Trinity aquifer map

Michelle Lee

May 18, 2025

10 min read

, 2020, Contributing Zones of the San Antonio, Barton Springs, and Northern segments of the Edwards aquifer: U. Minor aquifers typically supply large quantities of water .The Trinity aquifer is composed of three subdivisions; the Upper Trinity, Middle Trinity, and the Lower Trinity aquifers. Cow Creek Groundwater Conservation District Micah Voulgaris General Manager P.Figure 4: Potentiometric contour map of the Middle Trinity Aquifer of the Texas Hill Country during relatively dry period of March 2009 (modi•ed from Hunt and Smith, 2010).used portion ofthe aquifer. From predominately terrigenous clastic sediments in the east .IDDATETYPEDESCRIPTIONTexas Aquifers Study12/31/2016Legislative ReportTexas Aquifers Study: Groundwate. Groundwater Management Area.Trinity Aquifer System.comRecommandé pour vous en fonction de ce qui est populaire • Avis

Trinity Aquifer

Figure 78 Map showing extent of the Edwards-Trinity aquifer system.Google Maps: Edwards-Trinity (Plateau) Aquifer - Texas

Hydrolic Geology

Completed in 2001, the Statewide Aquifer Mapping Program (SAMP) mapped the extent of 31 bedrock aquifers and all of the unconsolidated or glacial aquifers within Ohio.Edwards Aquifer Maps and GIS Located in the heart of south central Texas, the Edwards Aquifer is the natural water resource that supports approximately 2 million of us.Learn about the Trinity Aquifer, a source of water for customers in far Northern Bexar County. Contact Information.Groundwater Conservation District.The Trinity Aquifer is composed of coastal plain units.

Results from Well Visits

Geological Survey data . See the locations and capacities of SAWS' three Trinity Aquifer projects and .

The primary product is a series of . Figure 78 Map showing extent of the Edwards-Trinity aquifer system (50K) editable eps file E078.The Trinity Aquifer discharges to a large number of springs, with most dis¬charging less than 10 cubic feet per second. Trinity Lake, previously called Clair Engle Lake, . Some of the state’s largest . To help effectively manage the water resources in the area, refined maps and . Footer Social Media Navigation The maximum total sand thickness of the Gulf Coast .R-3539/1/2000TWDB numbered rep. It is currently used as a .

However, the development in the area resulted in the reduction of the flow . Source: TWDB LM PARCHMAN, THE MEADOWS CENTER.Detailed Description.This project is part of a multi-phase effort to refine existing and develop new geologic and hydrostratigraphic maps of the Edwards and Trinity aquifers at the 1:24,000 scale in parts of Bexar, Comal, Hays, Blanco, Kendall, Bandera, Medina, Uvalde, Real, Edwards, and Kinney Counties.A map insert into the top section shows the general location of the cross section, and the legend noting the names of the rock formations per color band. Atlas: Geologic Base Map and Geologic Control Points.Discover the Edwards-Trinity (High Plains) Aquifer, a major groundwater resource in the Texas Panhandle and adjacent areas. The ower Trinity Aquifer (comprising the Hosston Sand L and Sligo Limestone) is not as widely used due to its depth and water quality (SCTRWPG, 2010).Major Aquifers; Minor Aquifers; BRACS Study Areas; Regional Water Planning Areas; Groundwater Management Areas; Groundwater Conservation Districts; River Basins; .

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Groundwater Data Viewer

The Trinity Aquifer outcrops very little within GMA 10 and exists as a confined aquifer underlying the Edwards (Balcones Fault Zone) Aquifer.Download aquifer GIS data. Hydrogeologic Atlas of the Hill Country Trinity Aquifer: Blanco, Hays, and Travis Counties, Central Texas.Major Aquifers. See the interactive map .The amount of recharge occurring as lateral, subsurface inflow from the Trinity Aquifer is estimated to range from less than 25,000 to perhaps 64,000 acre-feet per year.Balises :AquifersGroundwaterMiddle Trinity Water

Earth's Water Systems

Trinity Aquifer.Learn about the geology, water quality, and water use of the Edwards-Trinity (Plateau) Aquifer, a major aquifer in southwestern Texas.Hydrogeologic Atlas of the Hill Country Trinity Aquifer: Blanco, Hays, and Travis Counties, Central Texas.

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Map of GMA 9 Minor Aquifer boundaries. Original data reported in feet above mean sea level, and transcribed by TWDB to feet below land surface using the estimated land surface elevation provided by the EAA.Groundwater Availability Model: Hil.Aquifers of TexasR-3776/1/2011TWDB numbered rep. Box 1557 Boerne, Texas 78006 Telephone: 830-816-2504 Fax: 830-816-2607 Email: manager@ccgcd. Learn about its geology, recharge, water quality, and the challenges of regulating its use in a priority groundwater . Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within parts of Bandera and Kendall Counties, Texas.783333) Download Data. Find out how the aquifer is related to other Edwards-Trinity aquifers in the state, and how it differs in geology, water quality, and management.The Edwards-Trinity aquifer—locally, the Edwards-Trinity (Plateau) aquifer—extends across much of southwestern Texas and is composed of Edwards Group carbonates in the upper part and Trinity Group sands and carbonates in the lower part. It is part of a much larger system that spans approximately 8,800 square miles. This aquifer is generally recharged by precipitation; water is mostly unconfined in the shallow parts of the aquifer and is confined in the deeper zones. Although the upper member of the Glen Rose Limestone contains enough clay and marl beds to form a relatively impermeable unit that restricts infiltration of surface water and ground-water flow, the upper 150 m of the Glen Rose Limestone has substantial karst .

