As outlined in the Daily Communicator, PHMSA activated multi-factor authentication (MFA) requirements on PIMMA Plus. As of 10/19/2023 you must have an NPMS (PIMMA) account to continue using PIMMA Plus:
  1. Please use the MyAccess option as your login method.
  2. If the MyAccess option does not work please send an email to NPMS@dot.gov describing the issue. Please include screenshots showing the error message.
  3. If you do not have an NPMS (PIMMA) account please complete this form to request one. Send an email to NPMS@dot.gov and leigha.gooding@dot.gov if you need PIMMA Plus access for an emergency reason or within less than 1 business day.
Terms of Service
  • You are accessing a U.S. Government information system, which includes (1) this computer, (2) this computer network, (3) all computers connected to this network, and (4) all devices and storage media attached to this network or to a computer on this network. This information system is provided for U.S. Government-authorized use only.
  • Unauthorized or improper use of this system may result in disciplinary action, as well as civil and criminal penalties.

The Pipeline and Hazardous Materials Safety Administration has developed the Pipeline Information Management Mapping Application (PIMMA) for use by NPMS pipeline operators and federal, tribal, state, and local government officials, including emergency responders and government or pipeline operator contract staff. The application contains sensitive pipeline critical infrastructure information that is Controlled Unclassified Information (CUI). PIMMA is intended to be used solely by the person who is given access by the Pipeline and Hazardous Materials Safety Administration. Do not share your username and password with other persons either within or outside of your organization. If another person expresses interest in using PIMMA, please have them contact the Pipeline and Hazardous Materials Safety Administration directly to obtain access. The Pipeline and Hazardous Materials Safety Administration monitors user activity and reserves the right to remove individual access rights. To access PIMMA, you must agree to the following:
  • I understand that the Pipeline and Hazardous Materials Safety Administration's Pipeline Information Management Mapping Application (PIMMA) contains sensitive information.
  • I agree that it will be marked and treated as DOT proprietary information and Controlled Unclassified Information (CUI).
  • I agree to not redistribute information or maps derived from PIMMA.
  • I agree to refer requests for PIMMA access to the Pipeline and Hazardous Materials Safety Administration.
  • I agree to not share my username and password with other individuals.
  • I understand that the HCA data provided by PHMSA and displayed in PIMMA is for informational purposes only and the data needs to be verified with the organizations which produce the data.
I have read and agree to the NPMS Terms of Service and the DOT Privacy Policy.

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