{
  "url": "https://openlegislation.uk/eu-directive-1991-271/annex-I/division-D/division-4",
  "json_url": "https://openlegislation.uk/eu-directive-1991-271/annex-I/division-D/division-4.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/D/division/4",
  "kind": "division",
  "number": "4",
  "heading": null,
  "text": "The treated waste water shall be assumed to conform to the relevant parameters if, for each relevant parameter considered individually, samples of the water show that it complies with the relevant parametric value in the following way:\n(a) for the parameters specified in Table 1 and Article 2 (7), a maximum number of samples which are allowed to fail the requirements, expressed in concentrations and/or percentage reductions in Table 1 and Article 2 (7), is specified in Table 3;\n(b) for the parameters of Table 1 expressed in concentrations, the failing samples taken under normal operating conditions must not deviate from the parametric values by more than 100 %. For the parametric values in concentration relating to total suspended solids deviations of up to 150 % may be accepted;\n(c) for those parameters specified in Table 2 the annual mean of the samples for each parameter shall conform to the relevant parametric values.",
  "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/eudr/1991/271/annex/I/division/D/division/4",
    "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."
}