Records of Ground-Water Recharge and Discharge for the Edwards Aquifer in the San Antonio Area, Texas, 1934-77
|Author||Maclay RW and Rappmund RA (US Geological Survey)|
|Description||Annual report for 1977 on recharge and discharge from the Edwards Aquifer issued by the Edwards Underground Water District|
|Report Number||Bulletin 37|
|Publisher||Edwards Underground Water District|
|Location||Edwards Aquifer Balcones Fault Zone San Antonio Segment|
The average annual ground-water recharge to the Edwards aquifer in the San Antonio area, Texas, from 1934 through 1977 was about 589,200 acre-feet. A maximum annual recharge of 1,711,200 acre-feet occurred in 1958, and a minimum annual recharge of 43,700 acre-feet occurred in 1956.
A maximum annual discharge of 960,900 acre-feet occurred in 1977, and a minimum annual discharge of 388,800 acre-feet occurred in 1955. The maximum annual discharge by wells was 406,800 acre-feet in 1971.