Use this website to find out about water quality issues anywhere in the U.S.A. where water studies have been conducted by the U.S. Geological Survey.

In this hands-on lesson, students will examine the labels on common household products to determine what hazardess chemicals they contain, then test less toxic alternatives to see their affects on water quality. Students will also gain...

This site details the signing and revision of the Great Lakes Water Quality Agreement by the United States and Canada. Includes a copy of the revised agreement of 1978.

Discusses many options of water treatment, the contaminants that the treatments are focused on, how the treatment works, and common treatment systems.

In this unit, students will try to improve stream quality and reduce human impacts by taking action.This Advanced Water Quality unit is packaged into three smaller parts: Part 1: Stream Habitat Assessment; Part 2: Macroinvertebrate...

This U.S. Geological Survey website offers a short article then lists topics that are linked to brief articles that describe that particular topic's effect on water quality in urban areas. Click Home to access the site in Spanish.

The City of Winnipeg water treatment plant is a state-of-the-art, modern facility designed for performance, safety, and environmental sustainability. Take a virtual tour of the plant to see how this amazing technology ensures safe...

This article discusses the importance of water in our lives, the necessity for clean water, what threatens it, and how we can act to help protect the quality of our water.

An extensive instructional activity unit on water quantity and quality and why it is important in relation to human life. Provides lessons that incorporate language, social studies, geography, and health. Tests are also provided. This is...

Information about the quality of water in the Great Lakes and the agreement signed by the United States and Canada in response to problems with the quality of the water.

Information on the effects that pesticides have on water quality, how pesticides get into creeks and rivers, and safer alternatives to pesticides.

Use this case study from the Wheeling Jesuit University and a real world type problem to learn about water pollution and water quality assessment. Lots of supporting material.

The importance of riparian areas in maintaining water quality is highlighted in this fact sheet.

This resource from the United State Geological Survey provides data about San Francisco Bay's water quality. Data is displayed in time series plots, vertical profiles, longitudinal sections, space and time contours, and x-y scatter plots.

By testing your local water quality, you will be able to compare your results with students around the world. Register your class, and follow the project instructions. Additional teacher resources, references, and Ask-an-Expert sources...

Student teams practice water quality analysis through turbidity measurement and coliform bacteria counts. They use information about water treatment processes to design prototype small-scale water treatment systems and test the influent...

PBS and the Online NewsHour have created this multimedia website about water recycling. You can see how this process is different than other waste water treatments by reading interviews, watching a slideshow or investigating a map of...

In this lesson students will learn about water treatment and what happens to water when it goes down a toilet and drains into sewers. Through further investigation students will understand the relationship between water treatment and...

Students experience firsthand one of the most common water treatment types in the industry today, flocculants. They learn how the amount of suspended solids in water is measured using the basic properties of matter and light. In...

Students measure the effectiveness of water filters in purifying contaminated water. They prepare test water by creating different concentrations of bleach (chlorine-contaminated) water. After passing the contaminated water through...

A project based scenario where students research problems and come up with answers to a local water board's concerns over water quality in the watershed. Background information is accessible for the following topics: importance of water,...

Students learn about the differences between types of water (surface and ground), as well as the differences between streams, rivers and lakes. Then, they learn about dissolved organic matter (DOM), and the role it plays in identifying...

By looking at the bottom dwelling macroinvertebrates, students will investigate water quality and habitat quality in this field lab. Students will record the number of creatures found at the bottom of a pond, lake, ditch, stream or river...

Provides a brief overview of the Clean Water Act. Includes links to its history and to information about compliance and enforcement.