2 Samuel 23:16

And the three mighty men brake through the host of the Philistines, and drew water out of the well of Beth–lehem, that was by the gate, and took it, and brought it to David: nevertheless he would not drink thereof, but poured it out unto the Lord.

Cross-reference

2 Samuel 23:9 introduces Eleazar, one of the three mighty warriors who later bring water to David in verse 16.

1 Chronicles 11:17 records the same story of David's mighty men fetching water — a parallel account of the event.