Requests for Enforcement This section contains instances where the Pipeline Safety Trust has requested enforcement action from a regulatory agency related to a concern about pipeline safety. Letter to Texas RRC re Energy Transfer September 2024 Deer Park IncidentSeptember 2025 (Read More) Letter to PHMSA re Keystone Pipeline re Corrective Action Order June 2025 (Read More) Letter to PHMSA re Equitrans November 2022 Incident February 2023 (Read More) Categories Years