Water Resources

Aquifer

confined

unconfined

Springs

Percolates up

River source

Artesian well

cone of depression

salt intrusion

Levee

Dike

Dam

Hydroelectric power

Flood control

Disrupt fish migration

Aqueduct

water ownership issues

Conservation

Water-saving tech

Desalinization

Recycled waste water

Streams

Rivers

Ponds

Lake

Eutrophic

Mesotrophic

Oligotrophic

Household needs

Bathing 56%

Laundry 35%

Cooking and
drinking 8%

Toilet Flushing 1%

Industry

Generating electricity

Cooling Machinery

Refining metals& paper

Agriculture

Livestock

Hydroponics

Irrigation

Furrow 65% eff.

Flood 70-80% eff.

Spray 75-95% eff.

Drip 95% eff.