-Restrictions to Primary In-Path transportation services may be necessary.
SNG - Outage Impact Report
-Restrictions to In-Path transportation services may be necessary.
Seven Day Forecast (updated 04/09/26)
-Restrictions to Interruptible and Out of Path transportation services may be necessary.
-No anticipated impact to transportation services.
Station / Seg
Est Nominal Design Capacity (Thousand Dth)
Monday (4/13)
Tuesday (4/14)
Wednesday (4/15)
Thursday (4/16)
Friday (4/17)
Saturday (4/18)
Sunday (4/19)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Onward (segment 30)
203
Duncanville Lateral (segment 90)
36
Bessemer Calera (segment 120)
100
82
(18)
Bessemer Calera Line north of Helena Regulator: Scheduled Pipeline Maintenance Proj-SNG-38163(PT) (4/1/2026 - 5/9/2026)
Tarrant (segment 130
563
543
(20)
Tarrant Compressor Station: Scheduled Unit Maintenance Proj-415212 (3/9/2026 - 4/19/2026)
Dearmanville (segment 150)
346
171
(175)
Dearmanville Compressor Station: Scheduled Pipeline Maintenance(PT) Proj-SNG-15344 (4/8/2026 - 4/17/2026)
Dearmanville Compressor Station: Scheduled Pipeline Maintenance(PT) Proj-SNG-15344(HS) (3/30/2026 - 4/17/2026)
White Castle (segment 340)
760
Sesh (segment 380)
507
447
(60)
SESH: Pigging--4-16-26 to 4-17-26 (M) (4/16/2026 - 4/17/2026)
SESH: Scheduled Maintenance (M) (4/16/2026 - 4/17/2026)
Gwinville (segment 400)
234
200
(34)
Gwinville Compressor Station: Scheduled Unit Maintenance Proj-52112 (4/6/2026 - 4/19/2026)
Bay Springs (segment 420)
1,677
1597
(80)
Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (7/8/2025 - 10/31/2026)
Enterprise (segment 430)
2,306
2236
(70)
Enterprise Compressor Station: Scheduled Unit Maintenance Proj-522212 (3/16/2026 - 5/15/2026)
Selma (segment 460)
2,293
2128
(165)
Selma Compressor Station: Unscheduled Unit Maintenance Proj-52301 (12/22/2025 - 5/31/2026)
Ellerslie (segment 490)
1,547
South Atlanta (segment 510)
522
Thomaston East (segment 530)
849
Ocmulgee (segment 530)
804
659
(145)
Ocmulgee Compressor Station: Scheduled Unit Maintenance Proj-52775 (4/6/2026 - 5/24/2026)
South Georgia (segment 650)
127
Holy Trinity (segment 655)
(27)
Holy Trinity Compressor Station: Scheduled Unit Maintenance Proj-58051-2 (3/23/2026 - 4/17/2026)
This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.
Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report. The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.
April 2026 (updated 04/09/26)
Week 1 (3/30 - 4/5)
Week 2 (4/6 - 4/12)
Week 3 (4/13 - 4/19)
Week 4 (4/20 - 4/26)
Week 5 (4/27 - 5/3)
Primary Outage(s)
Bessemer Calera Line north of Helena Regulator: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (4/1/2026 - 5/9/2026)
Gwinville Compressor Station: Scheduled Unit Maintenance, Proj-52112 (4/20/2026 - 5/3/2026)
Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 10/31/2026)
2181
(125)
2191
(115)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (3/16/2026 - 5/15/2026) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-5222-14-15 (4/20/2026 - 4/23/2026) South Main 2nd loop line east of Enterprise: Scheduled Pipeline Maintenance,
Proj-SNG-8792 (4/24/2026 - 5/3/2026)
York (segment 440)
2,305
2010
(295)
York Compressor Station: Scheduled Unit Maintenance, Proj-52303 (4/24/2026)
Gallion (Segment 440)
2,300
1965
(335)
2145
(155)
Gallion Compressor Station: Scheduled Unit Maintenance , Proj-523610 (4/23/2026) Gallion Compressor Station: Scheduled Unit Maintenance, Proj-52369 (4/27/2026 - 5/10/2026)
South Main loop line east of Gallion: Scheduled Pipeline Maintenance(remediation), Proj-SNG-22002 (4/27/2026 - 5/1/2026)
1973
(320)
Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (4/22/2026)
Selma Compressor Station: Unscheduled Unit Maintenance, Proj-52301 (12/22/2025 - 5/31/2026)
Elmore (segment 460)
2,010
1755
(255)
Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (4/21/2026)
Auburn (segment 460)
1,953
1693
(260)
Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (4/20/2026)
