality_exemptions&format=image%2Fpng&height=550&width=472&srs=EPSG%3A27700&bbox=0.0%2C0.0%2C395623.0%2C460460.0 Esemptiad Ansawdd Dŵr (PNG Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WMS&request=GetMap&layers=geonode%3Anrw_water_quality_exemptions&format=application%2Fpdf&height=550&width=472&srs=EPSG%3A27700&bbox=0.0%2C0.0%2C395623.0%2C460460.0 Esemptiad Ansawdd Dŵr (PDF Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/geoserver/ows?service=WMS&request=GetMap&layers=geonode%3Anrw_water_quality_exemptions&format=image%2Fjpeg&height=550&width=472&srs=EPSG%3A27700&bbox=0.0%2C0.0%2C395623.0%2C460460.0 Esemptiad Ansawdd Dŵr (JPEG Format) WWW:DOWNLOAD-1.0-http--download https://datamap.gov.wales/download/2359 Esemptiad Ansawdd Dŵr (Original dataset Format) CEOS IDN DIF 9.7