{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "R/P1Y", "agencyDataSeriesURL": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/mechanical_fitting_failures_2011_present.zip", "agencyProgramURL": "https://www.phmsa.dot.gov/data-and-statistics/pipeline/mechanical-fitting-failure-data-gas-distribution-operators", "analysisUnit": "Annual Report information from pipeline operators", "bureauCode": ["021:50"], "categoryDesignation": "Administrative", "collectionInstrument": "Transportation", "contactPoint": {"@type": "vcard:Contact", "fn": "PHMSA-Datahub", "hasEmail": "mailto:PHMSAPHPDataandStatistics@dot.gov"}, "dataQuality": true, "description": "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.", "distribution": [{"@type": "dcat:Distribution", "downloadURL": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/mechanical_fitting_failures_2011_present.zip", "mediaType": "application/zip", "title": "Mechanical Fitting Failures - 2011 to 2021 (zip file)"}], "identifier": "33.1", "isPartOf": "DOT-33", "issued": "2000-03-15", "keyword": ["annual", "distribution", "hazardous", "liquid", "natural gas", "phmsa", "pipeline", "safety", "transmission"], "landingPage": "https://data.transportation.gov/d/rdxy-82ey", "language": ["en-US"], "license": "http://www.usa.gov/publicdomain/label/1.0/", "modified": "2025-12-11", "phone": "202-366-1878", "primaryITInvestmentUII": "021-339943484", "programCode": ["021:044"], "publisher": {"@type": "org:Organization", "name": "Pipeline and Hazardous Materials Safety Administration"}, "references": ["https://www.phmsa.dot.gov/data-and-statistics/pipeline/mechanical-fitting-failure-data-gas-distribution-operators"], "spatial": "Operator-specifc", "temporal": "R/1970-01-01/P1Y", "theme": ["Transportation"], "title": "Mechanical Fitting Failure Data from Gas Distribution Operators (2011-2021)"}