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Download Data (XLS File)
Iowa Natural Gas in Underground Storage (Base Gas) (Million Cubic Feet)
Iowa Natural Gas in Underground Storage (Base Gas) (Million Cubic Feet)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1990 153,933 153,933 153,933 153,933 153,920 153,919 153,917 153,917 153,916 153,916 153,916 153,916
  1991 154,574 154,574 154,574 154,574 154,574 154,574 154,574 154,574 154,574 154,574 154,574 154,574
  1992 154,574 154,574 154,574 154,161 154,574 154,574 154,574 154,574 154,574 154,574 154,574 154,574
  1993 200,700 199,929 199,482 200,679 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700
  1994 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700
  1995 200,700 200,700 200,564 200,475 200,663 200,700 200,700 200,700 200,700 200,700 200,700 200,700
  1996 200,556 200,460 199,971 198,763 200,024 200,700 200,700 200,700 200,700 200,700 200,700 200,700
  1997 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700 200,700
  1998 200,700 200,700 200,700 200,700 200,700 200,700 241,100 200,700 200,700 200,700 200,700 200,700
  1999 200,700 200,700 200,300 200,300 200,300 200,300 200,300 200,300 200,300 200,700 200,700 200,700
  2000 200,700 200,700 196,700 196,700 196,700 196,700 196,700 196,700 196,700 196,700 196,700 198,700
  2001 198,700 196,198 194,215 197,715 197,715 197,715 197,715 197,715 197,715 197,715 197,715 197,715
  2002 197,715 201,750 201,750 201,750 201,750 201,750 201,750 201,750 201,750 201,750 201,750 201,750
  2003 201,750 201,750 199,550 199,550 199,550 199,550 199,550 199,550 199,550 199,550 199,550 199,550
  2004 199,550 199,550 199,550 199,486 199,286 199,286 199,286 199,286 199,286 199,286 197,986 197,986
  2005 197,986 197,986 197,986 197,986 197,986 197,986 197,986 197,986 197,986 197,986 197,986 197,986
  2006 197,986 198,046 198,046 198,046 198,046 198,046 198,046 198,046 198,046 198,046 198,046 198,046
  2007 198,046 198,046 198,046 198,046 198,046 198,046 198,046 198,046 198,046 198,046 198,046 198,046
  2008 198,046 198,046 196,846 196,846 196,846 196,846 196,846 196,846 196,846 196,846 196,846 196,846
  2009 196,846 196,846 196,846 196,846 196,846 196,846 196,846 196,846 196,846 196,846 196,846 196,846
  2010 196,846 196,846 196,947 196,947 197,022 197,097 197,172 197,247 197,322 197,397 197,397 197,397
  2011 197,397 197,397 197,397 197,397 197,397 197,397 197,397 197,397 197,397 197,097 197,097 197,097
  2012 197,097 197,097 197,097 197,363 197,630 197,897 197,897 197,897 197,897 197,897 197,897 197,897
  2013 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897
  2014 197,897 197,897 197,897 197,823 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897
  2015 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897
  2016 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897
  2017 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897
  2018 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,897 197,881 197,881 197,881
  2019 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881
  2020 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881
  2021 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881
  2022 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881
  2023 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881
  2024 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881 197,881
  2025 197,881 197,881 197,881 197,881 197,881 197,881 197,881

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/30/2025
Next Release Date: 10/31/2025

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