NEH 3:15

15 But the Fountain Gate did Shallun ben Kol-Chozeh, ruler of Mitzpah district repair; he rebuilt it, covered it, set up the daletot thereof, the locks thereof, and the bars thereof, and the chomah of the Pool of Shelach by the Gan HaMelech, and upto the stairs that go down from the Ir Dovid.