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CDC is collaborating with the National Ground Water Association to highlight National Ground Water Awareness Week, March 9–15, 2014. Many persons are not aware that much of the water they use flows from below ground to the surface to public water systems and private wells. The National Ground Water Association uses this week to stress the importance of ground water to the health and well-being of humans and the environment (1).

Learn more about ground water, the threats to its safety, and how to protect your own ground water sources during Ground Water Awareness Week.

People who enjoy outdoor activities where freshwater or wet soil are encountered may be at risk for leptospirosis. This includes swimming, kayaking, rafting and canoeing in freshwater, hiking and camping. Learn how to help prevent infection and stay safe outdoors.

Each year on March 22, World Water Day attracts international attention to the conservation and development of freshwater resources.

World Water Day, sponsored by the United Nations, is observed each year on March 22. This year, World Water Day focuses on water and energy. Water and energy are closely linked.

Water is the foundation for life. Learn more about the vital role safe water plays in our lives and what CDC is doing to address challenges to our water supply.

Water is the foundation for life. Learn more about the vital role safe water plays in our lives and what CDC is doing to address challenges to our water supply.

The United States has one of the safest public drinking water supplies in the world (1). Tap water not only provides water for daily household activities such as drinking, bathing, and cooking, it also benefits the entire community by providing water to serve businesses, schools, and hospitals, and to promote overall health (2). May 4–10, 2014, is Drinking Water Week, an annual observance whose theme ("What Do You Know About H2O?") underscores the many ways in which all consumers can get to know their water (3).

May 19–25, 2014, marks the 10th annual Recreational Water Illness and Injury Prevention Week. This observance highlights ways in which swimmers, parents, pool owners and operators, beach managers, and public health can maximize the health benefits of water-based physical activity, while avoiding water-associated illness and injury.

Having fun while you swim this summer means knowing how to prevent recreational water illnesses (RWIs) and injuries. Learn how to stay healthy and safe while enjoying the water!

Hot weather provides opportunities for kids to enjoy the outdoors. Take steps to keep them safe and healthy, both indoors and outdoors.

Government agencies and the aquatics industry can help keep swimming healthy and fun.

A fact sheet that reviews research about the possibility of a connection between fluoridated water and cancer.

Lead is a naturally occurring metal found deep within the ground. It occurs in small amounts in ore, along with other elements such as silver, zinc or copper.

Education and information about healthy swimming and recreational water, including recreational water illnesses (RWI), contaminated water, water-related injuries or risks such as drowning, entrapment, or skin cancer, cryptosporidium, model aquatic health code, boating, pools and spas, pool and spa design and operation guidelines, legionellosis, pool disinfection, water quality indicators, beach monitoring, diarrhea, chlorine disinfection, sun protection, certified pool spa inspector training, fecal contamination, lakes, rivers, outbreaks, lifeguard training, chlorine disinfection, swimming and health, swimming and illness, health benefits of swimming, swimming's benefits and swimming benefit.