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The Edwards Aquifer Authority, or EAA, declared Stage 2 Critical Period Management for Edwards withdrawal permit holders in the San Antonio Pool of the EAA’s jurisdiction on Aug. 6 due to declining water levels in the aquifer, according to an EAA news release.
This jurisdiction includes Medina, Bexar, and parts of Guadalupe, Comal, Hays, Atascosa and Caldwell counties, the release states.
How it happened: On April 6, the 10-day average at the J-17 index well was 649.8 feet above mean sea level, which falls within the Stage 2 threshold of the EAA Critical Period Management Plan. The J-17 index well is a monitoring well where the EAA measures groundwater levels in the San Antonio Pool of the Edwards Aquifer. The 10-day average at the Comal Springs is 219 cubic feet per second, or cfs, and the San Marcos Springs is 128 cfs, according to the release.
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