the national pipeline mapping system (npms) · 2021. 7. 21. · • only complete non-commercial...
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![Page 1: The National Pipeline Mapping System (NPMS) · 2021. 7. 21. · • Only complete non-commercial source of transmission pipeline GIS data. Data Collection and Maintenance • Data](https://reader036.vdocument.in/reader036/viewer/2022081518/614445eaaa0cd638b460bfec/html5/thumbnails/1.jpg)
The National Pipeline
Mapping System (NPMS)
Amy Nelson
GIS Manager
US Department of Transportation
Pipeline and Hazardous Materials Safety
Administration
(USDOT PHMSA)
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What is the NPMS?
• A GIS dataset containing liquid and gas
transmission pipelines and LNG facilities in the
United States
• Created by USDOT PHMSA
• A GIS-enabled Web site is at
www.npms.phmsa.dot.gov• Only complete non-commercial source of
transmission pipeline GIS data
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Data Collection and
Maintenance• Data collected from transmission pipeline
operators
• Submission is mandatory; submissions updated
each year
• Acceptable formats include GPS coordinates,
CAD files, ESRI shapefiles
• Data processed and maintained by contractor
Michael Baker
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Two Ways to View
Pipeline Maps• PIMMA
° Password required
° Access limited to Federal government, state/local government,pipeline operators
° Contractors may use their client’s login information if an NDAis signed (client must apply for the account)
° Contains most detailed information
° Allow one week for processing, plus mail time
• Public Viewer° Newly launched
° Open to everyone
° View only one county per session
° Limited information and detail
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View data without username/password
Apply for a username/password
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NPMS Public Viewer
No password required
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NPMS Public Viewer
Maximum zoom extent is shown
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View public contact
information
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Contacting a Pipeline
Operator• General public may view list of transmission
pipeline operators in their area
• Tabular data contains a name or entity, and
phone number or email
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PIMMA (Password required)
www.npms.phmsa.dot.gov
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PIMMA with USGS aerial photos
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Obtaining Raw Data
• Available to Federal/state/local government
officials and pipeline operators
• Data delivered on CD in ESRI shapefile format
• Allow one week for processing, plus mail
service
• Data cannot be shared or disseminated, except
internally in your agency
° Exception: county/local governments (contact
[email protected] for details)
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Ask for raw data on CD
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Data Attributes
Attributes include
• Operator name
• Pipeline system name
• Commodity carried
• Diameter (optional but reported for 78% of
records)
• Interstate/ intrastate designation
• Data accuracy
Not all attributes are available on the
Public Viewer
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Data Accuracy
0-50 feet
22%
51-300 feet
45%
301-500 feet
29%
Unknown
2%
501-1000 feet
2%
Standard is +/- 500 feet