Waters Protection Ordinance
(WPO)

English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force.

of 28 October 1998 (Status as of 1 January 2021)


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Art. 20 Inspection and obligation to report

1 Per­sons re­spons­ible for waste wa­ter treat­ment plants must en­sure that the qual­ity of sludge is in­spec­ted with­in the dead­lines im­posed by ex­perts.

2 ...15

3 ...16

15 Re­pealed by No I of the O of 18 Oct. 2006, with ef­fect from 1 Jan. 2007 (AS 2006 4291).

16 Re­pealed by No I of the O of 4 Nov. 2015, with ef­fect from 1 Jan. 2016 (AS 2015 4791).

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