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Drinking Water Standards

 

National Primary Drinking Water Standards Primary (Health Related) Inorganic Contaminants

 



 


National Primary Drinking Water Standards Primary (Health Related) Organic Contaminants

 



 

 

National Secondary Drinking Water Regulations

 

Recognized Treatment Techniques for meeting the National Secondary Drinking Water Regulations with the Application of Point-Of-Use Systems

"The National Secondary Drinking Water regulations control contaminants in drinking water that primarily affect the aesthetic qualities relating to the public acceptance of drinking water. The regulations are not federally enforceable but are intended as guidelines for the states" (40 CFR Section 143.3)

For simplicity, WQA uses the term Point-Of-Use (POU) when referring to both treatment at the tap and for whole house treatment.

Except for instances of contamination through inhalation or dermal adsorption, the WQA notes that in-home treatment of drinking and cooking water only is often the most economical and preferred method of choice for reducing these drinking water aesthetic contaminants. Of course, the particular contaminant found in the water will determine the appropriate treatment technique.

The recognized treatment methods listed here reflect the fact that point-of-use systems on the market today may differ widely in their effectiveness to treat any specific contaminant. Anyone contemplating use of such point-of-use equipment for a specific application or purpose should make their selection only after careful investigation of the performance capabilities. As part of the installation procedure, the performance of the system should be verified through an appropriate water analysis. In addition, the product water should be monitored periodically to verify performance.

It is the general consensus of the manufacturers and sellers of the point-of-use systems employing the listed techniques that, if these systems are defect free, properly applied and installed, and maintained strictly according to the manufacturers' installation and maintenance instructions, they may be considered for use in meeting the requirements of the National Secondary Drinking Water Regulations (SDWR).

 


 

 

     

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