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Edwards Aquifer Recovery Implementation Program HABITAT CONSERVATION PLAN <br />in Comal Springs. (HDR 2011). Using the Guadalupe-San Antonio River Basin Water <br />Availability Model (GSA), HDR Engineers determined that the amount of fresh water inflow in <br />the Guadalupe Estuary increases by 13,222 ac-ft in the worst year of a repeat of the drought of <br />record. (Id.). <br /> <br />EAA lacks jurisdiction over surface water flow. Thus, it lacks the authority to ensure that any <br />additional springflow provided from the Edwards Aquifer will be available in the bays and <br />estuaries. <br />1.5 Regulatory Framework <br />1.5.1 Texas Water Law <br />In Texas, the administration of water rights is dependent on the type of water in question <br />prior <br />which holds that the State of Texas owns all water in streams and rivers, and grants permission <br />to use the water on a seniority basis through an administrative process. <br />Under Texas common law, groundwater is governed by the rule of capture.Under this <br />doctrine, an owner of land may drill a well to seek groundwater, withdraw any groundwater that <br />may be encountered, and place the water to beneficial use without significant limitation as to <br />amount, place, or purpose. Moreover, this common law privilege may generally be exercised <br />without regard for any negative impacts to adjacent landowners or springflows. <br />While generally the rule of capture remains in effect, groundwater conservation districts may, <br />through rulemaking, limit or regulate the operation of the rule of capture within their respective <br />boundaries under the specific authority provided by their enabling legislation or by Chapter 36, <br />Texas Water Code. The first groundwater district was established in 1951, and as of 2011, 97 <br />groundwater districts have been established (96 confirmed, 1 unconfirmed; TWDB 2011). <br />Under the EAA Act, the common law has essentially been supplanted and groundwater within <br />the Aquifer is regulated by statute rather than the rule of capture. <br />1.5.2 Edwards Aquifer Authority <br />1.5.2.1 Administration of Groundwater Rights in the Edwards Aquifer <br />The EAA Act requires the EAA to, among other things, regulate and manage withdrawals from <br />the Aquifer. The EAA manages withdrawals primarily through its Groundwater Withdrawal <br />Permit Program. The basic elements of this program include: (1) a fact-finding process to <br />identify persons who qualified for a water right in the Aquifer; (2) the issuance and <br />administration of groundwater withdrawal permits; (3) capping the aggregate amount of permits <br />that may be issued; (4) allowing permits to be marketed; and (5) reducing withdrawals when <br />necessary for the benefit of threatened and endangered species protected under the <br />Endangered Species Act. <br /> <br />1-11 <br /> <br />