Abstract: A collection and drainage system for a building to redirect fluid away from the building includes a fluid directing assembly and a wash assembly. The fluid directing assembly includes a gutter having a distal edge and a proximal edge that define an opening for receiving the fluid. A cover extends over the opening and includes a support leg extending downwardly toward the opening. A retainer has an arm for mounting to the building and a catch extending from the arm downwardly toward the opening. The catch receives the support leg for removably mounting the cover to the retainer about the opening of the gutter. Should debris enter into the gutter, the collection and drainage system further includes a wash assembly for providing the gutter with water to push the debris toward a drain.