4f4c4942-4343-5764-6473-313233333138 English Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en 2026-04-27T16:02:39.118Z NRW 1.0 wel British National Grid (EPSG::27700) Water Quality Exemptions Water Quality Exemptions Esemptiad Ansawdd Dŵr 2026-04-23 NRW_DS123318 The Environmental Permitting Regulations contains exemptions from needing an environmental permit for certain water discharges and groundwater activities. Exemptions cover the discharge of treated domestic sewage to either surface or groundwater, managing vegetation near/on inland water, substances to ground for scientific purposes and discharges from open loop heating and cooling systems. These exemptions must be registered with Natural Resources Wales. The Water Quality Exemptions dataset contains the locations for these registered exemptions in Wales. The Environmental Permitting Regulations contains exemptions from needing an environmental permit for certain water discharges and groundwater activities. Exemptions cover the discharge of treated domestic sewage to either surface or groundwater, managing vegetation near/on inland water, substances to ground for scientific purposes and discharges from open loop heating and cooling systems. These exemptions must be registered with Natural Resources Wales. The Water Quality Exemptions dataset contains the locations for these registered exemptions in Wales. 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. 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 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 Addresses Utility and governmental services GEMET - INSPIRE themes, version 1.0 2008-06-01 geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme septic tank sewage NRW Thesaurus 2026-03-04 geonetwork.thesaurus.local.theme.converted_nrw-keywords SeaDataNet Parameter Discovery Vocabulary 2024-06-19 geonetwork.thesaurus.external.theme.rdf+xml IPSV Subjects List 2020-11-18 geonetwork.thesaurus.external.theme.subjects NRW SMNR Keywords 2024-06-26 geonetwork.thesaurus.local.theme.converted_nrw-smnr-keywords Access to this data may be restricted under relevant legislation. no limitations © CNC/NRW Data may be re-used under provision and in line with the terms of a NRW licence. Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. NRW Conditional English environment SeaVoX Vertical Co-ordinate Coverages 2021-01-06 Wales (WLS) -5.777741 -2.608865 51.240829 53.513067 1952-01-01 Geographic Information System ESRI Feature Class https://datamap.gov.wales/capabilities/layer/2359/?ows_service=wms OGC:WMS Web Mapping Service https://datamap.gov.wales/layers/geonode:nrw_water_quality_exemptions WWW:LINK-1.0-http--link Data Download and Web Service 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 Some grid references within the data set are incorrect and are plotted outside Wales – these are in the process of being corrected. Some grid references within the data set are incorrect and are plotted outside Wales – these are in the process of being corrected.