We're committed to protecting the environment and an open process that provides the opportunity for all voices to be heard.

As an interstate project, the Spire STL Pipeline will be reviewed for siting and permitting by the Federal Energy Regulatory Commission (FERC). The FERC will be the lead agency for other federal and state, and local permitting authorities. The pipeline will be wholly owned and operated by Spire STL Pipeline LLC. Information regarding our regulatory filings is available under Docket No. CP17-40 in FERC's eLibrary website here

To review the Spire STL Pipeline Amendment to Certificate Application, click here

To review the Spire STL Pipeline Notice of Amendment, click here.

Explore our filings below. 

Resource Report 1 - General Project Description

Resource Report 1
Appendix 1-A Topographic Maps
Appendix 1-A Topographic Maps (2)
Appendix 1-B Alignment Sheets (1)
Appendix 1-B Alignment Sheets (2)
Appendix 1-B Alignment Sheets (3)
Appendix 1-B Alignment Sheets (4)
Appendix 1-B Alignment Sheets (5)
Appendix 1-B Alignment Sheets (6)
Appendix 1-B Alignment Sheets (7)
Appendix 1-B Alignment Sheets (8)
Appendix 1-B Alignment Sheet Index-North County
Appendix 1-C - Army Corps of Engineers
Appendix 1-C - NOAA
Appendix 1-C - Illinois Department of Natural Resources
Appendix 1-C - MO Department of Natural Resources
Appendix 1-C - Local Agents & Governments

Resource Report 2 - Water Use and Quality

Resource Report 2
Appendix 2-D
Appendix 2-F (1)
Appendix 2-F (2)
Appendix 2-F (3)
Appendix 2-G

Resource Report 3 - Fish, Wildlife and Vegetation

Resource Report 3

Resource Report 4 - Cultural Resources

Resource Report 4

Resource Report 5 - Socioeconomics

Resource Report 5

Resource Report 6 - Geological Resources

Resource Report 6

Resource Report 7 - Soils

Appendix 7-A 
Resource Report 7
Appendix 7-A Maps

Resource Report 8 - Land Use, Recreation and Aesthetics

Resource Report 8

Resource Report 9 - Air and Noise Quality

Resource Report 9

Resource Report 10 - Alternatives

Resource Report 10
Appendix 10-B Alternatives Map

Resource Report 11 - Reliability and Safety

Resource Report 11

Resource Report 12 - PCB Contamination

Resource Report 12

Pre-Filing Documents

Notice of Intent
Approval for Pre-Filing
Pre-Filing Request

Notice of Application

Notice of Application

Archive Filings

Draft Resource Report 1
Draft Resource Report 1 Appendix 1A
Spire STL Pipeline Certificate Application - January 2017
Notice of Application
Appendix 1-A - January 2017
Appendix 1-B Alignment Sheets - January 2017
Appendix 1-B Alignment Sheets (2) - January 2017
Appendix 1-B Alignment Sheets (3) - January 2017
Appendix 1-B Alignment Sheets (4) - January 2017
Appendix 1-B Alignment Sheets (5) - January 2017
Appendix 1-C (1) - January 2017
Appendix 1-C (2) - January 2017
Appendix 1-C (3) - January 2017
Appendix 1-C (4) - January 2017
Appendix 1-C (5) - January 2017
Appendix 1-C (6) - January 2017
Resource Report 1 - January 2017
Appendix 2-D January 2017
Appendix 2-F - January 2017
Appendix 2-G - January 2017
Resource Report 2 - January 2017
Resource Report 3 - January 2017
Resource Report 4 - January 2017
Resource Report 5 - January 2017
Resource Report 6 - January 2017
Resource Report 7 - January 2017
Resource Report 8 - January 2017
Resource Report 9 - January 2017
Draft Resource Report 2
Draft Resource Report 3
Draft Resource Report 4
Draft Resource Report 5
Draft Resource Report 6
Draft Resource Report 7
Draft Resource Report 7 Appendix A1
Draft Resource Report 7 Appendix A2
Draft Resource Report 8
Draft Resource Report 9
Draft Resource Report 10
Draft Resource Report 11
Draft Resource Report 12

Notice of Intent

Notice of Intent

Amendment to Certificate Application

Amendment to Certificate Application
Notice of Amendment
Transmittal Letter