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Arsenic Rule Implementation

On January 22, 2001 EPA adopted a new standard for arsenic in drinking water at 10 ppb, replacing the old standard of 50 ppb.  The rule became effective on February 22, 2002.  The date by which systems must comply with the new 10 ppb standard is January 23, 2006. 

Final Implementation Guidance for the Arsenic Rule

The final Implementation Guidance for the Arsenic Rule is based on the final rule published in the Federal Register on January 22, 2001. It incorporates comments received on the previous draft implementation guidances, and from the training sessions on the arsenic rule held throughout the country. The guidance summarizes key sections of the Proposed Rule and provides a "how to approach" for EPA Regions and States to implement the regulation. It contains an explanation of the rule's requirements and guidance for preparing State primacy revision applications. The document incorporates comments received from Regions, States, technical assistance providers, water systems, and others.

Implementation Guidance for the Arsenic Rule - Drinking Water Regulations for Arsenic and Clarifications to Compliance and New Source Contaminants Monitoring - (EPA-816-K-02-018)

Training
Treatment Technologies
Funding
    • Rural Development-Rural Utilities Service, Loan, and Grant Program: Fact Sheet PDF
    • Using DWSRF Funds to Comply with the New Arsenic Rule: PDF
    • Memorandum of Agreement between EPA and U.S. Department of Agriculture's Rural Utilities Service on supporting compliance with the arsenic standard:  PDF
Arsenic Rule

More about Arsenic rule-making

You will need Adobe Acrobat Reader to view the Adobe PDF files on this page. See EPA's PDF page for more information about getting and using the free Acrobat Reader.

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