Operator User Fee Assessment Information

This notice announces that the Fiscal Year 2025 user fee assessments were e-mailed to pipeline operators on April 3, 2025 .

Assessments must be paid in full, either by check (payable to U.S. Department of Transportation-PHMSA) or via the Pay.gov...

FY 2019 Operator User Fee Assessment Information

This notice announces that the Fiscal Year 2019 user fee assessments were mailed to pipeline operators on March 29, 2019.

Assessments must be paid in full, either by check (payable to U.S. Department of Transportation-PHMSA) or via the Pay.gov...

Response Options for Pipeline Operators & Excavators in Enforcement Proceedings

Civil Penalty Summary

Civil Penalty Summary

Energetic Properties of Thermite

PHMSA investigated different families of thermites to determine exclusion of certain thermite formulations from Class 1 without testing and for possible changes to transportation regulations.

2018 Annual Civil Penalty Report

Ongoing Projects

This page details ongoing projects OHMS's R&D program is funding.

Metal Foams Development for Rail Cars - SBIR

Advanced Materials Manufacturing

Research and...

Pipeline Risk Modeling Overview of Methods and Tools for Improved Implementation Report

Risk Assessment of Hazmat by UAVs

Marine Damage Prevention

In response to marine pipeline incidents, such as the gas pipeline struck by a dredge in Matagorda Bay near Port O'Connor, Texas, in April 2018, the Council for Dredging and Marine Construction Safety (CDMCS) Pipeline Task Force was formed. This task force included...