Announcement From The Water Commissioner Of The Cantabrian Hydrographic Confederation, O.A. Of Concession Granted For The Use Of Maximum Instantaneous Flows Of 0.656 L/S Of Water From The El Cangilón Spring And 0.102 L/S Of Water From The Ribalta Spring In The El Ahorcado Neighborhood And 0.645 L/S Of Water From The Los Pontones Ravine In The La Concha Neighborhood, T.M. From San Roque De Riomiera (Cantabria), Destined For Supply. File: A/39/16622.