Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 establishing a framework for Community action in the field of water policy
Pan adawodd y DU yr UE, cyhoeddodd legislation.gov.uk ddeddfwriaeth yr UE a gyhoeddwyd gan yr UE hyd at ddiwrnod cwblhau’r cyfnod gweithredu (31 Rhagfyr 2020 11.00 p.m.). Ar legislation.gov.uk, mae'r eitemau hyn o ddeddfwriaeth yn cael eu diweddaru'n gyson ag unrhyw ddiwygiadau a wnaed gan y DU ers hynny.
Cyhoeddir Cyfarwyddebau’r UE ar y wefan hon i gynorthwyo croesgyfeirio o ddeddfwriaeth y DU. Ers diwrnod cwblhau’r cyfnod gweithredu (31 Rhagfyr 2020 11.00 p.m.) nid oes unrhyw ddiwygiadau wedi'u cymhwyso i'r fersiwn hon.
Composition and abundance of aquatic flora
Composition and abundance of benthic invertebrate fauna
Composition, abundance and age structure of fish fauna
Hydrological regime
quantity and dynamics of water flow
connection to groundwater bodies
River continuity
Morphological conditions
river depth and width variation
structure and substrate of the river bed
structure of the riparian zone
General
Thermal conditions
Oxygenation conditions
Salinity
Acidification status
Nutrient conditions
Specific pollutants
Pollution by all priority substances identified as being discharged into the body of water
Pollution by other substances identified as being discharged in significant quantities into the body of water
Composition, abundance and biomass of phytoplankton
Composition and abundance of other aquatic flora
Composition and abundance of benthic invertebrate fauna
Composition, abundance and age structure of fish fauna
Hydrological regime
quantity and dynamics of water flow
residence time
connection to the groundwater body
Morphological conditions
lake depth variation
quantity, structure and substrate of the lake bed
structure of the lake shore
General
Transparency
Thermal conditions
Oxygenation conditions
Salinity
Acidification status
Nutrient conditions
Specific pollutants
Pollution by all priority substances identified as being discharged into the body of water
Pollution by other substances identified as being discharged in significant quantities into the body of water
Composition, abundance and biomass of phytoplankton
Composition and abundance of other aquatic flora
Composition and abundance of benthic invertebrate fauna
Composition and abundance of fish fauna
Morphological conditions
depth variation
quantity, structure and substrate of the bed
structure of the intertidal zone
Tidal regime
freshwater flow
wave exposure
General
Transparency
Thermal conditions
Oxygenation conditions
Salinity
Nutrient conditions
Specific pollutants
Pollution by all priority substances identified as being discharged into the body of water
Pollution by other substances identified as being discharged in significant quantities into the body of water
Composition, abundance and biomass of phytoplankton
Composition and abundance of other aquatic flora
Composition and abundance of benthic invertebrate fauna
Morphological conditions
depth variation
structure and substrate of the coastal bed
structure of the intertidal zone
Tidal regime
direction of dominant currents
wave exposure
General
Transparency
Thermal conditions
Oxygenation conditions
Salinity
Nutrient conditions
Specific pollutants
Pollution by all priority substances identified as being discharged into the body of water
Pollution by other substances identified as being discharged in significant quantities into the body of water
The quality elements applicable to artificial and heavily modified surface water bodies shall be those applicable to whichever of the four natural surface water categories above most closely resembles the heavily modified or artificial water body concerned.
Mae’r holl gynnwys ar gael dan Drwydded Llywodraeth Agored v3.0 ac eithrio ble nodir yn wahanol. Yn ychwanegol mae’r safle hwn â chynnwys sy’n deillio o EUR-Lex, a ailddefnyddiwyd dan delerau Penderfyniad y Comisiwn 2011/833/EU ar ailddefnyddio dogfennau o sefydliadau’r UE. Am ragor o wybodaeth gweler ddatganiad cyhoeddus Swyddfa Gyhoeddiadau’r UE ar ailddefnyddio.
