Scotland & Northern Ireland

• Scottish Executive
  
• SNIFFER
  
• Scottish Parliament – Water Environment and Water Services (Scotland) Act 2003
  
• Scottish Natural Heritage
  
• Environment and Heritage Service (Northern Ireland)
• Department of Environment (Northern Ireland)
  
• Drinking Water Quality Regulator (Scotland)
• Scottish Water
  
  
  

UK

• WFD UK Technical Advisory Group (UKTAG)
  
• Water Framework Directive Information Centre
  
  
  

England & Wales

• Department for the Environment, Food and Rural Affairs (Defra)
  
• Environment Agency
  
• English Nature (EN)
  
• Countryside Council for Wales (CCW)
  
• Joint Nature Conservation Council (JNCC)
  
  
  
  

Republic of Ireland

• Environment Protection Agency of Ireland (EPA of Ireland)
  
  
  
  

European

• European Commission – WFD
  
• European Commission – Guidance Documents on CIRCA
  
• European Centre for Ecological Water Quality and Intercalibration
  
• European Commission Joint Research Committee (JRC)
  
• EU Common Implementation Strategy (CIS)