Federal Act
on the Protection of Waters
(Waters Protection Act, WPA)

¹The can­tons shall es­tab­lish an in­vent­ory of ex­ist­ing wa­ter with­draw­als ac­cord­ing to Art­icle 29, which shall con­tain in­form­a­tion on:

a.

the amount of wa­ter with­drawn;

b.

the re­sid­ual flow;

c.

the re­quired wa­ter en­dow­ment;

d.

the leg­al situ­ation.

²They shall eval­u­ate the wa­ter with­draw­als lis­ted in the in­vent­ory and ad­ju­dic­ate wheth­er and to what ex­tent re­medi­ation is ne­ces­sary. Their find­ings shall take the form of a re­port. As far as pos­sible this shall in­clude the time-spans over which re­medi­ation must be com­pleted.

³They shall present their in­vent­or­ies to the fed­er­al au­thor­ity with­in two years and their re­port with­in five years after this Act comes in­to force.