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About U.S. Natural Gas Pipelines - Transporting Natural Gas           

Regional Underground Natural Gas Storage, Beginning of 2008

  Depleted-Reservoir Storage Aquifer Storage Salt-Cavern Storage Total
Region/ State # of Sites Working Gas Capacity (Bcf) Daily Withdrawal Capability (MMcf) # of Sites Working Gas Capacity (Bcf) Daily Withdrawal Capability (MMcf) # of Sites Working Gas Capacity (Bcf) Daily Withdrawal Capability (MMcf) # of Sites Working Gas Capacity (Bcf) Daily Withdrawal Capability (MMcf)
Central Region      
Colorado        9 44 1,272 0 0 0 0 0 0 9 44 1,272
Iowa 0 0 0 4 77 1,060 0 0 0 4 77 1,060
Kansas             18 116 2,420 0 0 0 1 1 0 19 117 2,420
Missouri 0 0 0 1 11 350 0 0 0 1 11 350
Montana           5 196 300 0 0 0 0 0 0 5 196 300
Nebraska 1 16 169 0 0 0 0 0 0 1 16 169
Utah 1 51 427 2 1 100 0 0 0 3 52 527
Wyoming       7 45 227 1 1 75 0 0 0 8 46 302
    Total Sites 41 468 4,815 8 90 1,585 1 1 0 50 559 6,400
(Marginal Sites)1 (6) (3) (189) (0) (0) (0) (1) (1) (0) (7) (4) (189)
       
Midwest Region      
Illinois               11 52 833 18 256 5,294 0 0 0 29 308 6,129
Indiana            10 14 261 12 20 501 0 0 0 22 34 762
Michigan       43 641 14,606 0 0 0 2 2 85 45 643 14,721
Minnesota 0 0 0 1 2 60 0 0 0 1 2 60
Ohio                24 220 4,692 0 0 0 0 0 0 24 220 4,692
    Total Sites 88 927 20,392 31 278 5,855 2 2 85 121 1,207 26,364
(Marginal Sites)1 (10) (8) (258) (2) (4) (108) (0) (0) (0) (12) (12) (366)
       
Northeast Region      
Maryland 1 17 400 0 0 0 0 0 0 1 17 400
New York       23 116 1,715 0 0 0 1 1 145 24 117 1,860
Pennsylvania   49 406 8,666 0 0 0 0 0 0 49 406 8,666
Virginia 1 1 22 0 0 0 2 4 325 3 5 347
West Virginia   32 251 3,927 0 0 0 0 0 0 32 251 3,927
    Total Sites 106 791 14,730 0 0 0 3 5 470 109 796 15,200
(Marginal Sites)1 (7) (31) (43) (0) (0) (0) (0) (0) (0) (7) (31) (43)
         
Southeast Region         
Alabama 1 8 210 0 0 0 1 7 600 2 15 810
Kentucky       20 89 1,852 3 7 68 0 0 0 23 96 1,920
Mississippi 5 51 1,400 0 0 0 3 32 3,515 8 83 4,915
Tennessee 1 1 20 0 0 0 0 0 0 1 1 20
    Total Sites 27 149 3,482 3 7 68 4 39 4,115 34 105 7,665
(Marginal Sites)1 (4) (2) (24) (0) (0) (0) (0) (0) (0) (4) (2) (24)
       
Southwest Region         
Arkansas 2 15 231 0 0 0 0 0 0 2 15 231
Louisiana   8 286 3,999 0 0 0 5 45 4,153 13 331 8,152
New Mexico    2 54 375 0 0 0 0 0 0 2 54 375
Oklahoma     13 188 3,871 0 0 0 0 0 0 13 188 3,871
Texas           20 365 5,320 0 0 0 14 78 6,581 34 443 11,901
    Total Sites 45 908 13,796 0 0 0 19 122 10,734 64 1,030 24,530
(Marginal Sites)1 (8) (30) (184) (0) (0) (0) (1) (4) (0) (9) (34) (184)
       
Western Region         
California 13 274 6,930 0 0 0 0 0 0 13 274 6,380
Oregon 7 15 553 0 0 0 0 0 0 7 15 553
Washington 0 0 0 1 22 850 0 0 0 1 22 850
    Total Sites 20 289 7,483 1 22 850 0 0 0 21 311 8,333
(Marginal Sites)1 (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0)
       
Total U.S. Sites 327 3,532 64,698 43 397 8,358 29 169 15,404 399 4,098 88,460
(Marginal Sites)1  (35) (74) (698) (2) (4) (108) (2) (5) (0) (39) (83) (806)
 
1Marginal sites: very little or no activity reported during the 2007 calendar year. However, these sites are included in regional and State summary totals.
Note: Bcf = Billion cubic feet.  MMcf = Million cubic feet. Totals may not sum due to independent rounding. 
Source:  Energy Information Administration, GasTran Natural Gas Transportation Information System, Underground Natural Gas Storage Database.