A well in which water rises because of pressure within the aquifer.
A type of hot spring in which the water is under pressure and bursts periodically into the air
The process of SUPPLYING WATER to areas of land to make them suitable for GROWING CROPS
the preservation and careful management of the environment and of natural resources
The addition of any substancethat has a negative affect on water or the living things that depend on the water.
The substance that causes water pollution.
A specific source of pollution that can be identified, such as a pipe.
A widely spread source of pollution that is difficult to link to a specific point of origin.
a measurement of the substances in water besides water molecules
The amount of one material in a certain volume of another material
a measure of how acidic or basic a solution is on a scale of 0-14
the level of the minerals calcium and magnesium in water
bacteria found in human and animal waste
the process whereby fluids pass through a filter or a filtering medium
The process by which particles in a liquid clump together; a step in the water treatment process.