The declaration of the Ministerial Seminar on groundwater held at The Hague in 1991 recognised the need for further action to avoid long term deterioration of quality and quantity of freshwater resources.
Aithníodh sa dearbhú ag an Seimineár Airí ar screamhuisce a reáchtáladh sa Háig i 1991 go raibh gá le tuilleadh gnímh le meathlú fadtéarmach caighdeán agus méid acmhainní fionnuisce a sheachaint.