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

¹The fed­er­al and can­ton­al au­thor­it­ies may carry out sur­veys on private and pub­lic bod­ies of wa­ter. They may set up the equip­ment ne­ces­sary for this pur­pose, and they may in­spect in­stall­a­tions. Own­ers of land and per­sons re­spons­ible for in­stall­a­tions shall en­sure that per­sons en­trus­ted with such du­ties are al­lowed ac­cess, and they shall provide them with all the in­form­a­tion that they may re­quire.

²Per­sons en­trus­ted with en­for­cing this Act, as well as ex­perts and mem­bers of com­mis­sions and spe­cial­ised bod­ies, shall be sub­ject to the rules of pro­fes­sion­al secrecy.

³ …⁴⁵