The Department of Transportation, Office of Pipeline Safety, is considering adopting regulations to implement the requirements for inspection and maintenance plans, as prescribed by section 11 of the Natural Gas Pipeline Safety Act of 1968.

This regulation establishes requirements for the reporting of natural gas pipeline leaks and test failures by operators of transmission and distribution systems and by operators of gathering systems located in populated areas. This regulation...

The FAQs contained on this page are intended to clarify, explain, and promote better understanding and implementation of the gas distribution pipeline integrity management (IM) and "Farm Tap" regulations contained in 49 CFR Part 192, SubPart P and §...

Underground Natural Gas Storage: Geological Formations

The picture below illustrates the various types of geologic formations used for underground natural gas storage. As noted, the majority of underground gas storage facilities make use of...

This site is administered by the Pipeline and Hazardous Materials Safety Administration (PHMSA). PHMSA published the final rule establishing integrity management (IM) requirements for gas distribution pipeline systems on December 4, 2009 (74 FR 63906...

History of DIMP - The History of DIMP provides background on why, how and when the DIMP regulation was developed and promulgated. All documents...

Presentation Files: Distribution Construction Workshop

Presentation Files: Distribution Construction Workshop

Presentation Files: Distribution Construction Workshop