The Ministerial Seminar on Groundwater in The Hague on 26 and 27 November 1991 called for an action programme to avoid the long-term deterioration of groundwater quantity and quality across the European Union.
D’éiligh an Seimineár Airí ar Screamhuisce sa Háig an 26 agus 27 Samhain 1991 clár gnímh chun meath fadtéarmach ar chainníocht agus ar cháilíocht screamhuisce ar fud an Aontais Eorpaigh a sheachaint.