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Water Conservation

Across
the discharge of heated liquid or air into lakes, rivers, etc., as by an industry or nuclear power plant, causing such a rise in the water temperature as to affect the life cycles within the water and disrupt the ecological balance.
An area of land that feeds all the water running under it and draining off of it into a body of water.
A structure that is built across a river to control a rivers flow.
Pollution that comes from a specific site.
The ability of a rock or sediment to let fluids pass through it's open spaces or pores.
A process of removing salt from ocean water.
Contamination of water by waste matter or other materials that us harmful to organisms that are exposed to the water.
Water held underground in the soil or in pores and crevices in rock.
Down
The acceleration of inorganic plant nutrients, such as phosphorus ad nitrogen, entering the water from sewage and fertilizer and runoff.
Water that contains waste from homes or industry.
A flowing network of rivers and streams draining a river basin.
The accumulation of pollutants at successive levels of the food chain.
A microorganism, another organism, a virus, or a protein that causes disease; an infectious agent.
The are in which water enters an aquifer. precipitation percolates through porous soil, such as sand or moraine deposits.
An artificial body of water that usually forms behind a dam.
All the bodies of fresh water found above the ground.
A body of saturated rock through which water can easily move.
The ability of soil, or any material, to allow liquids to pass through.
Suitable for drinking.