UNITED KINGDOM · ENGLAND · LANDSCAPE · WATER
Drinking Water Safeguard Zones (Surface)
What this layer shows
Safeguard zones around surface-water drinking supplies: where a pollutant is pressuring a public water source and land users are asked to change practice before stricter measures arrive. 148 zones.
Where the data comes from
ARCGIS · environment.data.gov.uk
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Facts shown for each feature
Zone
In these presets
Contaminated land
Old landfills, regulated waste sites and the water beneath them. England only. No geology, superficial deposits or radon yet: BGS publishes its 625K geology openly and it is on the list. A ground report still has to be commissioned.
Other layers in this group
- Nitrate Vulnerable Zones 2013 (Wales)
- Internal Drainage Districts
- Nitrate Vulnerable Zones 2021
- Drinking Water Safeguard Zones (Groundwater)
- Principal Salmon Fisheries (England)
- Bathing Waters (England)
- Bathing Waters (Scotland)
- Bathing Waters (Wales)
- Bathing Waters (Northern Ireland)
- Groundwater Bodies (WFD 2025)
- River Water Body Catchments (WFD 2025)
- Statutory Main River Map