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Pipeline and Hazardous Materials Safety Administration

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The NPMS Public Map Viewer enables the user to view National Pipeline Mapping System (NPMS) data one county at a time. NPMS data consists of gas transmission pipelines and hazardous liquid trunklines. It does not contain gathering or distribution pipelines, such as lines which deliver gas to a customer's home. Therefore, not all pipelines in an area will be visible in the Public Map Viewer. To view the data, select a state and then a county from the drop-down lists. To view another county, close the Public Viewer window, return to the home page of the NPMS website and click the NPMS Public Map Viewer button again. The user may zoom in to a map scale of 1:24,000. Data cannot be downloaded from the Public Viewer.
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NOTE: RESTRICTED DATA. This dataset comprises Unusually Sensitive Areas (USAs) data for drinking water resources in the state of Wyoming. Complex polygons in this dataset represent locations of USAs for drinking water resources. In accordance with pipeline safety laws (49 U.S.C. Section 60109), the Pipeline and Hazardous Materials Safety Administration (PHMSA) is required to identify areas unusually sensitive to environmental damage in the event of a hazardous liquid pipeline accident. Through interactions with various regulatory agencies, pipeline operators, private contractors, and the general public, a process has been developed and adopted by PHMSA to identify USAs for drinking water resources (refer to the...
The NPMS Public Map Viewer allows the general public to view maps of transmission pipelines, LNG plants, and breakout tanks in one selected county. Distribution and Gathering systems are not included in NPMS. Users are permitted to print maps of the data, but the data is not downloadable.
Categories: Web Site; Tags: infrastructure
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NOTE: RESTRICTED DATA. The U.S. Department of Transportation (U.S. DOT), Pipeline and Hazardous Materials Safety Administration (PHMSA) is working with other federal and state agencies and the pipeline industry to create a National Pipeline Mapping System (NPMS). The NPMS is a full-featured geographic information system (GIS) containing the location and selected attributes of the major gas transmission and hazardous liquid transmission pipelines, and liquefied natural gas (LNG) plants operating in United States and other offshore entities. Michael Baker Jr., Inc. (Baker), as the primary contractor assumes all responsibilities of the NPMS National Repository regarding NPMS database updates, synchronization, and maintenance....
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NOTE: RESTRICTED DATA. This dataset comprises Unusually Sensitive Areas (USAs) data for ecological resources in the state of Wyoming. In accordance with pipeline safety laws (49 U.S.C. Section 60109), PHMSA is required to identify areas unusually sensitive to environmental damage in the event of a hazardous liquid pipeline accident. Through interactions with various regulatory agencies, pipeline operators, private contractors, non-profit conservation organizations, and the general public, a process has been developed and adopted by PHMSA to identify USAs for ecological resources. The process consists of identifying a set of candidate ecological resources using approved data sources, and subjecting candidates to...
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