Summary
Working gas in storage was 2,758 Bcf as of Friday, July 29, 2011, according to EIA estimates. This represents a net increase of 44 Bcf from the previous week. Stocks were 186 Bcf less than last year at this time and 68 Bcf below the 5-year average of 2,826 Bcf. In the East Region, stocks were 124 Bcf below the 5-year average following net injections of 42 Bcf. Stocks in the Producing Region were 69 Bcf above the 5-year average of 913 Bcf after a net withdrawal of 5 Bcf. Stocks in the West Region were 13 Bcf below the 5-year average after a net addition of 7 Bcf. At 2,758 Bcf, total working gas is within the 5-year historical range.

 http://ir.eia.gov/ngs/ngs.html