1. Residential Water Use • 14% of water use • The average American uses 140-170 gallons of water per day.
Questions • Which takes up more water: shower or bath? • Is it ok to just wash a few things in the washer? • What does your dishwasher use to clean dishes besides soap and water?
Hard water • Contains nutrients which taste good • Leaves stains on surfaces and clothing
Soft Water • Soapy feeling • Leaves no residue • Made through a water softener
2. Agricultural Water Use • 67 % of fresh water use in the world Ways to conserve: • Drip irrigation • Irrigation ditches • Water in the evening
Fact of the Day • Eat less meat. According to the U.S. Geological survey, it takes 2,607 gallons of water to produce a single serving of steak and 408 gallons for a serving of chicken. A handful of almonds requires only 12 gallons to grow, rice needs 36 gallons, and lettuce and potatoes need only 6 gallons each.
3. Industrial Water Use 19% of water used in the world. Water is used to manufacture goods, to dispose of waste, and to generate power. • 500,000 L required to make a car • Most is used to cool power plants
Water management projects • Dams • Water canals • Reservoirs • Pipelines
Desalination • Removing salt from water • Done using reverse Osmosis
Pros • Fresh Water! • GE commercial
Cons • Water Quality • Energy Use • Concentrate Disposal • Overall Cost
Facts • Abu Dhabi has the highest consumption of water in the world at 550 liters per capita, compared with 85 liters in Jordan, and is facing a water crisis of such magnitude that it will not be able to sustain current levels of use for more than 50 years.
Xeriscape • ‘Dry landscaping’ using little or no water in landscaping • One way is to plant things that are natively found in Utah
Native plants to Utah • Gamble Oak Utah Juniper • Sage Brush Prickly Pear • Quaking Aspen Pinion Pine • Cottonwood Heartleaf Arnica • Aster
Genetic Engineering? • Tomatoes in salty irrigation
Desert Wars • Las Vegas vs. Farmers • Both need water, who needs it the most?
Point source pollution • Pollution discharged from a single source
Nonpoint source pollution • Pollution that comes from many different sources. • Chemicals added to roads, water runoff, pesticides, fertilizers, feces from livestock, acid rain, soil runoff, and oil and gasoline
Wastewater • Wastewater is used water. • Human waste • Food scraps • Oils • Soaps • Chemicals • In homes, this includes: water from sinks, showers, bathtubs, toilets, washing machines and dishwashers.
Artificial Eutrophication • Humans causing a buildup of nutrients (nitrogen) in a body of water that produces harm. (algae growth)
1. Thermal Pollution • Pollution caused by the changing of temperature of a body of water affecting the organisms that live there
2. Groundwater Pollution • Pesticides, herbicides, and chemical fertilizers
3. Garbage pollution • Oil spills • Cruise ship garbage
Bikini Atoll • 1954 – atomic bomb
Biomagnification • The accumulation of pollutants increases with more consumers
Acid Rain Moisture in the air with high amounts acids that cause damage.
Water Pollution Diseases • Cholera, Typhoid, Schistosomiasis, Dysentery
Oil Spills • 1989 Exxon Valdez and 2010 BP Gulf • 10.9 million gallons 205 million barrels
HELP • Ways we are trying to help!