Definitions for "SMCL"
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.