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What are National Secondary Drinking Water Regulations (EPA)?

April 26, 2017drinking water EPA National regulations Secondary

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What are National Secondary Drinking Water Regulations (EPA)?

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National Secondary Drinking Water Regulations (NSDWRs or secondary standards) are non-enforceable guidelines regulating contaminants that may cause cosmetic effects (such as skin or tooth discoloration) or aesthetic effects (such as taste, odor, or color) in drinking water. EPA recommends secondary standards to water systems but does not require systems to comply. However, states may choose to adopt them as enforceable standards.