With water providers around California facing a state-mandated deadline of June 30, 2017 to form local Groundwater Sustainability Agencies, the Castaic Lake Water Agency on Thursday announced a January “Stakeholder Forum” at which public input will be sought. The meeting will take place on Tuesday, Jan. 24 at 6:30 p.m. in the Sycamore Rooms A/B of The Centre, located at 20880 Centre Pointe Parkway in Santa Clarita.