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The SDWA authorized the EPA to promulgate regulations regarding water supply. The major regulations are in Title 40 of the Code of Federal Regulations: 40 CFR Parts 141, 142, and 143. Parts 141, 142, and 143 regulate primary contaminants, implementation by states, and secondary contaminants.
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 year). [3] Enforcement of the standards is mostly carried out by state health agencies. [4]
For example, when comparing drinking water quality parameters in Kenya and Ethiopia with published guideline values (thresholds), scientists compared several standards: the Kenyan drinking water standard, Ethiopian standard, WHO health guideline, WHO Aesthetic guideline and the EAS (East African Standards) for natural potable water.
Of the 66,000 public drinking water systems impacted by the new standards, the EPA estimates that between 4,100 and 6,700 will eventually have to take action to reduce PFAS contamination.
When Michigan set clean drinking water standards in 2020, they were considered among the toughest in the U.S. The EPA announced stricter standards Wednesday.
The finalized rule announced by the EPA will subject six PFAS compounds to maximum contaminant levels, or MCLs, which set enforceable limits on the concentration of the compounds in drinking water ...
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 standards.
EPA ensures safe drinking water for the public, by setting standards for more than 148,000 public water systems nationwide. [148] EPA oversees states, local governments and water suppliers to enforce the standards under the Safe Drinking Water Act . [ 149 ]