-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 03/12/26)
-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 (3/16)
Tuesday (3/17)
Wednesday (3/18)
Thursday (3/19)
Friday (3/20)
Saturday (3/21)
Sunday (3/22)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Onward (segment 30)
209
Duncanville Lateral (segment 90)
36
Tarrant (segment 130
539
519
(20)
Tarrant Compressor Station: Scheduled Unit Maintenance Proj-415212 (3/9/2026 - 4/12/2026)
Dearmanville (segment 150)
355
Bell Mills North (Segment 170)
231
206
(25)
Bell Mills Compressor Station: Unscheduled Unit Outage Proj-45001 (3/12/2026 - 3/22/2026)
White Castle (segment 340)
798
LA West Leg (segment 350)
733
(65)
Franklinton Compressor Station: Scheduled Unit Maintenance Proj-512216 (3/9/2026 - 3/29/2026)
Sesh (segment 380)
506
434
(72)
SESH: Scheduled Maintenance (M) (3/17/2026 - 3/22/2026)
Gwinville (segment 400)
234
190
(44)
Gwinville Compressor Station: Scheduled Unit Maintenance Proj-5211-1-3 (3/2/2026 - 3/22/2026)
Bay Springs (segment 420)
1,887
1647
(240)
Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (7/8/2025 - 3/31/2026)
Enterprise (segment 430)
2,450
2400
(50)
Enterprise Compressor Station: Scheduled Unit Maintenance Proj-522212 (3/16/2026 - 3/31/2026)
Selma (segment 460)
2,435
2335
(100)
Selma Compressor Station: Unscheduled Unit Maintenance Proj-52451 (12/22/2025 - 3/31/2026)
Ellerslie (segment 490)
1,663
1513
(150)
Ellerslie Compressor Station: Unscheduled Unit Outage Proj-52678 (12/7/2025 - 3/29/2026)
South Atlanta (segment 510)
537
Thomaston East (segment 530)
900
South Georgia (segment 650)
143
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.
March 2026 (updated 03/12/26)
Week 1 (3/2 - 3/8)
Week 2 (3/9 - 3/15)
Week 3 (3/16 - 3/22)
Week 4 (3/23 - 3/29)
Primary Outage(s)
Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415212 (3/9/2026 - 4/12/2026)
Tarrant (segment 130)
Franklinton Compressor Station: Scheduled Unit Maintenance,
Proj-512216 (3/9/2026 - 3/29/2026)
SESH: Scheduled Maintenance (M) (3/23/2026)
478
(28)
Bay Springs Compressor Station: Scheduled Unit Maintenance,
Proj-52161 (7/8/2025 - 3/31/2026)
Enterprise Compressor Station: Scheduled Unit Maintenance,
Proj-522212 (3/16/2026 - 3/31/2026)
Selma Compressor Station: Scheduled Station Maintenance,
2120
(315)
Proj-52451-2-3 (3/23/2026 - 3/27/2026)
Selma Compressor Station: Unscheduled Unit Maintenance, Proj-52451 (12/22/2025 - 3/31/2026)
Ellerslie Compressor Station: Unscheduled Unit Outage, Proj-52678 (12/7/2025 - 3/29/2026)
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 03/12/26)
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)
203
Bessemer Calera (segment 120)
100
82
(18)
86
(14)
Bessemer Calera Line east of Providence: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (4/1/2026 - 4/15/2026)
Bessemer Calera Line east of Providence: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (5/1/2026 - 6/26/2026)
563
543
346
162
(184)
201
(145)
Dearmanville Compressor Station: Scheduled Pipeline Maintenance(PT), Proj-SNG-15344 (3/30/2026 - 3/31/2026)
Dearmanville Compressor Station: Scheduled Pipeline Maintenance(PT), Proj-SNG-15344(HS) (4/1/2026 - 4/17/2026)
750
500
0
(234)
200
(34)
Gwinville Compressor Station: Scheduled Station Maintenance, Proj-5211 (3/30/2026) Gwinville Compressor Station: Scheduled Unit Maintenance, Proj-52112 (4/20/2026 - 5/3/2026) Gwinville Compressor Station: Scheduled Unit Maintenance, Proj-52112 (4/6/2026 - 4/19/2026)
Gwinville East (segment 410)
1,655
1337
(318)
Gwinville Compressor Station: Scheduled Station Maintenance, Proj-5211 (3/30/2026)
1,677
1437
1597
(80)
Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (4/1/2026 - 10/31/2026)
Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 3/31/2026)
2,306
2236
(70)
2191
(115)
2181
(125)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (3/16/2026 - 3/31/2026)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (4/1/2026 - 5/8/2026) Enterprise Compressor Station: Scheduled Unit Maintenance,
Proj-5222-14-15 (4/20/2026 - 4/23/2026)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-5222-8-9-10 (4/6/2026 - 4/9/2026)
South Main 2nd loop line east of Enterprise: Scheduled Pipeline Maintenance, Proj-SNG-8792 (4/17/2026 - 4/26/2026)
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)
2,293
2128
(165)
1973
(320)
Selma Compressor Station: Scheduled Unit Maintenance, Proj-52301 (4/1/2026 - 5/31/2026) Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (4/22/2026)
Elmore (segment 460)
2,010
1755
(255)
1985
Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (4/21/2026) Elmore Compressor Station: Scheduled Unit Maintenance, Proj-52519 (4/27/2026 - 5/3/2026)
Auburn (segment 460)
1,953
1693
(260)
Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (4/20/2026)
1,547
Thomaston West (segment 490)
1,535
1410
Thomaston Compressor Station: Scheduled Station Maintenance, Proj-5272 (4/29/2026 - 5/1/2026)
522
849
Hall Gate (segment 560)
705
635
Hall Gate Compressor Station: Scheduled Unit Maintenance, Proj-52833 (4/6/2026 - 5/10/2026)
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)
127
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.
May 2026 (updated 03/12/26)
Week 1 (5/4 - 5/10)
Week 2 (5/11 - 5/17)
Week 3 (5/18 - 5/24)
Week 4 (5/25 - 5/31)
1,675
1595
2126
(180)
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-52301 (4/1/2026 - 5/31/2026) Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (5/18/2026 - 5/20/2026)
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)
June 2026 (updated 03/12/26)
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)
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