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Eight percent of the community water systems—large municipal water systems—provide water to 82 percent of the US population. [2] The Safe Drinking Water Act requires the US EPA to set standards for drinking water quality in public water systems (entities that provide water for human consumption to at least 25 people for at least 60 days a ...
Learn about the causes, effects, and solutions of water pollution in the US, including sewage, industry, agriculture, and urban runoff. Find out how the Clean Water Act regulates point source pollution and how nonpoint source pollution is more challenging to control.
Learn about the population, ethnicity, language, and growth rate of the U.S., the third most populous country in the world. The U.S. had an estimated resident population of 334.9 million on July 1, 2023, according to the Census Bureau.
Learn about different ways of storing water for consumption and agriculture, such as groundwater, soil moisture, wetlands, ponds, tanks, dams and reservoirs. Also explore the challenges and benefits of water storage, such as contamination, evaporation, flood control and food security.
Edwards and Trinity Aquifers map. The Edwards Aquifer is one of the most prolific artesian aquifers in the world. [2] Located on the eastern edge of the Edwards Plateau in the U.S. state of Texas, it is the source of drinking water for two million people, and is the primary water supply for agriculture and industry in the aquifer's region.
Water conservation is the sustainable management of fresh water to meet current and future human demand and protect the hydrosphere. It involves various policies, strategies and activities to reduce water loss, use and waste, avoid water quality damage, and improve water management practices.
Learn about the racial and ethnic diversity of the U.S. population, the official categories used by the federal government, and the history and trends of racial and ethnic identification. Find statistics, maps, and sources for each group, including Hispanic, Latino, Asian, Native American, and more.
Learn about the ancient and modern developments of water supply and sanitation systems around the world. The article covers various regions, civilizations, and technologies, but does not mention the origin of public health and sanitation systems.