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Mechanical Fitting Failure Data from Gas Distribution Operators (2011-2021)

Published by Pipeline and Hazardous Materials Safety Administration | Department of Transportation | Catalog Last Checked: December 12, 2025 at 08:09 AM | Dataset Last Updated: December 11, 2025
Mechanical Fitting Failure (MFF) reports from Gas Distribution Operators are no longer required by PHMSA. Zip file include 2011-2021 submissions. While individual MFF reports are no longer required, the Gas Distribution Annual Report form PHMSA F-7100.1-1 includes a count of mechanical joint failures resulting in a hazardous leak starting with calendar year 2021 reports.

Resources

1 resource available

  • Mechanical Fitting Failures - 2011 to 2021 (zip file)

    APPLICATION/ZIP

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