We have added the 2022-11-18 All Operators Letter (Spring MANGO general meeting, NTSB Incident Report) All Operator Letter to the resource page .
All PSC Operator Letters
We have uploaded and updated all PCS Operator Letters dated from 2008 to current year. If we are missing an All PCS Operator Letter please contact us and we will get this updated.

Contact and Mapping Updates to MOCS
The MOPSC Staff would like to remind operators of the importance of complying with the requests from MOCS to update maps and contact data as required by 4 CSR 240-40.030(12)(I). This data and information is used to develop, maintain and… Read More

Operators with Replacement Programs for Service/Yard Lines and/or Mains
Please submit information regarding the status of your replacement program(s) to this office no later than March 15, 2019. Please provide details and quantities for the 2018 calendar year (or fiscal year for some main programs approved by the Commission)… Read More