2016 Discharge Report

(Table 4. continued)

Domestic/ Stock

Industrial/ Commercial

Year 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

Irrigation Municipal

Springs

77.4 a/b

253.0 266.5 273.3 261.3 245.9 228.4 237.2 220.3 255.1 259.1 236.0 273.6 247.5 259.9 265.5 257.9 239.5 220.1 247.2 232.6

12.3 13.4 13.4 13.4 13.4 13.6 13.7 13.8 13.8 13.8 13.8

34.4 41.7 b 42.4 33.8 29.4 32.3 31.7 28.1 34.3 34.5 27.6 28.8 25.7 26.4 23.6 22.6 26.3 22.8 21.9 24.0

383.9 464.1 456.1 337.5 529.4 609.9 621.5 622.9 647.1 312.0 620.6 417.1 288.0 490.0 265.2 302.3 232.8 195.4 404.5 545.0

131.9 a 113.6 106.3

79.0 97.1 79.6 55.4 85.3

149.1

42.5

112.7 108.9

13.5 ** 13.6 ** 13.6 ** 13.6 ** 13.7 ** 13.7 ** 13.9 ** 13.9 ** 14.0**

72.7

124.9

90.6 76.3 75.3 42.2 54.7

For period of record 1955–2016: Median 96.0

236.3 215.0

13.6**` 13.4**

22.8 24.9

379.9 389.8

Mean

102.4

For period of record 2007–2016 (last ten years): Median 75.8 247.4

13.7 13.7

24.9 25.0

353.4 376.1

Mean

80.1

248.0

Data source: USGS unpublished report and Edwards Aquifer Authority files (2016). a = Includes estimates from Atascosa County discharge by Edwards Aquifer users. b = Includes estimates from Guadalupe County discharge by Edwards Aquifer users. * = In 1995 USGS revised the method of calculating domestic/livestock pumpage, which significantly decreased the estimates for 1995 and 1996. ** = Revision based on number of new wells permitted annually and discontinuation of Kinney County estimates in total. Differences in totals may occur as a result of rounding.