'Water gate' in the Bible

The temple servants living in Ophel made repairs as far as the front of the Water Gate toward the east and the projecting tower.

And all the people gathered as one man at the square which was in front of the Water Gate, and they asked Ezra the scribe to bring the book of the law of Moses which the Lord had given to Israel.

He read from it before the square which was in front of the Water Gate from early morning until midday, in the presence of men and women, those who could understand; and all the people were attentive to the book of the law.

So the people went out and brought them and made booths for themselves, each on his roof, and in their courts and in the courts of the house of God, and in the square at the Water Gate and in the square at the Gate of Ephraim.

At the Fountain Gate they went directly up the steps of the city of David by the stairway of the wall above the house of David to the Water Gate on the east.