what are the main sources of fresh water in the united states? how do people use this natural resource?

Here are some sources that will be of help.

http://www.google.com/search?hl=en&source=hp&ie=ISO-8859-1&q=+main+sources+of+fresh+water+in+the+united+states&btnG=Google+Search

The main sources of fresh water in the United States are rivers, lakes, reservoirs, and groundwater.

To find out how people use this natural resource, you can start by conducting a basic internet search using keywords such as "uses of fresh water in the United States" or "water usage in the U.S." This will provide you with a range of sources, such as government websites, research papers, and articles, that explain the different ways people use water.

Additionally, official statistics and reports from organizations like the U.S. Geological Survey (USGS) or the Environmental Protection Agency (EPA) can also be valuable resources to gather information on water usage across different sectors.

Some common uses of fresh water in the United States include:

1. Household use: People rely on fresh water for daily activities like drinking, cooking, bathing, and sanitation.

2. Agriculture: A significant amount of fresh water is used for irrigation in agricultural practices to grow crops and raise livestock.

3. Industry: Industries such as manufacturing, energy production, and mining require fresh water for various processes, cooling, and transportation.

4. Power generation: Fresh water is used for cooling purposes in thermoelectric power plants, which generate electricity.

5. Recreation and tourism: Fresh water bodies like lakes and rivers are commonly used for recreational activities such as swimming, boating, and fishing. These activities also attract tourists.

6. Environmental purposes: Fresh water is essential for maintaining ecosystems and supporting wildlife habitats in natural areas like wetlands, rivers, and lakes.

Keep in mind that water usage can vary by region, as water availability differs across different parts of the country. It's always best to consult reliable sources for the most accurate and up-to-date information.