The Statutes and adopted Regulations enacted for the State supervision of all jurisdictional dams are available to review here.

Statutes

• Parts 1 and 2 of Division 3, Dams and Reservoirs, California Water Code

• On June 27, 2018, SB 854 updated California Water Code section 6161 to clarify requirements for dams with an EAP as of March 1, 2017.
  • If the EAP did not have inundation maps for all critical appurtenant structures at your dam, you must submit a schedule to DSOD by August 25, 2018 to complete the maps. Notice to Owners of Dams with EAPs as of March 1, 2017.
  • If you did not have an EAP as of March 1, 2017, this change does not affect you.
  • If you have questions, you may contact Senior Engineer Kristen Martin at (916) 227-2170 or MapRegs@water.ca.gov.

Regulations Adopted by DWR

• Chapter 1 of Division 2, Title 23 Waters, California Code of Regulations

The Department is currently in the process of adopting new Regulations for the Annual Fees and Inundation Maps.

Annual Fees Regulations

• Notice of Proposed Action – DSOD has developed regulations for annual fees that define a methodology for establishing the annual schedule of fees pursuant to Water Code section 6307. Please see the Notice of Proposed Action for details on how to submit comments by January 7, 2019. Contact Marcelino Alcantar at (916) 227-4640 or at Marcelino.Alcantar@water.ca.gov with any questions.
  • Proposed Annual Fee Regulations 
  • Initial Statement of Reasons

• Notice of Proposed Emergency Regulatory Action (December 5, 2018)
• Finding of Emergency (December 5, 2018)
• Annual Fee Regulations (December 5, 2018) 

 Inundation Map Regulations

• Notice of Proposed Action (8/17/2018) – DSOD has revised the draft permanent regulations that establish standards for inundation maps. See the Notice of Proposed Action for details on how to submit comments on the revisions by September 1, 2018. Contact Kristen Martin at mapregs@water.ca.gov or (916) 227-2170 with any questions.
  • Revised Draft Regulations (8/17/2018)
  • Initial Statement of Reasons
  • Documents Incorporated by Reference:
    • Table 9-3 of FEMA P-946
    • Table 1 of FERC Ch. 2, Appendix II-A
    • Table 2 of USBR-DSO-98-004

• Inundation Map Emergency Regulations (effective 7/18/2018)
• Finding of Emergency
• FEMA 333 (2004): Federal Guidelines for Dam Safety
• FEMA P-946 (2013): Federal Guidelines for Inundation Mapping

• Engineering Guidelines for the Evaluation of Hydropower Projects, Ch. VI: Emergency Action Plans

• Revisions

• Engineering Guidelines for the Evaluation of Hydropower Projects, Ch. II: Selecting and Accommodating Inflow Design Floods for Dams