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• Drinking Water Protected Areas (Surface Water)

  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 water...

  • Published by: Environment Agency
  • Updated: 23 November 2022

• Drinking Water Safeguard Zones (Surface Water)

  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
  • Updated: 23 November 2022

• 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 Directive requires that...

  • Published by: Environment Agency
  • Updated: 9 July 2025