The econdary aximum ontaminant evel is established based on secondary considerations such as taste, odor, and appearance, when health concerns are not an issue.
econdary aximum ontaminant evel, a non-enforceable guideline that regulates contaminants that may cause cosmetic or aesthetic effects in drinking water.
Secondary Maximum Contaminant Level. Non-enforceable federal limits set for contaminants included in the Secondary Drinking Water Standards. The purpose of these limits is to assist public water systems in managing their drinking water for aesthetic considerations.
Secondary maximum contaminant level. The maximum contamination level in public water systems that, in the judgment of the U.S. Environmental Protection Agency (USEPA), are required to protect the public welfare. SMCLs are secondary (nonenforceable) drinking- water regulations established by the USEPA for contaminants that may adversely affect the odor or appearance of such water.
Secondary Maximum Contaminant Level. SMCLs are set so that drinking water will not have unpleasant taste, odor, appearance, or side effects. SMCLs are not enforcible and drinking water that exceeds them is not considered dangerous to human health. John Comer, Indiana Geological Survey.
SECONDARY MAXIMUM CONTAMINANT LEVEL. Secondary drinking-water standard for public water supplies established by the U.S. Environmental Protection Agency (2001). SMCLs primarily address aesthetic qualities of drinking water, and are not legally enforceable.