Exodus 40:7

7 aand place the basin between the tent of meeting and the altar, and put water in it.

Exodus 40:30-32

30 bHe set the basin between the tent of meeting and the altar, and put water in it for washing, 31with which Moses and cAaron and his sons dwashed their hands and their feet. 32When they went into the tent of meeting, and when they approached the altar, they washed, as the Lord commanded Moses.
Copyright information for ESV