49 CFR § 191.9 - Distribution system: Incident report.
---
identifier: "/us/cfr/t49/s191.9"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 191.9 - Distribution system: Incident report."
title_number: 49
title_name: "Transportation"
section_number: "191.9"
section_name: "Distribution system: Incident report."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "D"
subchapter_name: "PIPELINE SAFETY"
part_number: "191"
part_name: "TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE; ANNUAL, INCIDENT, AND OTHER REPORTING"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 185(w)(3), 49 U.S.C. 5121, 60101 and 49 CFR 1.97."
cfr_part: "191"
---
# 191.9 Distribution system: Incident report.
(a) Except as provided in paragraph (c) of this section, each operator of a distribution pipeline system shall submit Department of Transportation Form PHMSA F 7100.1 as soon as practicable but not more than 30 days after detection of an incident required to be reported under § 191.5.
(b) When additional relevant information is obtained after the report is submitted under paragraph (a) of this section, the operator shall make supplementary reports as deemed necessary with a clear reference by date and subject to the original report.
(c) Master meter operators are not required to submit an incident report as required by this section.
[Amdt. 191-5, 49 FR 18960, May 3, 1984, as amended at 75 FR 72905, Nov. 26, 2010; Amdt. 191-37, 90 FR 40760, Aug. 21, 2025]