What does the J-17 test well indicate?
What does the J-17 test well indicate?
The level of the J-17 well has ranged from 612 feet during the 1950’s drought to 703 feet after historic rains in 1991 and 1992. There is much confusion about what the reported Aquifer level means. The number is simply an indication of relative pressure being exerted on water at the location of the test well.
What is highest Edwards Aquifer level?
The continuous rainfall throughout the month has brought the Edwards Aquifer Authority index well at Fort Sam Houston to 698.4 feet above mean sea level as of July 27. This is the highest level on record for the month of July and is about five feet away from the all-time record of 703.3 feet in June 1992.
What is the level of Edwards Aquifer?
Water level data are critical for EAA’s management of the San Antonio Pool and the Uvalde Pool of the Edwards Aquifer. Water levels are measured around the clock using different devices in monitoring wells throughout the aquifer….Today’s Current Readings.
| Date | Time | Level |
|---|---|---|
| 10 Nov 2021 | 12:00 am | 666.35 |
Who controls the Edwards Aquifer?
Five groups of stakeholders have played significant roles in shaping the use and conservation of the aquifer, including the Edwards Aquifer Authority (EAA), New Braunfels, San Marcos, San Antonio, and Texas State University.
How long does an aquifer last?
Once depleted, the aquifer will take over 6,000 years to replenish naturally through rainfall. The aquifer system supplies drinking water to 82% of the 2.3 million people (1990 census) who live within the boundaries of the High Plains study area.
Where is the J 17 well located?
Measuring the Edwards Aquifer The J-17 index well is located in the small building at the base of the large water tower near the national cemetery at Fort Sam Houston in San Antonio.
Which US state has the largest aquifer?
The Ogallala Aquifer is the largest aquifer in the United States. It is part of the High Plains aquifer system, which underlies parts of eight states from Texas to South Dakota.
Where is the Edwards Aquifer located?
South Texas
The Edwards Aquifer is an artesian aquifer located in Central/South Texas. From the western-most reaches of our region in Uvalde County to points east in Hays County and many places in between, the Edwards Aquifer is the natural water resource that supports approximately 2 million people.
How can we protect the Edwards Aquifer?
While rules are in place to regulate development and pollution, the best way to protect the aquifer is to conserve the sensitive and irreplaceable land located over its recharge and contributing zones.
How far underground is the Ogallala Aquifer?
The depth to the water table of the Ogallala Aquifer varies from actual surface discharge to over 150 meters (500 feet). Generally, the aquifer is found from 15 to 90 meters (50 to 300 feet) below the land surface. The saturated thickness also varies greatly.
What feeds the Ogallala Aquifer?
It is an unconfined aquifer that is recharged almost exclusively by rainwater and snowmelt, but given the semiarid climate of the High Plains, recharge is minimal.
How often can I water my EAA J17 well?
Check with NBU for a daily water reading in and around EAA J17 Well. Watering with a sprinkler or irrigation system is allowed two days per week based on the last digit of the address.
What is the history of J-17?
In one of these numbering systems, the part of Bexar county where J-17 is located was lettered J and it was the 17th well they happened to give a number to. It then became commonly identified in reports and studies as J-17. Then in about 1973 the media started consistently referring to J-17 in reporting well levels.
What is the J-17 in Bexar County?
Each county has a two-letter prefix and Bexar county is AY. So the J-17 is AY-68-37-203. With this system and with a little experience, one can look at any well number and get a real good idea of where it is in the state.
How do you get the water out of J-17?
To get water out of J-17, it would have to be pumped. The land surface at the top of the J-17 well is at 730.8 feet above sea level, and the downtown area around the Tower of the Americas is around 650 feet above sea level.
