2024年7月31日 · Tap water can get contaminated by human or animal poop, natural or man-made chemicals, or other sources. If your tap water is contaminated, do not drink it. Contact your health department for advice about how to make it safe …

2023年9月13日 · In 2022, globally, at least 1.7 billion people use a drinking water source contaminated with faeces. Microbial contamination of drinking-water as a result of contamination with faeces poses the greatest risk to drinking-water safety.

2024年7月16日 · Germs and chemicals in drinking water cause a variety of mild to serious health issues. Symptoms depend on the type of germ or chemical in the unsafe water. Keep Reading: Health Effects and Who is at Risk. Many germs that …

2023年7月5日 · Almost half of the tap water in the United States is contaminated with chemicals known as “forever chemicals,” according to a study from the US Geological Survey.

2024年12月12日 · The National Primary Drinking Water Regulations (NPDWR) are legally enforceable primary standards and treatment techniques that apply to public water systems. Primary standards and treatment techniques protect public health by limiting the levels of contaminants in drinking water.

2025年1月30日 · Public tap water in the United States is regulated and usually safe to drink. However, sometimes tap water gets contaminated with chemicals that can make you sick. Contact your drinking water utility or health department if you think your tap water is contaminated with harmful chemicals.

2024年7月8日 · Surface waters and aquifers can be contaminated by various chemicals, microbes, and radionuclides. Disinfection of drinking water has dramatically reduced the prevalence of waterborne diseases (such as typhoid, cholera, and hepatitis) in the United States.

2024年10月10日 · Worldwide, nearly 2 billion people drink contaminated water that could be harmful to their health. 2 Though more of a concern in developing countries, safe drinking water is a U.S. public health priority.

2024年8月17日 · Drinking water may reasonably be expected to contain at least small amounts of some contaminants. Some drinking water contaminants may be harmful if consumed at certain levels in drinking water while others may be harmless. The presence of contaminants does not necessarily indicate that the water poses a health risk.

However, one in four people in the world does not have access to safe drinking water, which is a major health risk. Unsafe water is responsible for more than a million deaths each year. This article looks at data on access to safe water and its implications for health worldwide.