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EA Hydrological Boundaries
The Hydrological Areas are a polygon dataset showing 139 hydrological units across England and parts of Wales, that have been defined by the Environment Agency. The units show... -
WFD Groundwaterbodies Cycle 1
WFD Groundwater Bodies Cycle 1 is a polygon Shapefile dataset containing attributes that have been collated as defined for the implementation of the Water Framework Directive... -
Source Protection Zones [Merged]
Source Protection Zones [Merged] have been created as public facing outlines where common boundaries and overlaps (based on zone number) have been removed. Source Protection... -
Nitrate Vulnerable Zones (NVZ) 2021 Designations
This dataset identifies Nitrate Vulnerable Zones for implementation in 2021. The designations are made by the Secretary of State for the purposes of the Nitrate Pollution... -
Nitrate Vulnerable Zones (NVZ) 2017 - Combined (Pre appeals Designations)
PLEASE NOTE: This dataset has been retired, as it has been superseded by the dataset for Nitrate Vulnerable Zones (NVZ) 2021 Designations. See:... -
Nitrate Vulnerable Zones (NVZ) 2017 - Combined (Final Designations)
PLEASE NOTE: This dataset has been retired, as it has been superseded by the dataset for Nitrate Vulnerable Zones (NVZ) 2021 Designations. See:... -
Hydrometric Monitoring Points
This record is for Approval for Access product AfA216. This dataset shows the (approximate) location of all current sites used for monitoring water quantity, including... -
Groundwater Management Units
Shapefile of groundwater management units which are a break down of groundwater bodies used for local groundwater availability communication in Abstraction licensing strategies.... -
Drinking Water Safeguard Zones (Groundwater)
Drinking Water Groundwater Safeguard Zones (SgZs) are established around public water supplies where additional pollution control measures are needed. The Water Framework... -
Groundwater Dependent Terrestrial Ecosystems (England only)
Location of Groundwater Dependent Terrestrial Ecosystems (GWDTEs) in England assessed by the Environment Agency for the second River Basin cycle of the EU Water Framework...