Edwards Aquifer

E596701

The Edwards Aquifer is a vast karst limestone groundwater system in central Texas that serves as a primary water source for San Antonio and surrounding communities.

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All labels observed (2)

Label Occurrences
Edwards Aquifer canonical 1
Edwards Plateau aquifer system 1

Statements (47)

Predicate Object
instanceOf karst aquifer
aquiferType artesian aquifer
confined aquifer
karst aquifer
associatedWithSpecies San Marcos gambusia NERFINISHED
Texas blind salamander NERFINISHED
fountain darter
composedPrimarilyOf limestone
country United States of America
surface form: United States
dischargesTo springs
wells
extendsUnder Bexar County, Texas NERFINISHED
Comal County, Texas NERFINISHED
Hays County, Texas NERFINISHED
geologicalFormation Edwards Group limestone NERFINISHED
governedBy pumping permits
hasHydrogeologicRegion Barton Springs Segment NERFINISHED
Northern Segment
San Antonio Segment NERFINISHED
hasLegalProtectionStatus federally regulated under the Endangered Species Act (via spring-dependent species)
hydrologicConnectionTo Comal River NERFINISHED
San Marcos River NERFINISHED
locatedIn Central Texas NERFINISHED
majorSpring Barton Springs NERFINISHED
Comal Springs NERFINISHED
San Antonio Springs NERFINISHED
San Marcos Springs NERFINISHED
managedBy Edwards Aquifer Authority NERFINISHED
monitoredBy observation wells
springflow gauges
primaryWaterSourceFor San Antonio, Texas NERFINISHED
surrounding communities in Central Texas
rechargedBy losing streams
rainfall infiltration
sinkholes
region Edwards Plateau NERFINISHED
state Texas
subjectTo drought management plans
suppliesWaterFor agricultural irrigation
industrial use
municipal use
springflow-dependent ecosystems
supports drinking water supply for more than one million people
threatenedBy overpumping
pollution
urban development
waterQuality generally high but vulnerable to contamination

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

San Antonio River source Edwards Aquifer
Devils River sourceRegion Edwards Aquifer
this entity surface form: Edwards Plateau aquifer system