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The Edwards Aquifer Authority (EAA) was established in 1996 after lawsuits that were filed for the protection of endangered species in Comal and San Marcos Springs revealed the need for aquifer management. Several events set the stage for water management in Texas and the creation of the EAA. The EAA succeeded the Edwards Underground Water District, which was formed after the 1951–1956 drought of record. The EAA was eventually granted regulatory responsibilities, including issuing permits for wells, setting limits on groundwater pumpage, and development of a habitat conservation plan to protect endangered species.

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