Usually a river.
A river that empties into a lake is most often known as the headwaters-if it is the primary water source for body of water= or = tributary
Rainwater is an example of a primary source of water. Water from a pumping station is a secondary source of water.
Lake Lanier is the primary source of water for both atlanta and georgia.
their main source of water is rain fall.
lake
River water is the most impure water source among river water, sea water, and Lake water.
The source of the Mississippi River is Lake Itasca in Clearwater County, Minnesota. The delta of the river is at the Gulf of Mexico in Louisiana. The primary source of the Mississippi River is Lake Itasca.
The primary outflow is the White Nile
rainfall
From Rivers Lakes Groundwater And Under ground caves
An untapped water source refers to a source, such as a lake or spring, of water, often suitable for drinking, that has not yet been exploited to get water from it.
the source that makes water evaporate is evaporation from the sun