Division -- PART 1 --
United Kingdom
- Water category Rivers Geographical Intercalibration Group Alpine rivers
- Water category Rivers Geographical Intercalibration Group Central-Baltic rivers
- Water category Rivers Geographical Intercalibration Group Eastern Continental rivers
- Water category Rivers Geographical Intercalibration Group Mediterranean rivers
- Water category Rivers Geographical Intercalibration Group Northern rivers
- Water category Rivers Geographical Intercalibration Groups All Biological Quality Element Fish fauna
- Water Category Rivers Geographical Intercalibration Groups All — Very Large Rivers
- Water category Lakes Geographical Intercalibration Group Alpine lakes
- Water category Lakes Geographical Intercalibration Group Central/Baltic lakes
- Water category Lakes Geographical Intercalibration Group Eastern Continental lakes
- Water category Lakes Geographical Intercalibration Group Mediterranean lakes
- Water category Lakes Geographical Intercalibration Group Northern lakes
- Water category Lakes Geographical Intercalibration Group Cross-GIG Phytobenthos
- Water category Coastal waters Geographical Intercalibration Group Baltic Sea
- Water category Coastal waters Geographical Intercalibration Group North East Atlantic
- Water category Coastal waters Geographical Intercalibration Group Mediterranean Sea
- Water category Coastal waters Geographical Intercalibration Group Black Sea
- Water category Transitional waters Geographical Intercalibration Group Baltic Sea GIG
- Water category Transitional waters Geographical Intercalibration Group North East Atlantic
- Water category Transitional waters Geographical Intercalibration Group Mediterranean Sea