It covers 11,000 square kilometres and straddles the German-Dutch border, with 65% in the Netherlands and 35% in Germany.
[3] Under the directive, member states are instructed to determine individual river basins, along with their aquifers, transitional waters, and coastal waters, and assign them to one or more river basin districts.
[4] The Rhine basin is one of the later; in order to properly manage its 185,000 square kilometres covering ten countries,[5] it has been split into nine river basin districts, of which the Deltarhine is the furthest downstream.
[2] While the regime has only formally existed since 2000, cooperation started decades prior, in the 1960's, primarily at a regional level.
[7] This cooperation has seen minimal results; a 2014 study found that almost all respondents agreed that the effect of the regime, in terms of water management practice and domestic policies, was marginal, although there were benefits in terms of communication and knowledge transfer.