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California Drinking Water-Related Laws
IMPORTANT NOTE: These documents are meant to aid staff of the Division of Drinking Water and are not to be relied upon as the State of California's representation of the law. The published codes are the only official representation of the law. Always refer to the published codes whenever specific citations are required. Follow these links to access Codes (statutes) at California Legislative Information website and for the Office of Administrative Law’s information on obtaining the officeal California Code of Regulations (CCR).
Before citing any statute or regulation, the text of the statute or regulation should be confirmed by visiting the website or the official publications mentioned above. Please report any discrepancies between these documents and the published codes to Michael.McKibben@waterboards.ca.gov.
Drinking Water-Related Statutes and Regulations
These compilations of drinking water-related laws were once referred to by staff and the regulated community as "The Blue Book."
Drinking water-related statutes are from the Corporations Code, Education Code, Food and Agricultural Code, Government Code, Health and Safety Code, Public Resources Code, and Water Code. There may be statutes related to drinking water that are not included in the latest update. Regulations are from Title 17 and Title 22 of the CCR.
- Drinking Water-Related Regulations (PDF, 3MB)...(Word, 2.6MB) - 351 pages, last updated June 14, 2016.
Recycled Water-Related Statutes and Regulations
These compilations of recycled water-related laws were once referred to by staff and the regulated community as "The Purple Book."
NOTE: The statutes are those pertinent to the activities of the Division of Drinking Water. There may be statutes that are not included in the latest update. There are also other recycled water-related laws (e.g., see the Water Recycling Funding Program's directory of recycled water-related laws). Regulations are from Title 17 and Title 22 of the CCR.
Additional Information on Regulations
Other Information and Contacts