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Appearance. Drinking water quality in the United States is generally safe. In 2016, over 90 percent of the nation's community water systems were in compliance with all published U.S. Environmental Protection Agency (US EPA) standards. [ 1 ] Over 286 million Americans get their tap water from a community water system.
The Safe Drinking Water Act (SDWA) is the primary federal law in the United States intended to ensure safe drinking water for the public. [ 3 ] Pursuant to the act, the Environmental Protection Agency (EPA) is required to set standards for drinking water quality and oversee all states, localities, and water suppliers that implement the ...
Drinking water or potable water is water that is safe for ingestion, either when drunk directly in liquid form or consumed indirectly through food preparation. It is often (but not always) supplied through taps, in which case it is also called tap water. Typically in developed countries, tap water meets drinking water quality standards, even ...
The Safe Drinking Water Act is the principal federal law governing public water systems. [1] These systems provide drinking water through pipes or other constructed conveyances to at least 15 service connections, or serve an average of at least 25 people for at least 60 days a year. As of 2017 there are over 151,000 public water systems.
This target has one indicator: Indicator 6.1.1 is the "Proportion of population using safely managed drinking water services". [11] The definition of "safely managed drinking water service" is: "Drinking water from an improved water source that is located on premises, available when needed and free from fecal and priority chemical contamination."
Water quality refers to the chemical, physical, and biological characteristics of water based on the standards of its usage. [ 1 ][ 2 ] It is most frequently used by reference to a set of standards against which compliance, generally achieved through treatment of the water, can be assessed.
Maximum contaminant levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality. [1][2] An MCL is the legal threshold limit on the amount of a substance that is allowed in public water systems under the Safe Drinking Water Act (SDWA). The limit is usually expressed as a ...
The term "safely managed drinking water services" is defined as: "Drinking water from an improved water source that is located on premises, available when needed and free from fecal and priority chemical contamination". [2] In 2017, the JMP defined a new term: "basic water service". This is defined as the drinking water coming from an improved ...