Water Pollutants

This law sets standards on pollutants for community water supplies.

• Clean Water Act (CWA)

• Safe Drinking Water Act (SDWA)

• National Environmental Policy Act (NEPA)

• Oil Pollution Act

Most water pollution is the result of __________________.

• natural processes

• animal waste

• human activities

• acid rain

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Eutrophication is caused by

• runoff of excessive fertilizer and nutrients

• cleaning up waterways

• using nuclear energy

• using solar energy

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Point-source pollution and non point-source pollution differ in

• the kind of biological agents causing the pollution.

• whether the source of pollution is agricultural or industrial.

• the number of sources from which the pollution is discharged.

• whether the pollutants are chemical or physical agents.

Fertilizers are classified as which kind of water pollutant?

• organic chemicals

• inorganic chemicals

• heavy metals

• physical agents

One reason polluted groundwater pollution is difficult to clean is that

• the location of underground storage tanks is not always known.

• pollutants cling to the materials that make up aquifers.

• runoff contaminates the water supply.

Sources of ocean pollution include

• oil spills.

• direct dumping of wastewater.

• activities on land.

• All of the above.

A diffuse areas such as and entire framing region, a suburban community with many lawns and septic systems or storm runoff from parking lots.

• Point source

• nonpoint source

• wastewater

• water pollution

Which of the following is a common heavy metal pollutant found in water?

• Lead

• Sodium

• Calcium

• Potassium

What is the primary cause of thermal pollution in water bodies?

• Industrial discharge

• Agricultural runoff

• Household waste

• Natural springs

Tags

NGSS.MS-ESS3-4