It complements the Water Framework Directive by clearly establishing environmental objectives for groundwater chemical status and ensures continuity with the original 1980 Groundwater Directive on the protection of groundwater against pollution caused by dangerous substances until it is repealed under the WFD by the end of 2013.
Déanann sé an Chreat-treoir Uisce a chomhlánú trí cuspóirí comhshaoil do stádas ceimiceach agus cainníochtúil screamhuisce a shocrú go soiléir agus cinntíonn sé leanúnachas leis an mBun-Treoir i leith Screamhuisce ó 1980 ar screamhuisce a chosaint ar thruailliú ag substaintí contúirteacha go ndéanfar é a aisghairm faoin WFD faoi dheireadh 2013.