Southern California Edison Requests Additional Field Personnel for Vermilion Valley Dam Drilling Investigation

Southern California Edison (SCE) has submitted a request to the Federal Energy Regulatory Commission (FERC) to add additional field personnel for the Vermilion Valley Dam drilling investigation, part of the Vermilion Valley Project (FERC No. 2086). The request comes in response to an updated drilling program plan provided by SCE in May 2025, which aims to complete the remaining work and incorporates lessons learned from the 2024 investigation. The proposal is to add an additional rig geologist, Tracy Campbell, to ensure the work is completed on schedule.

Key Takeaways:

• Southern California Edison (SCE) has submitted a request to the Federal Energy Regulatory Commission (FERC) to add additional field personnel for the Vermilion Valley Dam drilling investigation.
• The request is in response to an updated drilling program plan provided by SCE in May 2025, which incorporates lessons learned from the 2024 investigation.
• The proposal is to add an additional rig geologist, Tracy Campbell, to ensure the work is completed on schedule.
• Tracy Campbell has experience in supervision of drilling investigations at dams, as documented in her attached resume.
• Matthew Muto, SCE's contact person, can be reached at 626 302 0473 or matthew.muto@sce.com for questions or comments regarding this submittal.
• Wayne P. Allen, Principal Manager at SCE, submitted the request and attached Campbell's resume as an enclosure.

Statistics:

• 2024: The year in which the initial investigation of Vermilion Valley Dam took place.
• 2025: The year in which SCE submitted the updated drilling program plan and requested additional field personnel.
• May 19, 2025: The date on which Wayne Allen, Principal Manager at SCE, sent a letter to Frank L. Blackett, P.E., Regional Engineer at FERC, providing the updated drilling program plan.
• 2: The number of phases planned for the investigation, with the second phase set to begin in 2025.

Sources:

• FERC Project No. 2086: Reference to the specific FERC project number.
• May 19, 2025 Letter from Mr. Wayne Allen to Mr. Frank L. Blackett, P.E.: The original letter from SCE to FERC with the updated drilling program plan.
• Resume for Tracy Campbell: The attached document detailing her experience in supervision of drilling investigations at dams.
• Southern California Edison (SCE): The electricity company that submitted the request to FERC.