2019 Discharge Report

Table 2. Estimated Spring Discharge from the Edwards Aquifer in 2019 (measured in acre-feet)

Leona Springs and Leona River Underflow

Total Monthly Discharge from Springs

San Pedro Springs

San Antonio Springs

San Marcos Springs 15,700 13,800 14,700 14,200 16,700 15,600 14,000 13,100 11,500 11,000 10,600 10,200 161,000

Comal Springs 23,600 21,100 23,300 21,500 23,300 22,100 21,300 18,400 18,000 18,200 19,400 19,300

Hueco Springs 5,020 4,180 4,780 4,480 5,570 4,440 4,290 3,330 2,600 2,180 1,610 1,270

Month

January February March

3,050 2,900 3,000 2,810 3,060 2,830 2,540 2,010 2,280 2,470 2,600 2,660

901 783 758 605 740 659 620 246 191 282 400 357

6,500 5,130 4,640 3,180 4,530 3,590 3,180 57.2

54,800 47,900 51,200 46,800 53,900 49,200 45,900 37,100 34,600 34,300 35,400 34,500 526,000

April May June July

August

September October November December

0

160 819 682

Total

32,200

6,540

32,500

249,000 43,800

Data source: USGS letter report dated April 10, 2020. Totals might not equal sum of discharge values because of rounding to three significant figures.

Table 3. Comprehensive Discharge Summary for Calendar Year 2019 (in acre-feet) Reported Use (permitted wells) Unreported Use

Domestic, Livestock, and Limited Pumping*

Total Well Discharge

Total Wells and Springs

Federal Facilities*

Spring Discharge

County Atascosa

Irrigation Municipal Industrial

1,212 4,350

0

0

0 0

1,212

0

1,212

Bexar Comal

218,856

14,366 4,336

8,979

5,100

251,651 13,304 6,640 40,941 44,615 358,588 225

39,040 292,800

290,691 306,104 167,640 40,941 76,815 884,588 225

58

8,476

434 0 1 0

Guadalupe

0

11

213

0

Hays

147

4,027 7,152 2,966

1,271 3,516

901

294

161,000

Medina Uvalde Totals

29,086 38,876 73,728

1,187 0

0

101

2,672 14,174

0

32,200 526,000

241,489

23,803

5394

* Federal facilities and domestic and livestock wells are not required to report annual use; these quantities are estimated. Differences in totals may occur due to rounding.