Joshua 4:18

18 And it came to pass when the priests who bore the ark of the covenant of the Lord were gone up out of Jordan, and set their feet upon the land, the water of Jordan returned impetuously to its place, and went as before over all its banks.

Joshua 4:18 Meaning and Commentary

Joshua 4:18

And it came to pass, when the priests that bare the ark of
the covenant of the Lord were come up out of the midst of Jordan
According to the command of Joshua in the name of the Lord:

[and] the soles of the priests' feet were lift up upon the dry land;
and set upon it, on the bank of Jordan, and shores of the land of Canaan:

that the waters of Jordan returned unto their place;
those that came from above, and had stood on an heap, gradually came down into the channel, and those below that were cut off returned:

and flowed over all his banks, as [they did] before;
and usually did at this time of the year, see ( Joshua 3:15 ) ; so that there was no decrease or loss of the waters by their failing, and being cut off.

Joshua 4:18 In-Context

16 Charge the priests that bear the ark of the covenant of the testimony of the Lord, to go up out of Jordan.
17 And Joshua charged the priests, saying, Go up out of Jordan.
18 And it came to pass when the priests who bore the ark of the covenant of the Lord were gone up out of Jordan, and set their feet upon the land, the water of Jordan returned impetuously to its place, and went as before over all its banks.
19 And the people went up out of Jordan on the tenth day of the first month; and the children of Israel encamped in Galgala in the region eastward from Jericho.
20 And Joshua set these twelve stones which he took out of Jordan, in Galgala,

The Brenton translation of the Septuagint is in the public domain.