2018-Discharge-Report

Table 2. Estimated Spring Discharge from the Edwards Aquifer, 2018 (measured in acre-feet)

Leona Springs and Leona River Un- derflow

Total Monthly Discharge from Springs

San Pedro Springs

San An- tonio Springs

San Marcos Springs

Comal Springs

Hueco Springs

Month

January February

2,030 1,880 1,770 1,440 1,230

187 190 195 198 101 0.82 8.86 350 721 808 815 0

0 0 0 0 0 0 0 0

18,700 16,400 17,900 17,400 16,500 12,600 13,300 11,100 15,100 21,000 21,600 23,200

1,130

10,200

32,200 28,400 30,900 31,700 29,600 22,600 24,100 20,000 30,400 43,200 47,700 52,100

865

9,110 9,860

March

1,320 1,830 1,060

April May June

10,800 10,700

666 497 512 954

799

8,520 9,120 7,920 8,950

July

1,180

August

419

September

426

4,590 5,420 4,620 4,920

October

1,560 2,140 2,720

2,840 5,520 5,880

11,600 13,000 14,600

November December

Total

17,400 3,570 14,700 205,000 28,200 124,000

393,000

Data source: USGS unpublished report (2019). Differences in totals may occur due to rounding.

Table 3. Comprehensive Discharge Summary for Calendar Year 2018 (in acre-feet) Reported Use (permitted wells) Unreported Use

Domestic or Live- stock*

Non- Reporting Facilities*

Spring Dis- charge

Total Wells and Springs

Irriga- tion Municipal Industrial

Total Well Discharge

County Atascosa

1,413 4,483

0

0

0 0

1,413

0

1,413

Bexar Comal Guada- lupe

223,761

15,173

8,922

5,089

257,429 10,657

18,270 233,200

275,699 243,857

55

7,718

2,468

416 0

0

6

169

0 0

175

0

175

Hays

109

3,820 6,536 3,251

1,271 2,884

886

279

6,366

124,000

130,366 41,984 69,947 763,570

Medina Uvalde

31,387 46,503 83,951

1,176 0

41,984 52,547

0

133

2,659

0

17,400

Totals

245,093

22,098

14,059

5368

370,570

393,000

* Federal facilities and domestic and livestock wells do not report annual use (non-reporting); quantities estimated. Differences in totals may occur due to rounding.

8 | 2018 RECHARGE REPORT