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IN THIS SECTION:
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About the Edwards Aquifer
Advanced Statistics Search
Water Statistics Book
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Official Aquifer Level & Statistics
Official Edwards level (J-17 Bexar index well) readings are updated on this page between 9:30 a.m. and noon, Monday through Friday. Below you can also find precipitation and temperature information, other index well readings and springflow data. For more information, visit the Edwards Aquifer Authority Web site at www.edwardsaquifer.org, or call (210) 222-2204.
Water Use Statistics
In addition to statistics about the Edwards Aquifer, the chart below also shows how much water is produced each day by SAWS for consumption or storage. This includes water produced from all available sources, including the Edwards Aquifer.
Advanced Statistics Search
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30 Day Aquifer Stats Summary
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|
Date
|
Total Pumpage
(mg)*
|
Precip |
High Temp |
Level Bexar
(J-17) |
Level Medina |
Level Uvalde |
Springflow Comal
(cfs)** |
Springflow
San Marcos
(cfs)** |
|
3/18
|
|
0.00"
|
|
679.5'
|
|
865.0'
|
|
|
|
3/17
|
160.8
|
0.00"
|
73°
|
679.3'
|
|
864.9'
|
364.0
|
270.0
|
|
3/16
|
159.6
|
0.15"
|
63°
|
679.2'
|
718.4'
|
864.9'
|
366.0
|
272.0
|
|
3/15
|
167.5
|
0.39"
|
71°
|
679.3'
|
718.6'
|
864.8'
|
364.0
|
268.0
|
|
3/14
|
156.5
|
0.00"
|
79°
|
679.8'
|
719.2'
|
864.8'
|
367.0
|
269.0
|
|
3/13
|
157.2
|
0.00"
|
78°
|
679.8'
|
719.2'
|
864.8'
|
368.0
|
269.0
|
|
3/12
|
162.7
|
0.00"
|
73°
|
679.7'
|
719.3'
|
864.7'
|
369.0
|
269.0
|
|
3/11
|
163.0
|
0.00"
|
78°
|
680.1'
|
719.7'
|
864.7'
|
370.0
|
269.0
|
|
3/10
|
169.9
|
0.00"
|
81°
|
680.4'
|
719.9'
|
864.7'
|
370.0
|
273.0
|
|
3/9
|
164.5
|
0.01"
|
78°
|
680.6'
|
719.9'
|
864.5'
|
370.0
|
273.0
|
|
3/8
|
161.6
|
0.17"
|
70°
|
680.5'
|
719.9'
|
864.5'
|
370.0
|
271.0
|
|
3/7
|
160.3
|
0.22"
|
63°
|
680.8'
|
719.7'
|
864.5'
|
370.0
|
268.0
|
|
3/6
|
162.1
|
0.00"
|
66°
|
680.8'
|
719.7'
|
864.4'
|
371.0
|
267.0
|
|
3/5
|
157.9
|
0.00"
|
62°
|
680.9'
|
719.7'
|
864.3'
|
373.0
|
265.0
|
|
3/4
|
167.3
|
0.00"
|
69°
|
681.2'
|
720.1'
|
864.3'
|
373.0
|
264.0
|
|
3/3
|
162.5
|
0.00"
|
68°
|
681.7'
|
720.2'
|
864.2'
|
374.0
|
263.0
|
|
3/2
|
148.9
|
0.00"
|
63°
|
682.4'
|
720.2'
|
864.2'
|
371.0
|
262.0
|
|
3/1
|
130.9
|
0.28"
|
62°
|
682.5'
|
720.4'
|
864.1'
|
370.0
|
267.0
|
|
2/28
|
135.6
|
0.17"
|
67°
|
682.5'
|
720.5'
|
864.1'
|
363.0
|
272.0
|
|
2/27
|
130.1
|
0.00"
|
69°
|
682.5'
|
720.2'
|
864.0'
|
363.0
|
271.0
|
|
2/26
|
129.1
|
0.00"
|
64°
|
682.6'
|
720.3'
|
863.9'
|
361.0
|
271.0
|
|
2/25
|
138.8
|
0.00"
|
65°
|
682.5'
|
720.3'
|
863.9'
|
362.0
|
271.0
|
|
2/24
|
133.3
|
0.00"
|
59°
|
682.5'
|
719.9'
|
863.8'
|
361.0
|
268.0
|
|
2/23
|
128.5
|
0.21"
|
42°
|
682.3'
|
720.1'
|
863.8'
|
362.0
|
268.0
|
|
2/22
|
138.6
|
0.00"
|
61°
|
682.3'
|
720.1'
|
863.7'
|
362.0
|
267.0
|
|
2/21
|
127.4
|
0.01"
|
79°
|
682.5'
|
720.2'
|
863.6'
|
363.0
|
267.0
|
|
2/20
|
123.8
|
0.00"
|
66°
|
682.1'
|
720.0'
|
863.6'
|
363.0
|
266.0
|
|
2/19
|
138.2
|
0.00"
|
59°
|
681.5'
|
719.9'
|
683.5'
|
364.0
|
264.0
|
|
2/18
|
163.0
|
0.00"
|
64°
|
681.4'
|
719.8'
|
863.4'
|
363.0
|
263.0
|
|
2/17
|
156.6
|
0.00"
|
62°
|
681.3'
|
719.7'
|
863.4'
|
363.0
|
252.0
|
|
*
|
mg
|
=
|
million gallons
|
|
†
|
mgd
|
=
|
million gallons per day
|
|
**
|
cfs
|
=
|
cubic feet per second
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Level Bexar (J-17) - 1 Year Summary
March 19, 2009 - March 18, 2010
|
|
| 2010 Statistics
Summary |
| Pumpage
to Date: |
11,789.58 mg |
| Average
Daily Pumpage: |
153.11 mg |
| Rainfall
to Date: |
10.05" |
| Normal
Year to Date: |
4.69" |
| Departure
from Normal: |
5.36" |
Minimum
Comal Springflow:
(1/11/10) |
309 cfs |
Maximum
Comal Springflow:
(3/3/10) |
374 cfs |
Minimum
Edwards Level:
(1/13/10) |
667.8' |
Maximum
Edwards Level:
(2/26/10) |
682.6' |
| Historic |
Minimum Edwards Level
(08/17/56) |
612.5' |
Maximum Edwards Level
(06/14/92) |
703.3' |
DISCLAIMER
The daily pumpage summary is provisional un-audited raw data. SAWS reserves the right to make retroactive changes as system and operational situations are discovered and resolved. If you are interested in official data please contact SAWS Production department. Official data is available by the end of January for the prior year. For example, January 31, 2011 is the earliest official data for the 2010 year is available.
The Level Bexar (J-17), Level Medina, Level Uvalde, Springflow Comal and Springflow San Marcos are provisional un-audited raw data. SAWS reserves the right to make retroactive changes as corrections to the data are posted by the Edwards Aquifer Authority. If you are interested in official data please contact the Edwards Aquifer Authority.
This information maintained by Elliott Fry, 210-233-3657, efry@saws.org.
To request official data, please contact Anastasia Valdes at 210-233-3788.
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