LawWiki
HomeCodesSearchGlossaryAPIAbout
LawWiki

Plain English summaries of California law with zero-hallucination AI. Every summary is verified against official source text.

Product

  • Search
  • Codes
  • About

Legal

  • Privacy Policy
  • Terms of Service
  • Disclaimer

© 2026 LawWiki. All rights reserved.

HomeWater CodeDiv. 6Pt. 2.6Ch. 3Art. 3§ 10640 Urban Water Plan Requirements

§ 10640 Urban Water Plan Requirements

Water Code·California
AI Summary·Official Text·Key Terms·Related Statutes·References
AI SummaryVerified

§ 10640 Urban Water Plan Requirements

This law says water companies in cities must make plans for how to handle water shortages and update them regularly.

Key Takeaways

  • •Water companies in cities must create plans for water shortages.
  • •These plans must be reviewed and updated regularly.
  • •If changes are needed, they must follow the rules in this law.

Example

A city is running out of water because of a drought.

The water company must have a plan ready to deal with the shortage, like telling people to use less water or finding new water sources.

AI-generated — May contain errors. Not legal advice. Always verify source.

Official Source
View on CA.gov

§ 10640 Urban Water Plan Requirements

(a) Every urban water supplier required to prepare a plan pursuant to this part shall prepare its plan pursuant to Article 2 (commencing with Section 10630). The supplier shall likewise periodically review the plan as required by Section 10621, and any amendments or changes required as a result of that review shall be adopted pursuant to this article. (b) Every urban water supplier required to prepare a water shortage contingency plan shall prepare a water shortage contingency plan pursuant to Section 10632. The supplier shall likewise periodically review the water shortage contingency plan as required by paragraph (10) of subdivision (a) of Section 10632 and any amendments or changes required as a result of that review shall be adopted pursuant to this article. (Amended by Stats. 2018, Ch. 14, Sec. 37. (SB 606) Effective January 1, 2019.)

Last verified: January 11, 2026

Key Terms

urban water supplierwater shortage contingency planArticle 2Section 10621Section 10632

Related Statutes

  • § 10641 Water Supplier Consultation Requirements
  • § 10642 Public Water Plan Involvement
  • § 10644 Urban Water Plan Submission
  • § 10645 Public Water Plan Review
  • § 10620 Urban Water Management Plans

References

  • Official text at leginfo.legislature.ca.gov
  • California Legislature. Water Code. Section 10640.
View Official Source