As a reminder, gas transmission operators are requested to submit their NPMS data (or notification of no changes) by March 15, 2014. The data should reflect assets as of 12/31/13. Hazardous liquid operators are requested to submit their NPMS data (or notification of no changes) by June 15, 2014. The data should reflect assets as of 12/31/13.

The NPMS staff has prepared an Operator Submission Guide to assist you in preparing your NPMS submission this year. Click here for a copy of the guide; or by clicking the NPMS Operator Submission Guide link on the left-hand side of https://www.npms.phmsa.dot.gov.