Large Raised Reservoir (Registered information)
Cronfa Ddŵr Ddyrchafedig Fawr (Gwybodaeth gofrestredig)

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  • wel
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This dataset contains details of Large Raised Reservoirs.


Natural Resources Wales (NRW) collects and maintains data on reservoirs designed or capable of holding more than 10,000 cubic metres of water above the natural level of any part of the land adjoining them defined as 'large raised reservoirs' under the Reservoirs Act 1975. Two types of reservoir are maintained within the register:


- Impounding; or

- Non-Impounding.


This dataset is an extract from NRW’s Cronfeydd/Reservoir Database. It contains registered information about the physical characteristics and inspection regimes of the dam.

Mae'r set ddata hon yn cynnwys manylion cronfeydd dŵr uwch mawr. Mae Cyfoeth Naturiol Cymru (CNC) yn casglu a chynnal data ar bob cronfa ddŵr ddynodedig neu bob cronfa ddŵr sy'n gallu dal dros 10,000 metr ciwbig o ddŵr uwchben lefel naturiol unrhyw ran o'r tir sy'n ffinio arni, sy'n cael ei diffinio fel 'cronfa ddŵr uwch mawr' dan Ddeddf Cronfeydd Dŵr 1975. Mae dau fath o gronfeydd dŵr yn cael eu cynnal o fewn y gofrestr:


- Cronfa sy'n cronni (argaeedig); neu


- Cronfa nad yw'n cronni (pwmpio/dirwystr).


Rhan o Gronfa Ddata Cronfeydd/Reservoir CNC yw’r set ddata hon. Mae'n cynnwys gwybodaeth gofrestredig am nodweddion corfforol a chyfundrefnau arolygu'r argae.


Caiff y data hwn ei gasglu fel rhan o Gofrestr Gyhoeddus Deddf Cronfeydd Dŵr.


Datganiad priodoli: Yn cynnwys gwybodaeth Cyfoeth Naturiol Cymru © Cyfoeth Naturiol Cymru a hawl cronfa ddata. Cedwir pob hawl.

Identification

Dynodydd
Identifier
NRW_DS125216
Laith Metadata
Metadata Language
English
Lineage

This data is collected as part of the Reservoirs Act Public Register
Dyddiad cyfeirnod y set ddata (Cyhoeddiad)
Dataset Reference Date (Publication)
2026-10-29

Temporal Extent

Begin date
1900-01-01
 
Categori pwnc
Topic category
  • Inland waters
    Inland waters
Perchennog
Owner
  Natural Resources Wales (NRW) -
Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales
http://naturalresources.wales/?lang=en
Cychwynnwr
Originator
  Natural Resources Wales (NRW) -
Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales
http://naturalresources.wales/?lang=en
 

Extent

Extent

Hyd
Geographic Extent
Wales (WLS)
N
W
E
S
Map representing the geographic extent of the dataset


 
 

Distribution

Dosbarthiad
Distribution

Fformat - Math a Disgrifiad
Format Type and Description
  • Geographic Information System ( )

    Specification

    ESRI Feature Class

Lleolwr Adnoddau
Resource Locator
Web Mapping Services ( OGC:WMS )
Lleolwr Adnoddau
Resource Locator
Download Data ( WWW:LINK-1.0-http--link )
 

Quality

Ansawdd Data
Data quality

Cwmpas Ansawdd
Quality Scope
Dataset
Dataset
Cydymffurfiad
Conformity
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
Explanation

This dataset has not been assessed for conformance to the referenced INSPIRE regulation.
Degree
false
Lineage

This data is collected as part of the Reservoirs Act Public Register
 

Keywords

Allweddair
Keywords

GEMET - INSPIRE themes, version 1.0
Math
Type
Theme
Theme

Dyfyniad
Citation

Dyddiad (Cyhoeddiad)
Date (Publication)
2008-06-01
Code
geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme

Allweddair
Keywords

NRW Thesaurus
  • Reservoirs Act 1975
  • flood risk management
Math
Type
Theme
Theme

Dyfyniad
Citation

Dyddiad (Cyhoeddiad)
Date (Publication)
2026-10-30
Code
geonetwork.thesaurus.local.theme.converted_nrw-keywords

Allweddair
Keywords

IPSV Subjects List
  • Reservoirs
Math
Type
Theme
Theme

Dyfyniad
Citation

Dyddiad (Cyhoeddiad)
Date (Publication)
2020-11-18
Code
geonetwork.thesaurus.external.theme.subjects

Allweddair
Keywords

NRW SMNR Keywords
  • Water Quality (SMNR)
  • Water Resources (SMNR)
  • Freshwater and Wetlands (SMNR)
  • Ecosystem (SMNR)
  • Hydrological Processes (SMNR)
  • Flooding (SMNR)
  • Natural Resources (Incl. Features and Processes) (SMNR)
  • Sustainable Management of Natural Resources (SMNR)
Math
Type
Theme
Theme

Dyfyniad
Citation

Dyddiad (Cyhoeddiad)
Date (Publication)
2024-06-26
Code
geonetwork.thesaurus.local.theme.converted_nrw-smnr-keywords
 

Spatial Reference System

Code
NONE
 

Content

Gwybodaeth Cynnwys
Content Information

Proffil CNC
NRW Profile

Elfennau CNC
Custom Elements

 

Constraints

Constraints

Limitations on Public Access and Use

Math o Gyfyngiad
Restriction type
Other restrictions
Other restrictions
 

Access Constraints Directive

Limitations
noLimitations
 

Access Constraints Text

Other constraints

There are no access restrictions on this data. NRW may release, publish or disseminate it freely
 

Use Constraints

Cyfyngiadau Defnyddio
Use constraints type
Other restrictions
Other restrictions
Other constraints

© 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.
 

Attribution Statement

Other constraints

Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved.
 

Licence

Other constraints
Open Government Licence
 
 
 

Metadata

Metadata

Dynodydd Ffeil
File Identifier
4f4c4942-4343-5764-6473-313235323136 XML
Laith Metadata
Metadata Language
English
Math o adnodd
Resource type
Dataset
Dataset
Dyddiad Metadata
Metadata Date
2026-11-02T14:31:14.919Z
Enw Safonol Metadata
Metadata Standard Name
NRW
Fersiwn Metadata
Metadata Standard Version

1.0

Pwynt Cyswllt
pointOfContact
  Natural Resources Wales (NRW) -
Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales
http://naturalresources.wales/?lang=en
 
 

Publishing Body

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