PGE Submits Incident Report for Pelton Reregulating Dam Drainage Pipeline Break

Strategic Insights -

A recent submission to the Federal Energy Regulatory Commission (FERC) by Portland General Electric (PGE) reveals a significant incident involving the Pelton Reregulating Dam drainage pipeline. On August 28, 2025, a PGE employee notified Jordan Reimer of FERC via phone call at 10:50am about the broken drainage pipeline. Following this report, PGE operations personnel have been conducting daily visual observations and seepage readings to monitor the situation.

Key Takeaways:

  • The incident was reported to FERC on August 28, 2025, and PGE submitted the required incident report on September 12, 2025.
  • The report is in compliance with 18 CFR Part 12.10(a)(2), which requires the submission of an incident report within a specified timeframe.
  • PGE Operations personnel have been conducting daily inspections and seepage readings to monitor the broken pipe.
  • A ground disturbance activity (GDA) request was filed with FERC on September 11, 2025, to repair the broken pipe.
  • Chief Dam Safety Engineer David Hendrix submitted the report and is available for questions at (503) 464-8119.

Statistics:

  • The incident was first reported to FERC on August 28, 2025, at 10:50am.
  • PGE operations personnel have been conducting visual observations and seepage readings 3 times a day since the incident.
  • The GDA request was filed with FERC on September 11, 2025.
  • The complete document can be viewed on the FERC eLibrary at https://elibrary.ferc.gov.

Sources:

  • PGE Email dated August 28, 2025 (PRB-Email 33.2025) - Notification of Seepage Observed at Reregulating Dam
  • FERC Email dated August 28, 2025 (FERC-Email PRB-10.2025) - Seepage Observed at Reregulating Dam - Incident Report Request