MRT Non-Critical Notice

Notice ID: 64880
Notice Type: PSO
Critical: N
Notice Status Description:
Reqrd Rsp Desc: No Response Required
Response Date/Time:
Posting Date/Time: 2026-06-15 07:43:00.0
Subject: Planned Service Outages [June 2026 Calendar]
Notice Effective Date/Time: 2026-06-15 07:44:00.0
Notice End Date/Time: 2026-09-01 00:00:00.0
Notice Text:

Start Date

End Date

Title

Location

Maintenance

Impact

SPW

4/15/2026

11/1/2026

Station Automation

 Twelve Mile Compressor

Integrity Work

1

5/5/2026

7/10/2026

Carlisle Station Annual Maintenance

 Carlisle Compressor

Regular Maintenance

1

5/7/2026

7/30/2026

West Point unit #3 rod replacement

 Westpoint Compressor

Regular Maintenance

1

5/26/2026

10/1/2026

Poplar Bluff Station Maintenance

 Popular Bluff Compressor

Regular Maintenance

1

6/8/2026

6/11/2026

Unionville #3 engine SDM upgrade

 Unionville

Other

1

6/8/2026

7/31/2026

Unionville 1-2-3-4 dehy cleaning

 Unionville

Regular Maintenance

1

6/15/2026

9/30/2026

WEST POINT MAINTENANCE

 Westpoint Compressor

Annual Maintenance

1

6/16/2026

6/16/2026

ALLN Pig Run

 Meramec Alton

ILI Pigging Project

1

6/23/2026

6/23/2026

Glendale Station Emissions Testing

 Glendale Compressor

Emissions Testing

1

6/29/2026

6/30/2026

MRT ML2 Black River to MP313_VS-V12Da Anomaly Dig

 Pipe - Twelve Mile

Digs

1

7/3/2026

7/18/2026

ML3 Poplar Bluff to Twelve Mile Scheduled Anomaly Digs

 Pipe - Twelve Mile

Digs

1

7/6/2026

7/18/2026

Perryville Compressor Station

 Perryville Compressor

Regular Maintenance

1

7/14/2026

7/14/2026

18x20x22" ALLN A-75 to Horseshoe Lake ILI - GEO

 Pipe - Columbia

ILI Pigging Project

1

7/16/2026

7/16/2026

18x20x22" ALLN A-75 to Horseshoe Lake ILI – MFL

 Pipe - Columbia

ILI Pigging Project

1

7/20/2026

8/1/2026

Perryville Compressor Station Unit 1-1375

 Perryville Compressor

Regular Maintenance

1

7/21/2026

7/22/2026

ML2 Black River Crossing to Lake Creek Crossing Anomaly Digs

 Pipe - Twelve Mile

Digs

1

8/3/2026

8/21/2026

Meramec Receiver Barrel & Piping Modifications

 Pipe - Columbia

Integrity Work

1

8/24/2026

10/23/2026

ML2 Class Location Relay

 Pipe - Twelve Mile

Integrity Work

1

9/9/2026

9/14/2026

ML1 Joachim Creek HDD

Pipe - Bonne Terre

Integrity Work

1

9/14/2026

9/15/2026

Mississippi River Lines Abandonment

Pipe - Bonne Terre

Other

1

10/1/2026

10/2/2026

Columbia M&R Regulator Replacement

Columbia

Valve Maintenance

1

10/1/2026

10/2/2026

ML2 Twelve Mile to Ste Genevieve-100 Line

 Pipe - Twelve Mile

Integrity Work

1

10/3/2026

10/4/2026

ML3 Twelve Mile to St Genevieve-100 Line-VS-V17 - Hydrotest

 Pipe - Twelve Mile

Integrity Work

1

10/3/2026

10/4/2026

ML3 Twelve Mile to St Genevieve-100 Line-VS-V79 - Hydrotest

 Pipe - Twelve Mile

Integrity Work

1

12/1/2026

12/2/2026

ML2 Class Location Relay

 Pipe - Twelve Mile

Pipe Replacement

1

12/1/2026

12/2/2026

ML1 Joachim Creek HDD

 Bon Terre Tower

Pipe Replacement

1

12/1/2026

12/2/2026

Meramec Receiver Barrel & Piping Modifications

 Pipe - Bonne Terre

Pipe Replacement

1

1.  No capacity impact is expected at this time.

2.  Coordinating with necessary loads.

3.  Based on historical and current throughput, no capacity impact is expected.  In the event nominations increase significantly, restrictions may become necessary.

4.  Coordinating maintenance with interconnecting pipe to minimize customer impact.  No capacity impact is expected at this time; however, if operating conditions change, affected parties will be notified.

5.  Affected production notified of shut-in during work.

6.  Customers may experience pressure fluctuations, but no capacity impact is anticipated.

7.  Based upon customer nominations, restrictions may become necessary.

8.  Based on all available information, capacity will be impacted.  Capacity reductions will be done in accordance with the provisions of MRT's tariff regarding scheduling and interruption of services.