American Water Works Association · 1946 · 119 citations · 0 references
Natural ResourcesEnvironmental EngineeringEnvironmental PolicyEnvironmental RegulationWater Quality ManagementWater TreatmentDrinking Water GovernanceDrinking Water PolicyDrinking Water SafetyEnvironmental StandardsWater QualityWater RegulationAdverse Health EffectsDrinking Water ContaminantsDrinking Water Quality RegulationPrimary StandardsRegulatorsSecondary StandardsWater Quality StandardsWater Safety Standards
Maximum Contaminant Level (SMCL).Secondary Standards are not enforced.They are guidelines for water treatment plant operators and state governments attempting to provide communities with the best quality water possible.Table 2 lists the current secondary drinking water standards. How Standards Are SetEPA regulators develop Primary Standards for drinking water contaminants based on three criteria:• The contaminant causes adverse health effects.• Risk assessment and cost-benefit considerations.• It is known to occur in drinking water.