Waters Protection Ordinance
(WPO)

¹ Com­pens­at­ory pay­ments for as­cer­tain­ing the causes of in­ad­equate wa­ter qual­ity in an im­port­ant body of wa­ter with a view to car­ry­ing out re­medi­ation meas­ures (Art. 64 para. 1 WPA) will be paid on a case-by-case basis in­so­far as the pro­jects con­cern the state of the body of wa­ter and its trib­u­tar­ies.

² The com­pens­at­ory pay­ments for the pro­vi­sion of fun­da­ment­als amount to 30 per cent of the at­trib­ut­able costs and those for the in­vent­or­ies on wa­ter sup­ply in­stall­a­tions and ground­wa­ter re­sources (Art. 64 para. 3 WPA) 40 per cent of the at­trib­ut­able costs.