Summary
Working gas in storage was 2,783 Bcf as of Friday, August 5, 2011, according to EIA estimates. This represents a net increase of 25 Bcf from the previous week. Stocks were 197 Bcf less than last year at this time and 80 Bcf below the 5-year average of 2,863 Bcf. In the East Region, stocks were 124 Bcf below the 5-year average following net injections of 38 Bcf. Stocks in the Producing Region were 53 Bcf above the 5-year average of 908 Bcf after a net withdrawal of 21 Bcf. Stocks in the West Region were 9 Bcf below the 5-year average after a net addition of 8 Bcf. At 2,783 Bcf, total working gas is within the 5-year historical range.

http://ir.eia.gov/ngs/ngs.html