1) Which zone of the aquifer includes the watersheds that drain into streams or or where water runs over land to places where it might empty into the aquifer? a) Contributing Zone b) Recharge Zone c) Twilight Zone d) Strike Zone e) Artesian Zone 2) Which zone of the aquifer has sinkholes and fractures in the surface rock that allows rainwater and runoff to easily enter and refill the aquifer? a) Contributing Zone b) Recharge Zone c) Twilight Zone d) Strike Zone e) Artesian Zone 3) Which zone of the aquifer consists of water that is under pressure that allows for natural springs and wells that do not require water to be pumped?? a) Contributing Zone b) Recharge Zone c) Twilight Zone d) Strike Zone e) Artesian Zone 4) What type of rock is commonly found in karst landscapes, in which sinkholes and caves form through the dissolution of rock by water? a) Granite b) Sandstone c) Limestone d) Basalt e) Pumice  5) Which of the following threatened or endangered species lives in the underground caverns of the Edwards Aquifer? a) Texas Blind Salamander b) San Marcos Salamander c) Fountain Darter d) Dung Beetle e) Walking Catfish f) Guadalupe Bass 6) Which of the following threatened or endangered species is a type of fish that can only be found around natural springs on the San Marcos and Comal Rivers? a) Texas Blind Salamander b) San Marcos Salamander c) Fountain Darter d) Dung Beetle e) Walking Catfish f) Guadalupe Bass 7) Which of the following is the most important reason for monitoring the quality of wells in the Edwards Aquifer? a) control the amount of water used b) prevent contamination of the aquifer c) properly treat water coming out of the aquifer d) recycle water that is not used e) improve the taste of drinking water 8) Based on current conditions, what stage of pumping restrictions are being implemented by the Edwards Aquifer Authority (NOT the same as SAWS)? a) No Stage (J-17 660ft or above) b) Stage 1 (J-17 below 660 feet) c) Stage 2 (J-17 below 650 feet) d) Stage 3 (J-17 below 640 feet) e) Stage 4 (J-17 below 630 feet) f) Stage 5 (J-17 below 625 feet)

Edwards Aquifer Authority Educational Outreach Center Pre-Test

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