A water barrier system for use in conjunction with an electrical panel to control water intrusion into and within the electrical panel is disclosed. In use, the water barrier system provides one or more barriers to prevent, or at least inhibit, water from entering the electrical panel, and/or to direct water, which has entered the electrical panel. The water barrier system may include one or more barriers extending from an interior surface of the electrical panel to block the migration of water, one or more weep holes in fluid communication with one or more channels to direct water that encounters or comes into contact with a top surface of the electrical panel, and/or one or more troughs to direct water that encounters or comes into contact with the top surface of the electrical panel.