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Underground Natural Gas Storage by All Operators
(Million Cubic Feet)
Data Series: Period:
 Monthly 
 Show Data By:
Data Series Area
Feb-25 Mar-25 Apr-25 May-25 Jun-25 Jul-25 View
History
U.S.
1,789,619 1,835,868 2,140,957 2,636,593 2,990,134 3,144,485 1973-2025
Alaska
24,677 24,513 25,098 26,650 28,498 30,873 2013-2025
Lower 48 States
1,764,943 1,811,355 2,115,859 2,609,944 2,961,636 3,113,612 2011-2025
Alabama
12,917 20,437 24,423 26,853 23,699 17,273 1995-2025
Arkansas
1,244 580 1,050 1,964 2,897 3,898 1990-2025
California
181,576 186,111 206,597 230,808 250,910 264,578 1990-2025
Colorado
36,366 37,281 36,304 41,194 46,472 51,250 1990-2025
Illinois
93,993 74,377 75,226 93,300 120,513 142,728 1990-2025
Indiana
11,361 9,627 10,110 12,165 14,231 16,693 1990-2025
Iowa
30,039 24,985 24,414 28,556 33,142 33,318 1990-2025
Kansas
55,867 53,398 53,016 62,965 77,733 86,855 1990-2025
Kentucky
39,858 46,690 60,077 79,100 81,829 80,976 1990-2025
Louisiana
160,970 194,936 233,107 281,128 305,182 308,253 1990-2025
Maryland
7,719 7,486 8,509 11,716 13,446 12,754 1990-2025
Michigan
213,509 204,750 270,248 363,462 437,217 488,297 1990-2025
Minnesota
1,220 928 520 462 507 879 1990-2025
Mississippi
69,911 95,255 115,781 126,806 121,481 105,444 1990-2025
Missouri
1,743 2,184 2,261 2,265 2,255 2,261 1990-2025
Montana
19,013 14,063 14,731 18,440 22,154 26,534 1990-2025
Nebraska
7,966 8,093 8,496 9,528 10,679 10,965 1990-2025
New Mexico
33,920 36,264 36,359 37,136 36,633 37,179 1990-2025
New York
44,919 42,090 48,830 62,910 72,481 74,867 1990-2025
Ohio
76,227 56,768 63,214 88,337 110,752 129,945 1990-2025
Oklahoma
78,156 85,232 105,460 133,071 153,862 155,483 1990-2025
Oregon
6,546 6,434 7,646 12,265 17,409 19,183 1990-2025
Pennsylvania
132,254 126,799 156,008 216,963 259,612 267,889 1990-2025
Tennessee
1,401 1,391 1,391 1,411 1,486 1,578 1997-2025
Texas
283,718 327,881 369,595 418,767 454,573 460,997 1990-2025
Utah
21,901 21,266 26,623 35,717 42,441 47,748 1990-2025
Virginia
3,567 3,549 3,872 4,141 4,346 4,492 1997-2025
Washington
11,189 12,639 16,308 18,176 20,459 21,424 1990-2025
West Virginia
74,096 57,059 77,273 123,424 149,689 163,889 1990-2025
Wyoming
51,777 52,801 58,409 66,912 73,543 75,982 1990-2025
AGA Producing Region
            1994-2014
AGA Eastern Consuming Region
            1994-2014
AGA Western Consuming Region
            1994-2014
East Region
338,784 293,751 357,706 507,492 610,327 653,837 2013-2025
South Central Region
662,781 777,719 902,432 1,051,554 1,139,427 1,138,203 2013-2025
Midwest Region
393,124 364,933 444,248 580,722 691,181 766,730 2013-2025
Mountain Region
170,943 169,769 180,923 208,927 231,923 249,658 2013-2025
Pacific Region
199,311 205,184 230,551 261,249 288,778 305,185 2013-2025
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Change in Working Gas from Same Period, Previous Year, includes data for Alaska which had no working gas recorded for periods prior to January 2013.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 9/30/2025
Next Release Date: 10/31/2025