{
  "url": "https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-2",
  "json_url": "https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-2.json",
  "legislation": "eudn/2018/229",
  "legislation_title": "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)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2018-229",
  "path": "annex/division/1/division/2",
  "kind": "division",
  "number": null,
  "heading": "Water category Rivers Geographical Intercalibration Group Central-Baltic rivers",
  "text": "Description of types that have been intercalibrated\nType\nRiver characterisation\nCatchment (km2)\nAltitude and geomorphology\nAlkalinity (meq/l)\nR-C1\nSmall lowland siliceous sand\n10 — 100\nLowland, dominated by sandy substrate (small particle size), 3 — 8 m width (bankfull size)\n> 0,4\nR-C2\nSmall lowland siliceous — rock\n10 — 100\nLowland, rock material\n3 — 8m width (bankfull size)\n< 0,4\nR-C3\nSmall mid-altitude siliceous\n10 — 100\nMid-altitude, rock (granite) — gravel substrate, 2 — 10 m width (bankfull size)\n< 0,4\nR-C4\nMedium lowland mixed\n100 — 1 000\nLowland, sandy to gravel substrate, 8 — 25 m width (bankfull size)\n> 0,4\nR-C5\nLarge lowland mixed\n1 000 — 10 000\nLowland, barbel zone, variation in velocity, max. altitude in catchment: 800 m a.s.l., > 25 m width (bankfull size)\n> 0,4\nR-C6\nSmall, lowland, calcareous\n10 — 300\nLowland, gravel substrate (limestone), width 3 — 10 m (bankfull size)\n> 2\nCountries sharing types that have been intercalibrated:\nType R-C1: Belgium (Flanders), Belgium (Wallonia), Germany, Denmark, France, Italy, Lithuania, the Netherlands, Poland, Sweden, United Kingdom\nType R-C2: Spain, France, Ireland, Sweden, United Kingdom\nType R-C3: Austria, Belgium (Wallonia), Czech Republic, Germany, Poland, Spain, Sweden, France, Luxembourg, United Kingdom\nType R-C4: Belgium (Flanders), Belgium (Wallonia), Czech Republic, Germany, Denmark, Estonia, Spain, France, Ireland, Italy, Latvia, Lithuania, Luxembourg, the Netherlands, Poland, Sweden, United Kingdom\nType R-C5: Belgium (Wallonia), Czech Republic, Estonia, France, Germany, Spain, Ireland. Italy, Latvia, Lithuania, Luxembourg, Netherlands, Poland, Sweden, United Kingdom\nType R-C6: Belgium (Wallonia), Denmark, Estonia, Spain, France, Ireland, Italy, Poland, Latvia, Lithuania, Luxembourg, Sweden, United Kingdom",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2018/229/annex/division/1/division/2",
    "retrieved_at": "2026-11-01T15:13:11.570988+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}