Perchlorate MCL (R-16-04)

Information and documentation pertaining to this regulatory proposal.

R-16-04 - Perchlorate in Drinking Water

California Code of Regulations Title: 22
Sections: 64413.1, 64431, 64432, 64432.3, 64432.8, 64447.2, 64450, 64465, and 64481

History of Rulemaking Proceeding

Notice of Proposed Rulemaking Published: September 1, 2006
California Regulatory Notice Register 2006, No. 35-Z
Close of 45-day Public Comment Period: November 3, 2006
Close of 15-day Public Comment Period: April 20, 2007
Filed with the Office of Administrative Law: August 6, 2007
Approved by the Office of Administrative Law: September 18, 2007
Filed with the Secretary of State: September 18, 2007
Effective Date: October 18, 2007

Status of the proposal

This rulemaking is complete.

Inquiries regarding the substance of the regulations may be directed to the Division of Drinking Water's Regulatory Development Unit at [email protected]

Rulemaking Documentation

45-Day Comment Period Documentation

15-Day Comment Period Documentation

Final Documentation


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State Water Resources Control Board
Division of Drinking Water
Regulatory Development Unit

Mailing Address:
P.O. Box 100
Sacramento, CA 95812-0100

Street Address:
1001 I Street
Sacramento, CA 95814

E-mail us at [email protected].