The river is the only water source for the area.

They were once the only source of water to the city.

The most likely source of water was on the higher ground to the south.

This name come from the water sources in the area.

Ask questions on any issue that may impact your water source.

Plus they needed to be near a water source for themselves.

The British were cut off from the river, their only source of water.

There is another: I was the source of food and water.

New sources of fresh water will also have to be found.

This is a region with very few water sources to be found.