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Weekly Working Gas in Underground Storage
(Billion Cubic Feet)
Period:
 Weekly 
Region
07/25/25 08/01/25 08/08/25 08/15/25 08/22/25 08/29/25 View
History
Total Lower 48 States
3,123 3,130 3,186 3,199 3,217 3,272 2010-2025
East
651 656 677 690 707 735 2010-2025
Midwest
765 775 796 812 832 860 2010-2025
Mountain
243 249 253 255 254 254 2010-2025
Pacific
302 305 305 301 298 294 2010-2025
South Central
1,162 1,145 1,154 1,141 1,125 1,129 2010-2025
Salt
316 296 295 282 272 273 2010-2025
Nonsalt
846 849 859 859 853 856 2010-2025
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: This table tracks U.S. natural gas inventories held in underground storage facilities. The weekly stocks generally are the volumes of working gas as of the report date. Changes in reported stock levels reflect all events affecting working gas in storage, including injections, withdrawals, and reclassifications between base and working gas, including information on estimated measures of sampling variability for the most current published estimates of weekly stocks and their net changes.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 9/4/2025
Next Release Date: 9/11/2025