# Commission Decision (EU) 2018/229 of 12 February 2018 establishing, pursuant to Directive 2000/60/EC of the European Parliament and of the Council, the values of the Member State monitoring system classifications as a result of the intercalibration exercise and repealing Commission Decision 2013/480/EU (notified under document C(2018) 696) (Text with EEA relevance), Division: Water category Rivers Geographical Intercalibration Group Central-Baltic rivers

Extent: E+W+S+N.I.

Description of types that have been intercalibrated
Type
River characterisation
Catchment (km2)
Altitude and geomorphology
Alkalinity (meq/l)
R-C1
Small lowland siliceous sand
10 — 100
Lowland, dominated by sandy substrate (small particle size), 3 — 8 m width (bankfull size)
> 0,4
R-C2
Small lowland siliceous — rock
10 — 100
Lowland, rock material
3 — 8m width (bankfull size)
< 0,4
R-C3
Small mid-altitude siliceous
10 — 100
Mid-altitude, rock (granite) — gravel substrate, 2 — 10 m width (bankfull size)
< 0,4
R-C4
Medium lowland mixed
100 — 1 000
Lowland, sandy to gravel substrate, 8 — 25 m width (bankfull size)
> 0,4
R-C5
Large lowland mixed
1 000 — 10 000
Lowland, barbel zone, variation in velocity, max. altitude in catchment: 800 m a.s.l., > 25 m width (bankfull size)
> 0,4
R-C6
Small, lowland, calcareous
10 — 300
Lowland, gravel substrate (limestone), width 3 — 10 m (bankfull size)
> 2
Countries sharing types that have been intercalibrated:
Type R-C1: Belgium (Flanders), Belgium (Wallonia), Germany, Denmark, France, Italy, Lithuania, the Netherlands, Poland, Sweden, United Kingdom
Type R-C2: Spain, France, Ireland, Sweden, United Kingdom
Type R-C3: Austria, Belgium (Wallonia), Czech Republic, Germany, Poland, Spain, Sweden, France, Luxembourg, United Kingdom
Type R-C4: Belgium (Flanders), Belgium (Wallonia), Czech Republic, Germany, Denmark, Estonia, Spain, France, Ireland, Italy, Latvia, Lithuania, Luxembourg, the Netherlands, Poland, Sweden, United Kingdom
Type R-C5: Belgium (Wallonia), Czech Republic, Estonia, France, Germany, Spain, Ireland. Italy, Latvia, Lithuania, Luxembourg, Netherlands, Poland, Sweden, United Kingdom
Type R-C6: Belgium (Wallonia), Denmark, Estonia, Spain, France, Ireland, Italy, Poland, Latvia, Lithuania, Luxembourg, Sweden, United Kingdom

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Source: https://www.legislation.gov.uk/eudn/2018/229/annex/division/1/division/2 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.