Bible Verses About Wells: Were often stopped up by enemies

Now all the wells which his father’s servants had digged in the days of Abraham his father, the Philistines had stopped, and filled with earth.

And Isaac digged again the wells of water, which they had digged in the days of Abraham his father; for the Philistines had stopped them after the death of Abraham: and he called their names after the names by which his father had called them.

And ye shall smite every fortified city, and every choice city, and shall fell every good tree, and stop all fountains of water, and mar every good piece of land with stones.

And they beat down the cities; and on every good piece of land they cast every man his stone, and filled it; and they stopped all the fountains of water, and felled all the good trees, until in Kir-hareseth only they left the stones thereof; howbeit the slingers went about it, and smote it.