OSPR - Unannounced Drill Program

OSPR's Unannounced Drill Program is being redesigned in conjunction with OSPR's harmonized drills and exercises regulations (Section 820.1), and will be implemented in fiscal year 2024/2025.

Section 820.1 can be found on OSPR's Drills and Exercises page. As described in subsection (a)(6)(F), an unannounced drill or exercise is referred to as an OSPRIE, or Office of Spill Prevention and Response Initiated Event.

Updated information will be posted here as it becomes available.


Chris Thixton
Phone: (562) 233-7095

Office of Spill Prevention and Response
Mailing: P.O. Box 944209, Sacramento, CA 94244-2090
(916) 375-8580 for OSPR Information

Report Oil Spills
(800) 852-7550 or (800) OILS-911

Email OSPR | Office Locations

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