Research and analysis

Groundwater source protection zones (SPZs)

Find out about the national data set of groundwater source protection zone (SPZ) maps.

Documents

Groundwater SPZs (leaflet)

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Groundwater SPZs: review of methods (science report)

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Details

Access the Environment Agency’s groundwater SPZs on MagicMap.

To find the SPZs, from the table of contents on the left hand side, select in this order:

  • designations
  • land-based designations
  • non-statutory
  • source protection zones merged (England) – tick the box

Enter your post code and size the map. You can use the transparency slider bar under the ‘designations’ sub-heading to adjust visibility of place names within the zones.

The leaflet explains the Environment Agency’s national dataset of groundwater SPZ maps. We use them when we respond to development enquiries.

The science report sets out our methods for defining groundwater SPZs.

Published 29 June 2005
Last updated 2 July 2018 + show all updates
  1. We have changed the link to groundwater source protection zones (SPZs). You now access the Environment Agency's SPZs on MagicMap.
  2. First published.