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2. Maximum contaminant level - Wikipedia

   en.wikipedia.org/wiki/Maximum_Contaminant_Level

   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).

3. Drinking water quality standards - Wikipedia

   en.wikipedia.org/wiki/Drinking_water_quality...

   Drinking water quality standards describes the quality parameters set for drinking water. Water may contain many harmful constituents, yet there are no universally recognized and accepted international standards for drinking water. Even where standards do exist, the permitted concentration of individual constituents may vary by as much as ten ...

4. Lead and Copper Rule - Wikipedia

   en.wikipedia.org/wiki/Lead_and_Copper_Rule

   EPA illustration of lead sources in residential buildings Infographic about lead in drinking water. The Lead and Copper Rule (LCR) is a United States federal regulation that limits the concentration of lead and copper allowed in public drinking water at the consumer's tap, as well as limiting the permissible amount of pipe corrosion occurring due to the water itself. [1]

5. Federal EPA limits toxic 'forever chemicals' in drinking water

   www.aol.com/news/federal-epa-limits-toxic...

   The EPA has issued federal limits on dangerous "forever chemicals" in drinking water, which it says will save thousands of lives and prevent serious illnesses.

6. Drinking water quality in the United States - Wikipedia

   en.wikipedia.org/wiki/Drinking_water_quality_in...

   In 2016, more than 5,000 drinking water systems were found to be in violation of the lead and copper rule. [56] Congress passed the Reduction of Lead in Drinking Water Act in 2011. This amendment to the SDWA, effective in 2014, tightened the definition of "lead-free" plumbing fixtures and fittings. [57]

7. Water quality law - Wikipedia

   en.wikipedia.org/wiki/Water_quality_law

   Water designated for human consumption as drinking water may be subject to specific drinking water quality standards. In the United States, for example, such standards have been developed by EPA under the Safe Drinking Water Act, [14] are mandatory for public water systems, [15] and are enforced via a comprehensive monitoring and correction ...