Member States should determine the way they collect data, but in order to be able to combine data on a regional level in a meaningful way, minimum requirements for data quality, coverage and compatibility should be agreed by Member States at regional level, taking into account the fact that in some regions basins are managed jointly with third countries.
Ba cheart do na Ballstáit an chaoi a mbaileoidh siad sonraí a chinneadh, ach chun a bheith in ann sonraí ar leibhéal réigiúnach a chur le chéile ar bhealach ciallmhar, ba cheart do na Ballstáit íoscheanglais maidir le cáilíocht, cumhdach agus comhoiriúnacht sonraí a chomhaontú ar an leibhéal réigiúnach, á chur san áireamh dóibh go mbainistítear imchuacha go comhpháirteach le tríú tíortha i roinnt réigiún.