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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. Primary contaminants are those with health impacts.
Since these contaminants do not cause health problems, there are no legally enforceable limits on their presence in drinking water. However, EPA recommends maximum levels of these contaminants in drinking water. These recommendations are called "National Secondary Drinking Water Regulations" (NSDWRs), or secondary standards. [4] [7]
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.
Exposure to PFAS has been linked to deadly cancers, impacts to the liver and heart, and immune and developmental damage to infants and children
The EPA’s new drinking water limits apply to only a small fraction of the more than 12,000 types of PFAS, so activists are still concerned about overall exposure. “This is not the final step ...
EPA poster explaining public water systems and Consumer Confidence Reports. The SDWA requires EPA to issue federal regulations for public water systems. [16] [17] There are no federal regulations covering private drinking water wells, although some state and local governments have issued rules for these wells.
Title 40 is a part of the United States Code of Federal Regulations.Title 40 arranges mainly environmental regulations that were promulgated by the US Environmental Protection Agency (EPA), based on the provisions of United States laws (statutes of the U.S. Federal Code).
The reservoir was taken out of service to "meet safe drinking water regulations," the DWP said in a statement. A tear in the reservoir's cover made the water supply subject to contamination, ...