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- Published by:
- Ordnance Survey
- Last updated:
- 10 January 2025
In the OS NGD Boundaries Collection, the mean high water (springs) mark is shown to the normal tidal limit (NTL). Areas of salt marsh, mudflats and so on often have extremely complicated tide...
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
Bathing water zones of influence (ZOI) are defined as an area where if heavy rainfall occurs may lead to surface water runoff causing a reduction in water quality at a designated bathing water....
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
WFD (Water Framework Directive) Artifcial Water Operational Catchments (Cycle 2) show how WFD work is grouped geographically for practical management purposes. The Artifical Water Operational...
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
WFD Artificial Water Bodies –Surface Water Transfers Cycle 1 is a polyline Shapefile dataset containing Water Framework Directive (WFD) attributes that have been collated as defined for the...
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
Management Catchments are the geographical units for which action plans are drafted in implementing the Water framework Directive (WFD). The Artificial Water Management catchments are the groupings...
- Published by:
- Environment Agency
- Last updated:
- 09 January 2026
Drinking Water Protected Areas (Surface Water) are defined by the Water Environment (Water Framework Directive) (England & Wales) Regulations 2017 (or WFD Regulations) as locations where raw...
- Published by:
- Environment Agency
- Last updated:
- 09 January 2026
Drinking Water Safeguard Zones (Surface Water) are catchment areas that influence the water quality for their respective Drinking Water Protected Area (Surface Water). They are identified where the...
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
This dataset contains the Water Environment (Water Framework Directive) (England and Wales) Regulations 2017 shellfish water protected area designations in England. These are waters designated by...
- Published by:
- OpenDataNI
- Last updated:
- 02 August 2023
NI Water Annual Information Return 2020 2021 Table 8 Non Financial Measures Water Metering
- Published by:
- OpenDataNI
- Last updated:
- 02 August 2023
NI Water Annual Information Return 2020 2021 Table 10 Non Financial Measures Water Delivered
- Published by:
- OpenDataNI
- Last updated:
- 02 August 2023
NI Water Annual Information Return 2020 2021 Table 9 Non Financial Measures Water Quality
- Published by:
- Environment Agency
- Last updated:
- 12 September 2025
This is a national picture of Surface water resource availability mapped to Integrated Water bodies for the purposes of Water Resource Charging only. Water Resource charges will depend on the water...
- Published by:
- Ordnance Survey
- Last updated:
- 10 January 2025
The location where a connected area of permanent water ends, where an area of permanent water is connected to two or more other areas of permanent water, or where a recorded attribute changes for...
- Published by:
- OpenDataNI
- Last updated:
- 11 December 2021
EU Shellfish Waters Directive (2006) was repealed in 2013 and all responsibility for legislative protection of shellfish waters was subsumed into the Water Framework Directive. All legislative...
- Published by:
- OpenDataNI
- Last updated:
- 20 December 2021
EU Shellfish Waters Directive (2006) was repealed in 2013 and all responsibility for legislative protection of shellfish waters was subsumed into the Water Framework Directive. All legislative...
- Published by:
- OpenDataNI
- Last updated:
- 15 August 2022
EU Shellfish Waters Directive (2006) was repealed in 2013 and all responsibility for legislative protection of shellfish waters was subsumed into the Water Framework Directive. All legislative...
- Published by:
- OpenDataNI
- Last updated:
- 21 March 2022
EU Shellfish Waters Directive (2006) was repealed in 2013 and all responsibility for legislative protection of shellfish waters was subsumed into the Water Framework Directive. All legislative...
- Published by:
- OpenDataNI
- Last updated:
- 01 May 2021
EU Shellfish Waters Directive (2006) was repealed in 2013 and all responsibility for legislative protection of shellfish waters was subsumed into the Water Framework Directive. All legislative...
- Published by:
- OpenDataNI
- Last updated:
- 07 August 2021
EU Shellfish Waters Directive (2006) was repealed in 2013 and all responsibility for legislative protection of shellfish waters was subsumed into the Water Framework Directive. All legislative...
- Published by:
- OpenDataNI
- Last updated:
- 04 December 2021
EU Shellfish Waters Directive (2006) was repealed in 2013 and all responsibility for legislative protection of shellfish waters was subsumed into the Water Framework Directive. All legislative...