{
  "url": "https://openlegislation.uk/eu-directive-1991-271/annex-I/division-A",
  "json_url": "https://openlegislation.uk/eu-directive-1991-271/annex-I/division-A.json",
  "legislation": "eudr/1991/271",
  "legislation_title": "Council Directive of 21 May 1991 concerning urban waste water treatment (91/271/EEC)",
  "legislation_url": "https://openlegislation.uk/eu-directive-1991-271",
  "path": "annex/I/division/A",
  "kind": "division",
  "number": "A",
  "heading": "Collecting systems",
  "text": "Collecting systems shall take into account waste water treatment requirements.\nThe design, construction and maintenance of collecting systems shall be undertaken in accordance with the best technical knowledge not entailing excessive costs, notably regarding:\nvolume and characteristics of urban waste water,\nprevention of leaks,\nlimitation of pollution of receiving waters due to storm water overflows.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "Given that it is not possible in practice to construct collecting systems and treatment plants in a way such that all waste water can be treated during situations such as unusually heavy rainfall, Member States shall decide on measures to limit pollution from storm water overflows. Such measures could be based on dilution rates or capacity in relation to dry weather flow, or could specify a certain acceptable number of overflows per year."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudr/1991/271/annex/I/division/A",
    "retrieved_at": "2026-11-01T15:23:25.830639+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."
}