Pipeline Information Management Mapping Application (PIMMA)
Please enter the username and password assigned to you by the Pipeline and Hazardous Materials Safety Administration (PHMSA).
  • 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.
  • By using this information system, you understand and consent to the following:
    • You have no reasonable expectation of privacy regarding any communications or data transiting or stored on this information system. At any time, and for any lawful government purpose, the government may monitor, intercept, and search and seize any communication or data transiting or stored on this information system.
    • Any communications or data transiting or stored on this information system may be disclosed or used for any lawful government purpose.

PHMSA has developed the Pipeline Information Management Mapping Application (PIMMA) for use by pipeline operators and federal, state, and local government officials. The application contains sensitive pipeline critical infrastructure information. PIMMA is intended to be used solely by the person who is given access by PHMSA. Your username and password should not be shared with other persons either within or outside of your organization. If another person expresses interest in using PIMMA, please have him or her contact the PHMSA directly to obtain access. PHMSA monitors user activity and reserves the right to remove individual access rights. By accessing this application, you agree to the following:
  • I understand that PHMSA's PIMMA contains security-sensitive information, and I agree that it will be treated as DOT proprietary information.
  • I agree to not redistribute information or maps derived from PIMMA.
  • I agree to refer requests for PIMMA access to PHMSA.
  • I agree to not share my username and password with other individuals.
  • Pipeline mileage shown in the mapping application may vary up to 10%, or in rare cases , more than 10%, from pipeline mileage measured by other sources.
I accept