Ocmulgee Compressor Station: Scheduled Unit Maintenance, Proj-52775 (4/6/2026 - 5/24/2026)
Hall Gate (segment 560)
705
635
Hall Gate Compressor Station: Scheduled Unit Maintenance, Proj-52833 (4/20/2026 - 5/24/2026)
East/South Wrens (segment 560)
680
590
(90)
Wrens Compressor Station: Scheduled Unit Maintenance, Proj-52881-2-3 (4/20/2026 - 4/21/2026) Wrens Compressor Station: Scheduled Unit Maintenance, Proj-52884 (4/21/2026 - 4/22/2026) Wrens Compressor Station: Scheduled Unit Maintenance, Proj-52885 (4/23/2026 - 4/24/2026)
May 2026 (updated 04/09/26)
Week 1 (5/4 - 5/10)
Week 2 (5/11 - 5/17)
Week 3 (5/18 - 5/24)
Week 4 (5/25 - 5/31)
Helena Regulator (segment 120)
21
18
(3)
Bessemer Calera Line south of Helena Regulator: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (M) (5/16/2026 - 6/25/2026)
500
407
(93)
451
(49)
448
(52)
SESH: Scheduled Maintenance (M) (5/11/2026) SESH: Scheduled Maintenance (M) (5/12/2026) SESH: Scheduled Maintenance (M) (5/17/2026)
SESH: Scheduled Maintenance (M) (5/18/2026 - 5/22/2026) SESH: Scheduled Maintenance (M) (5/23/2026) SESH: Scheduled Maintenance (M) (5/4/2026)
SESH: Scheduled Maintenance (M) (5/5/2026) SESH: Scheduled Maintenance (M) (5/6/2026)
1,675
1595
2126
(180)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (3/16/2026 - 5/15/2026) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522215 (5/18/2026 - 6/21/2026)
2080
(225)
2235
South Main 2nd loop line east of York: Scheduled Pipeline Maintenance, Proj-SNG-36214 (5/25/2026 - 5/31/2026)
York Compressor Station: Scheduled Unit Maintenance, Proj-52303 (5/21/2026 - 5/23/2026)
2210
2255
(45)
Gallion Compressor Station: Scheduled Unit Maintenance, Proj-52368 (5/11/2026 - 5/21/2026) Gallion Compressor Station: Scheduled Unit Maintenance, Proj-52369 (4/27/2026 - 5/10/2026) South Main line east of Gallion: Scheduled Pipeline Maintenance(remediation),
Proj-SNG-19219(1) (5/4/2026 - 5/6/2026)
South Main line west of Selma: Scheduled Pipeline Maintenance(remediation), Proj-SNG-19219(2) (5/7/2026 - 5/12/2026)
2003
(290)
Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (5/18/2026 - 5/20/2026) Selma Compressor Station: Unscheduled Unit Maintenance, Proj-52301 (12/22/2025 - 5/31/2026)
1915
(95)
Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (5/14/2026 - 5/16/2026) Elmore Compressor Station: Scheduled Unit Maintenance, Proj-5251B (5/4/2026 - 5/8/2026)
1698
1738
(215)
1848
(105)
Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (5/11/2026 - 5/13/2026) South Main loop line east of Auburn: Scheduled Pipeline Maintenance(remediation),
Proj-SNG-20457(1) (5/18/2026 - 5/22/2026)
South Main loop line east of Auburn: Scheduled Pipeline Maintenance(remediation), Proj-SNG-20457(2) (5/23/2026 - 5/29/2026)
1402
Ellerslie Compressor Station: Scheduled Unit Maintenance , Proj-52678-9 (5/18/2026 - 5/21/2026)
Thomaston West (segment 490)
1,535
1520
(15)
Thomaston Compressor Station: Scheudled Unit Maintenance, Proj-52722 (5/11/2026 - 6/4/2026)
Thomaston East
(segment 530)
Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.
The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.
June 2026 (updated 04/09/26)
Week 1 (6/1 - 6/7)
Week 2 (6/8 - 6/14)
Week 3 (6/15 - 6/21)
Week 4 (6/22 - 6/28)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522215 (5/18/2026 - 6/21/2026)
1793
(160)
South Main loop line east of Auburn: Scheduled Pipeline Maintenance(remediation), Proj-SNG-22003(1) (6/1/2026 - 6/9/2026)
South Main loop line east of Auburn: Scheduled Pipeline Maintenance(remediation), Proj-SNG-22003(2) (6/10/2026 - 6/14/2026)
July 2026 (updated 04/09/26)
Week 1 (6/29 - 7/5)
Week 2 (7/6 - 7/12)
Week 3 (7/13 - 7/19)
Week 4 (7/20 - 7/26)
Week 5 (7/27 - 8/2)
Bessemer Calera loop line south of Helena Regulator: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (M) (7/1/2026 - 8/14/2026)
Tarrant (segment 130)
Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-41527-8-9-10-11 (7/6/2026 - 9/13/2026)
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