WHAT DO I NEED TO

KNOW???

NON POINT SOURCES OF POLLUTION

• CROP LAND• FEED LOTS• LOGGED FORESTS• GOLF COURSES • STREETS• PARKING LOTS

SEDIMENTATION

• #1 SOURCE OF AGRICULTURAL ACTIVITIES THAT LEAD TO WATER POLLUTION

8

• ONE OUT OF EVERY _____ PEOPLE DO NOT HAVE ACCESS TO CLEAN DRINKING WATER

MAJOR WATER POLLUTANTS

• PLANT NUTRIENTS• OXYGEN-DEMANDING WASTES• INFECTIOUS AGENTS (PATHOGENS)• SEDIMENTS• HEAVY METALS

70

•What percent of our planet is water?

3%

• What percent of the Earth’s water is fresh water?

SEWAGE, ANIMAL WASTES, INORGANIC FERTILIZERS

• SOURCES OF NITRATES AND PHOSPHATES

PLANT NUTRIENTS

• THIS POLLUTANT CAUSES EXCESSIVE GROWTH OF ALGAE

1.5 million

•How many children die of diarrhea every

year?

To determine the health of a stream

• Why do scientists study macroinvertebrates in water?

DISEASES CAUSED BY BACTERIA• TYPHOID FEVER• CHOLERA• LEGIONNAIRE’S • E. COLI

Escherichia coli

• THIS BACTERIA LIVES IN THE COLONS AND INTESTINES OF HUMANS AND OTHER ANIMALS AND THUS ARE PRESENT IN THEIR FECAL WASTES. They aid in digestion and are common in feces.

UNSAFE WATER

• WORLD’S SINGLE LARGEST CAUSE OF ILLNESS

150

•How many gallons of water does the

average American use every day?

MISSISSIPPI

•What is the largest watershed in the US?

IRRIGATION (AGRICULTURE)

•Name the #1 use of water in the world

RESERVOIR

What is an artificial lake created by a dam?

EUTROPHICATION

Process by which nutrients increase in a

lake, while oxygen levels decrease.

AQUIFER

An underground rock formation that holds

water

LEAKING PIPES

• THE MAIN CAUSE OF WATER WASTE

BIOMAGNIFICATION

Process by which increasing amounts of toxins are stored in the bodies of organisms as toxins move up a food

chain

FERTILIZER RUNOFF FROM AGRICULTURE

• The main cause of the Dead Zone in the Gulf of Mexico

WATERSHED

• An area of land that is drained by a river.

GARBAGE PATCH (GYRE)

• A HUGE AREA OF PLASTICS AND GARBAGE THAT CIRCULATE IN THE OCEANS

Name 3 elements/compounds that biomagnify

• Mercury• Lead• DDT• PCB

LAND SINKS (SUBSIDES), WATER TABLE FALLS

• What happens when too much water is removed from an aquifer?

HEAT POLLUTION

•What type of water pollution is caused when the water is too warm for

fish to tolerate and oxygen levels decrease

How many different types of water pollution can you name?

• Phosphates• Nitrates• Heavy metals like mercury, lead, cadmium and • Litter• Pathogens• Organic matter like plants, animals and feces• Sedimentation• Pesticides• Thermal pollution• pH from mines or acid rain (alkaline or acidic water)• Habitat modification

GIVE 3 ADVANTAGES OF A DAM

• hydroelectric power- clean energy• Recreation areas• Jobs• Flood prevention• Irrigation water for farmers• Drinking water

• Name 3 DISADVANTAGES OF DAMS

• Loss of jobs • Fish species can die out because the water flow

is altered• People may lose their homes and land• Siltation• Destruction of cultural sites• Loss of water due to evaporation

Choose the correct test for each statement

• Measures the cloudiness of water• TURBIDITY• Affected by speed and temperature of

water• DO• Trout requires ____ levels of DO• High 9-12• Affected by silt, clay, organic matter and

plankton/microscopic organisms• TURBIDITY

• Blue baby syndrome• NITROGEN• Drinking water cannot contain any levels• FECAL COLIFORM• Found in fertilizers, body waste, detergents• PHOSPHATES• Measured with a secchi disk• TURBIDITY

• Vegetation alongside a river bank• RIPARIAN• Indicator species for low DO• LEECHES, BLACKFLY LARVAE, SLUDGE

WORMS

EPIDEMIOLOGIST

• Someone who studies infectious diseases

MALAISE

• The condition of feeling weak, having no energy, common among those suffering from water borne illnesses

What is effluent?• Liquid waste from sewage treatment or

industrial processes that is released into a waterway

ORGANISMS THAT INDICATE THE HEALTH OF A STREAM

• BIOINDICATORS

PROCESS BY WHICH ADDED NUTRIENTS CAUSE A DECREASE IN DISSOLVED OXYGEN

• EUTROPHICATION

PATHOGEN

• A disease causing microorganism

HYPOXIA

• LOW LEVELS OF OXYGEN

GULF OF MEXICO

• A LARGE DEAD ZONE IS LOCATED HERE