2018-Discharge-Report

( Table 1. continued)

Total Wells 542.4 489.4 436.0 327.2 407.3 424.6 399.6 493.6 377.1 453.5 442.7 414.8 367.7 371.3 362.1 317.4 388.5 454.5 319.9 428.6 395.7 372.6 427.7 384.7 355.8 332.2 325.2 325.3 379.2 370.6

Total Springs

Year Uvalde a

Medina

Bexar b

Comal c

Hays

Total

1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018

156.9 118.1 76.6 76.5 107.5 95.5 90.8 117.6 77.0 113.1 104.0 89.1 68.6 76.2 89.4 91.3 107.4 107.5 64.6 102.0 76.9 53.1 79.6 57.6 43.6 41.5 27.1 46.9 63.0 69.9

70.5 69.7 25.6 9.3 17.8 41.1 35.2 66.3 31.4 51.3 49.2 45.1 33.9 40.6 34.8 22.5 37.3 64.9 18.4 48.8 47.3 36.4 57.4 44.3 42.8 43.1 27.6 31.9 43.6 42.0

305.6 276.8 315.5 370.5 371.0 297.7 272.1 286.8 260.2 312.4 307.1 283.6 291.6 311.9 331.7 331.9 366.1 289.5 330.2 320.4 265.2 298.5 277.2 267.5 251.0 230.5 256.3 262.6 305.3 277.1

147.9 171.3 221.9 412.4 349.5 269.8 235.0 150.2 243.3 271.8 295.5 226.1 327.7 350.4 344.7 341.4 349.3 216.7 331.7 266.6 206.6 312.1 187.7 193.4 154.9 114.5 239.8 320.7 294.0 244.0

85.6 94.1 151.0 261.3 151.0 110.6 127.8 84.7 149.2 168.8 143.0 108.4 175.4 202.1 176.3 153.1 175.6 87.9 196.0 108.0 87.8 162.5 91.0 124.2 96.0 97.9 178.8 208.3 166.8 130.4

766.5 730.0 790.6 1130.0 996.7 814.8 761.0 705.6 761.1 917.6 898.8 752.3 890.0 981.2 976.9 940.3 1035.7 766.5 940.9 845.7 683.7 862.6 692.9 687.0 588.6 527.5 729.7 870.3 872.2 763.6

224.1 240.6 354.6 802.8 589.4 390.2 361.3 212.0 383.9 464.1 456.1 337.5 529.6 609.9 621.5 622.9 647.1 312.0 621.0 417.1 287.9 490.0 265.2 302.3 232.8 195.4 404.5 545.0 493.0 393.0

For period of record 1934–2018: Median 68.6 19.4

259.0 235.0 118.5 249.7 228.4 123.3

705.6 699.5

329.4 384.5 316.9 382.7

Mean

71.1

24.2

For last 10 years, 2009–2018: Median 55.4 43.0

266.4 269.1

223.2 212.6

127.3 125.3

711.3 727.8

371.6 366.9

347.7 360.9

Mean

55.9

41.6

Data source: Unpublished USGS and Edwards Aquifer Authority files (2019). a = As of 2008, no longer includes Kinney County discharge; prior years include 1,900 acre-feet of discharge for Kinney County. b = Includes reports of Edwards Aquifer irrigators in Atascosa County. c = Includes reports of Edwards Aquifer industrial and municipal users in Guadalupe County. Differences in totals may occur due to rounding.

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