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Waters Protection Act (WPA)
SR 814.20 — Federal Act of 24 January 1991 on the Protection of Waters (Waters Protection Act, WPA).
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:NOTE [links:https://fedlex.data.admin.ch/eli/cc/1992/1860_1860_1860]
English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force.
English consolidation of 1 August 2025, which is also the date of the current binding text.

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Preamble
The Federal Assembly of the Swiss Confederation,
based on Article 76 paragraphs 2 and 3 of the Federal Constitution,and having considered a Federal Council Dispatch dated 29 April 1987,
decrees:
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:NOTE
SR 101
Amended by No II 2 of the FA of 19 March 2010, in force since 1 Aug. 2010 (AS 2010 3233; BBl 2009 5435).
BBl 1987 II 1061

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Contents
1. General Provisions — 6 articles
2. Prevention and Remediation of Detrimental Effects — 43 articles
3. Enforcement, Provision of Fundamentals, Promotional Measures and Procedures — 32 articles
4. … — 1 article
5. Criminal Provisions — 4 articles
6. Final Provisions — 13 articles
7. Final Provision of the Amendment of 20 June 1997 — 0 articles

:LINK
https://fedlex.data.admin.ch/filestore/fedlex.data.admin.ch/eli/cc/1992/1860_1860_1860/20250801/en/html/fedlex-data-admin-ch-eli-cc-1992-1860_1860_1860-20250801-en-html-4.html
Official text on Fedlex — consolidation of 1 August 2025