The Office of Pipeline Safety (OPS) investigates and prepares reports for failures based on the severity of the consequences, failure modes, and the history of a pipeline system. In Addition, OPS offers a series of reports to Congress.

Reports to Congress (FY2015)

PHMSA's Fiscal Year 2015 Staffing and Hiring Plan - July 2015
PHMSA's Assessment of Pipeline Emergency Response Training - July 2015
Report to Congress on Natural Gas and Hazardous Liquid Gathering Lines - May 2015

Reports to Congress (FY2014)

Report to Congress on the Study of Diluted Bitumen - August 2014
Report to Congress on Open Statutory Mandates - January 2014
Report to Congress on Excavation Damage - October 2014

Reports to Congress (FY2013)

Report to Congress on Hazardous Liquid Pipelines Crossing Inland Waterways - August 2013
Open Statutory Mandates - February 2013