# Council Directive of 21 May 1991 concerning urban waste water treatment (91/271/EEC), Division 1

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

Waste water treatment plants shall be designed or modified so that representative samples of the incoming waste water and of treated effluent can be obtained before discharge to receiving waters.

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Source: https://www.legislation.gov.uk/eudr/1991/271/annex/I/division/B/division/1 (the official version)
Page: https://openlegislation.uk/eu-directive-1991-271/annex-I/division-B/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.