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Infectious Disease Information: Water-Related Diseases

Contaminated Drinking Water

Jump to a topic using the list to the right.

In the United States, contaminated drinking water in homes and businesses is usually a result of water main breaks or other emergency situations. Parasites cause the majority of problems.

Healthy Drinking Water site
Whether it's from your tap or from a bottle, find out where the water you drink comes from and whether it has been made safe to drink. Learn to read a Consumer Confidence Report, or test your well.

See also: Water Quality

Selected diseases spread through drinking water (United States) Go to top of page

Cryptosporidium infection
(Cryptosporidiosis, pronounced krip-toe-spo-rid-ee-oh-sis)

List of fact sheets and other articles on this disease

Preventing Cryptosporidiosis: A Guide to Water Filters and Bottled Water
How filters work; what features to look for in devices; what terms to look for on bottled water and beverage labels; where to get help

Escherichia coli O157:H7 infection (E. coli infection)

Escherichia coli infection
Fact sheet

Giardia infection
(Giardiasis, pronounced GEE-are-DYE-uh-sis)

List of fact sheets and other articles on this disease

Hemolytic uremic syndrome

Commonly caused by Escherichia coli O157:H7.� Results in acute kidney failure. See Escherichia coli infection above

Hepatitis A

Viral Hepatitis A
Fact sheets, recommendations, publications

Hepatitis (Travelers' Health information)
Multiple fact sheets and recommendations

For other diseases spread by parasites, see: Healthy Water

Treating water in emergencies or when camping Go to top of page

Emergency Disinfection of Drinking Water
How to obtain clean water for drinking, cooking, brushing teeth, and so on, when tap water supplies are unclean or unavailable. Although written for emergency situations, the information is also suitable for campers. From Office of Water, Environmental Protection Agency. This site is outside of CDC*

NOTE: CDC is not a hospital or clinical facility; we do not see patients and are unable to diagnose your illness, provide treatment, prescribe medication, or refer you to specialists.

If you have a medical emergency, contacting CDC is not the proper way to get immediate help. Instead, please contact your health care provider or go to the nearest emergency room. If you are a health care provider, please contact your state epidemiologist or local health department.

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Sections on This Page
item Selected diseases
item Treating water in emergencies or when camping
Topic Sections
item Water home page
item Contaminated drinking water
item Lakes, pools and water recreation areas
item Travelers and safe water, water and pregnant women, children, the elderly, the immunocompromised

Asterisk: site outside CDC. Read CDC statement. Note: This link leads outside the CDC site to another federal agency or CDC partner site. Any links from these sites to nonfederal organizations' links do not constitute an endorsement of these organizations or their programs by CDC or the federal government, and none should be inferred. CDC is not responsible for the content of the individual organization Web pages found at these links.

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This page last reviewed December 5, 2003

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