Water Scarcity

What is critical thinking?

mode of thinging about any subject, content, or problem in which the thinker improves the quality of his or her thinking by skillfully taking charge of the structures inherent in thinking an imposing intellectual standards upon them.

How many years are estimated of water to remain?

13 years

Guilt is a ____ motivator.

poor

What are the 3 aspects of water?

describes the chemical, physical, and biological characteristics of water

What percent of domestic water is public supply?

85%

what percent of domestic water is self-regulated?

15%

what water is considered domestic?

cleaning, bathing, washing clothes, flushing toilets, washing clothes, cooking and drinking

What is water is considered commerical?

anything involving institutions and facilities

What percentage of the world uses water for irrigation?

70%

What is a watershed?

land area that drains water to particular stream, river, or lake

True or False: multiple watersheds can be contained in one?

True

What is a drainage basin?

Another term for watershed

What is a public water supply?

water withdrawn by public government agencies that private companies deliver to users

What defines need for public supply?

The systems have 15 service connections or regularly serve 25 individuals daily for 60 days out of the year.

What unit is water measured in?

CFS - subic feet per second

What is conveyance loss?

water lost in transit from pipe, canal or ditch by leakage or evaporation

How do you limit consumptive use?

taxing

What is drawdown?

a lowering of the groundwater surface caused by pumping

What is artifical recharge?

process where water is put back into groundwater storage from surface water supplies

What is injection well?

a specialized constructed injecting treated wastewater directly into the ground

What is effluent?

water that flows from a sewage treatment plant after it was treated

What is an estuary?

place where fresh and saltwater mix from a river before entering ocean, filters surface water.

What is turbidity?

amount of solid particles suspened in water and cause light ray shin through water to scatter. measured in NTU inits

What is a flood plain?

a strip of relatively flat and normally drive lad alongside a stream, river, or lake that is covered by water during a flood

What is a flood stage?

elevation at which overflow of natural banks of a stream or body of water begins in the reach or area is which elevation is measured.

What are sicknesses that can be caused by poor water treatment?

giardiasis and cryptosporidium

What is confined groundwater?

groundwater under pressure greater than atomosphericm making it imperable layer