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Quiz 14: Edwards Grand Master

OK this is it, the Grand Master Quiz. This will test your overall knowledge of Edwards hydrogeology, history, places, and rules. If you do well on this, you are one bad Aquifer guru, and you can put me down as a reference on your job application.


The Edwards is a __________, __________, __________aquifer.

a) fault zone, confined, artesian
b) homogenous, unconfined, well protectedr
c) small, nonpotable, nonanistrophic

The average residence time for water in the aquifer is around:

a) 1 year
b) 5 years
c) 10 years
d) 200 years

The "Knippa Gap" is a structural restriction to flow that results in much higher well levels to the west.

a) true
b) false

Built in 1886, the Hot Wells Hotel in San Antonio:

a) was a legendary health spa and resort
b) used hot sulfur water from the Edwards
c) was a favorite among movie stars and presidents
d) had a studio that made 71 silent films
e) all of the above

Almost 80% of the springflows here come from many small springs and seeps under and around the shores of Landa Lake:

a) San Marcos Springs
b) Comal Springs
c) San Antonio Springs
d) San Pedro Springs

People in Austin love and revere Barton Springs like no other spot. They have been the focus of major battles between environmentalists and developers. The springs:

a) were closed in 2003 due to high levels of arsenic and benzene
b) are affected by persistent low levels of herbicides and solvents
c) were the subject of a documentary by Robert Redford
d) are fed by several underground flow paths
e) all of the above

At Comal Springs, dye-tracer studies have shown that most of the water originates far to the west and moves to the springs through major flow zones in Bexar and Medina counties.

a) true
b) false

Which of these were at San Pedro Springs:

a) a Buffalo Bill Wild West Show
b) a Civil War prisoner of war camp
c) a stable for the Army Camel Corps
d) a zoo and hot air balloon rides
e) all of the above

In 2007, the Texas legislature directed the EAA and other state and municipal water agencies to participate in a collaborative, consensus-based stakeholder process to develop a plan to protect the federally-listed species dependent on the Edwards Aquifer. This is known as the Edwards Aquifer Recovery Implementation Program (EARIP).

a) true
b) false

There are significant cultural and legal obstacles to developing rules that will protect Edwards water quality, and at present there is simply no institutional or regulatory framework that can effectively be applied to this management challenge.

a) true
b) false