Water Quantity and Quality. Of all the substances that are on necessary to life as we know it on Earth, water is by far the most important, the most familiar,

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Presentation transcript:

Water Quantity and Quality

Of all the substances that are on necessary to life as we know it on Earth, water is by far the most important, the most familiar, and the most wonderful; yet people know very little about it. -Thomson King

Goal To understand the importance of adequate quantities of quality water to meet the needs of modern societies.

Importance of Water All life processes demand it Ancient civilizations fought over it and collapsed without it. Too much brings floods. Too little brings drought and famine. Carrier of other substances. Never used only cycled.

Where is Water Found? Oceans Surface of Land (Lakes, Rivers, Swamps) Ground Water Glaciers/Icebergs Air (Clouds/Humidity)

Water is always changing

How do you use water? To Drink/Food Wash Hands Take a Shower Wash Clothes Flush the Toilet Take a Bath Dishwasher Leaking Water

On average, how much water does a person use each day?

Do I really use that much?... Toilets – 3.5 to 7 gallons per flush (Leaks? 200g/d) Faucet – 2 gallons per minute Washing Machine – Up to 50 gallons per load Dishwasher – 20 gallons per cycle Shower – 4 gallons per minute

Want to check your numbers? Go to:

Where does all that water come from? Family of 4 on average could use 400 gallons each day... and this is indoor water use only, but where does it come from? Some houses are on well water, but most water now comes from the city.

Water Treatment Video

Water Management Dams and Reservoirs Water Diversion Ground Water Desalination Icebergs Cloud Seeding

Dams and Reservoirs J. Strom Thurmond Dam The Dam has prevented over $185,000 in estimated flood damage annually and also provides recreation, water quality, water supply, along with fish and wildlife management

Water Diversion Lake Lanier – GA, AL, and FL

Ground Water

Desalination

Icebergs

Cloud Seeding Silver Iodide and Bulgaria Cloud Seeding Rockets

Water Conservation High Efficiency Appliances Low-Flow Fixtures Capturing Excess Water

High Efficient Appliances Samsung HE Washer – 4.8 GallonsKenmore – 2.5 Gallons

New Water Smart New ModelsOld Models Shower Heads1.54 Sinks12 Toilets13.5

Capturing Excess Water

To be continued… Tomorrow: Vocab Quiz you need to Bring in Water & 2-Liter Bottle