# 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 Eastern Continental rivers

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

Description of types that have been intercalibrated
Type
River characterisation
Ecoregion
Catchment (km2)
Altitude (m a.s.l.)
Geology
Substrate
R-E1a
Carpathians: small to medium, mid-altitude
10
10 — 1 000
500 — 800
Mixed
R-E1b
Carpathians: small to medium, mid-altitude
10
10 — 1 000
200 — 500
Mixed
R-E2
Plains: medium-sized, lowland
11 and 12
100 — 1 000
< 200
Mixed
Sand and silt
R-E3
Plains: large, lowland
11 and 12
> 1 000
< 200
Mixed
Sand, silt and gravel
R-E4
Plains: medium-sized, mid-altitude
11 and 12
100 — 1 000
200 — 500
Mixed
Sand and gravel
R-EX4
Large, mid-altitude
10, 11 and 12
> 1 000
200 — 500
Mixed
Gravel and boulder
R-EX5
Plains: small lowland
11 and 12
10 — 100
< 200
Mixed
Sand and silt
R-EX6
Plains: small, mid-altitude
11 and 12
10 — 100
200 — 500
Mixed
Gravel
R-EX7
Balkan: small, calcareous, mid-altitude
5
10 — 100
200 — 500
Calcareous
Gravel
R-EX8
Balkan: small to medium-sized, calcareous karst spring
5
10 — 1 000
Calcareous
Gravel, sand and silt
Countries sharing types that have been intercalibrated:
R-E1a: Bulgaria, Czech Republic, Romania, Slovakia
R-E1b: Bulgaria, Czech Republic, Hungary, Romania, Slovakia
R-E2: Bulgaria, Czech Republic, Hungary, Romania, Slovakia, Slovenia
R-E3: Bulgaria, Czech Republic, Hungary, Romania, Slovakia, Slovenia
R-E4: Austria, Czech Republic, Bulgaria, Hungary, Romania, Slovakia, Slovenia
R-EX4: Czech Republic, Romania, Slovakia
R-EX5: Hungary, Romania, Slovenia, Slovakia
R-EX6: Hungary, Romania, Slovenia
R-EX7: Slovenia
R-EX8: Slovenia

---
Source: https://www.legislation.gov.uk/eudn/2018/229/annex/division/1/division/3 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.

