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Risk of Flooding from Reservoirs

NRW is responsible for assuring the safety of the Welsh reservoirs by enforcing the Reservoirs Act 1975. Simplified inundation mapping was carried out nationally by the Environment Agency to provide a baseline assessment of all reservoirs falling within the Act. This work is now carried out by Natural Resources Wales (NRW). Reservoirs Flood Maps – Spatial Data are referred to externally as Risk of Flooding from Reservoirs.

  • Identification
  • Extent
  • Distribution
  • Quality
  • Keywords
  • Spatial Reference System
  • Content
  • Constraints
  • Maintenance
  • Metadata

Identification

Identifier
NRW_DS116257
Alternative Title
  • AfA180 Reservoir Flood Map - Spatial Data
  • Perygl o lifogydd o gronfeydd dŵr
Metadata Language
English
Lineage

The detailed outputs show the potential flood risk if reservoirs were breached. The models were created at various resolutions ranging from 10 metre cells through to 50 metre squares for locations furthest away from the breach. These files are not available as a single, discrete file since each reservoir has been modelled individually. It should be noted that these model outputs are for emergency planning purposes and are not intended to reflect the most detailed flood extents. As such these data show the absolute maximum flood where there is likely to be an impact.

Dataset Reference Date (Publication)
2017-04-01
Owner
  Natural Resources Wales (NRW)
Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales
http://naturalresources.wales/?lang=en
Originator
  Environment Agency (EA)
Millbank Tower, 25th Floor, 21//24 Millbank, London, SW1P 4XL, England
http://www.environment-agency.gov.uk/
 

Extent

Extent

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


 
 

Distribution

Format Type and Description
  • Geographic Information System ()

 

Quality

Data quality

Quality Scope
Dataset
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
Degree
false
Lineage

The detailed outputs show the potential flood risk if reservoirs were breached. The models were created at various resolutions ranging from 10 metre cells through to 50 metre squares for locations furthest away from the breach. These files are not available as a single, discrete file since each reservoir has been modelled individually. It should be noted that these model outputs are for emergency planning purposes and are not intended to reflect the most detailed flood extents. As such these data show the absolute maximum flood where there is likely to be an impact.

 

Keywords

Keywords

GEMET - INSPIRE themes, version 1.0
  • Natural risk zones
Type
Theme

Citation

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

Keywords

NRW Thesaurus
  • flood modelling
Type
Theme

Citation

Date (Publication)
2023-12-31
Code
geonetwork.thesaurus.local.theme.converted_nrw-keywords

Keywords

Integrated Public Sector Vocabulary
  • reservoirs
Type
Theme

Citation

Date (Revision)
2013-04-03
Code
geonetwork.thesaurus.external.theme.subjects

Keywords

NRW SMNR Vocabulary

  • Natural Resources (incl. Features and Processes) (SMNR)
  • Ecosystem (SMNR)
  • Sustainable Management of Natural Resources (SMNR)
  • Water Quality (SMNR)
  • Hydrological Processes (SMNR)
  • Water Resources (SMNR)
  • Management Areas (SMNR)
  • Freshwater and Wetlands (SMNR)
Type
Theme

Citation

Date (Revision)
2023-12-27
Code
geonetwork.thesaurus.local.theme.converted_nrw-smnr-keywords
 

Spatial Reference System

Code
NONE
 

Content

Content Information

NRW Profile

Custom Elements

 

Constraints

Constraints

Limitations on Public Access and Use

Restriction type
Other restrictions
 

Access Constraints Directive

Limitations
no limitations
 

Access Constraints Text

Other constraints

Access to this data may be restricted under relevant legislation. NRW may NOT publish or disseminate the data. Requests should be referred to NRW's Access to Information Officer.

 

Use Constraints

Use constraints type
Other restrictions
Other constraints

© CNC/NRW NRW does NOT grant permission to third parties to re-use or disseminate this dataset.

 

Attribution Statement

Other constraints

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

 
 
 

Metadata

Metadata

File Identifier
4f4c4942-4343-5764-6473-313136323537 XML
Metadata Language
English
Resource type
Dataset
Metadata Date
2024-05-30T15:17:15.627Z
Metadata Standard Name
NRW
Metadata Standard Version

1.0

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

Publishing Body

Access the portal
Full access to the portal and metadata.


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