# DTE GAS COMPANY — Integrity Assurance Notification

- **operation:** document
- **citation:** PHMSA 26-380057
- **title:** DTE GAS COMPANY — Integrity Assurance Notification
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** 2026-08-03
- **effective on:** 2026-08-03
- **summary:** GAS TRANSMISSION in MI; PRESSURE OUTSIDE HCA; PHMSA status: UNDER REVIEW.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-leading-ian-26-380057-operator-12408.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-leading-ian-26-380057-operator-12408.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-leading-ian-26-380057-operator-12408
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/SRCR_and_Integrity_Assurance_Notifications.zip
**body:**

The purpose of this letter is to provide notification of DTE’s intent to operate the Austin-Detroit ‘C’ pipeline at a reduced pressure (735 psig) exceeding 365 days until In-Line Inspection (ILI) anomalies are remediated, per 192.714(e)(3) and 192.933(a)(2). ILI was performed on this pipeline in 2025. The report was received with enough information for DTE to discover anomalies beginning on August 1, 2025, and identified 131 total actionable conditions.
- **truncated:** false
- **body characters:** 457