During 2018–20 the U.Statewide Aquifer Maps.Balises :Trinity AquiferGroundwater26 lignesLearn about the Trinity Aquifer, a major confined and unconfined aquifer in central and northeastern Texas. The map above depicts the full geographic extent of the Trinity Aquifer. Map Description.Balises :Trinity AquiferAquifersTexas Hill Country Water ResourcesOther Maps of Interest. The Texas pioneers used the water to power up a sawmill, which continued for almost 70 years.Balises :Trinity AquiferAquifer Description

The Trinity Aquifer

Find interactive map, cross-section, reports, and facts about its area, use, quality, and .

Trinity Aquifer

The Edwards and Trinity aquifers are major sources of water in south-central Texas and are both classified as major aquifers .3133/sim35182024

Oklahoma-Texas Water Science Center

What might different pumping scenarios look like for the Trinity aquifer? The aquifer is one of the most extensive and highly used groundwater resources in Texas.Balises :Aquifers in TexasReportGeologyAllan K.Groundwater Availability of the Trini.Balises :Aquifers in TexasTexas Aquifers By CountyGeological Survey The Upper Trinity aquifer is composed of the Paluxy .Balises :Trinity AquiferGroundwaterTexas Aquifer MapTrinity River

HA 730-E Edwards-Trinity aquifer system text

Learn about its geology, water quality, and management. GMA 9 is the area designated for the Hill Country portion of the Trinity Aquifer system (Lower, Middle, and Upper Trinity Aquifers).Balises :AquifersGroundwaterEdwards-TrinityTrinity Aquifer Water Level The remaining one-third enters through up-dip, unconfined parts of the aquifer in Bexar, Comal, and Hays . Two-thirds of all Edwards Aquifer recharge occurs west of San Antonio. This report presents the refined maps and descriptions of .

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Trinity Lake

The Edwards-Trinity aquifer, located in the Trans-Pecos and the Edwards Plateau areas, is composed of relatively flat-lying rocks that are generally exposed at the land surface.This report presents the refined maps and descriptions of geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within northern . The solid red in the western half of the aquifer depicts the outcropping portion and recharge . Figure 80 Correlation chart.This is best described as an artesian spring that releases thousands of gallons of water from the Trinity Aquifer. Nearly flat-lying, mostly Comanche (Lower Cretaceous) strata of the aquifer system thin northwestward atop massive pre-Cretaceous rocks that are comparatively impermeable and structurally complex.During 2020–22, the U. It is composed of several smaller aquifers contained within the Trinity .Balises :Trinity AquiferHill Country Trinity AtlasTexas Hill Country Water ResourcesBalises :Aquifers in TexasReportDOI:10.

Karst Aquifers: Edwards-Trinity Plateau Aquifer Active

Photographs showing footwall of normal fault in the outcrop of the Edwards Group in northern Bexar . Barton Creek Watershed Map. The Edwards Aquifer Authority manages the San Antonio segment of the Balcones Fault .A map of sites visited is below. Figure 79 Cross section of aquifer system.The Gulf Coast Aquifer is a major aquifer paralleling the Gulf of Mexico coastline from the Louisiana border to the border of Mexico.Balises :Trinity AquiferEdwards-TrinityThe Edwards and Trinity aquifers are major sources of water in south-central Texas and are both classified as major aquifers by the State of Texas., and Lamberts, A.Balises :Trinity AquiferTrinity RiverR-3807/1/2011TWDB numbered rep.5-minute quadrangles as a base. Principal aquifers (shallowest extents) This dataset, published in 2003, contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U. During 2019–23 the U. Geological Survey, in cooperation with the Edwards Aquifer Authority, revised a previous publication that described the geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within northern Bexar and Comal Counties, Texas.gz (380K compressed) Aquifer delineations were completed at a scale of 1:24,000, using standard USGS 7. Upper Trinity GCD. A major aquifer is generally defined as supplying large quantities of water in large areas of the state. In 1924, Jacob’s Well had a flow of 170 gallons per second. Atlas: Stratigraphic Column and Type Geophysical Logs.The Edwards and Trinity aquifers are classified as major aquifers by the Texas Water Development Board and are major sources of water in south-central Texas, where Hays .Voir les 26 lignes sur www. The population in Hays and Comal Counties is rapidly growing, increasing demands on the area’s water resources. Historical Maps.The Edwards-Trinity aquifer system underlies about 42,000 square miles of west-central Texas. The map layer was developed as part of the effort to produce the maps published at 1:2,500,000 . Although its primary use is for municipalities, it is also used for irrigation, livestock, and other domestic purposes. Location (lat, long) (32. 1700 North Congress Avenue, Austin, TX 78701 TEL: 512-463-7847 / FAX: 512-475-2053.

Water level data are maintained by the Edwards Aquifer Authority (EAA). External links. Cover, from left to right. It consists of several aquifers, including the Jasper, Evangeline, and Chicot aquifers, which are composed of discontinuous sand, silt, clay, and gravel beds.gov

Google Maps: Trinity Aquifer

This water level snapshot will help ensure that monitoring networks are representative of water levels in the . In order, these include Pike Gravel, Delight Sand, Dierks Limestone, the Holly Creek Formation, the De .

Middle Trinity Aquifer Water Levels The Trinity Aquifer is the primary groundwater source for a variety of needs throughout the Texas Hill Country.The Trinity aquifer is subdivided into upper, middle, and lower segments (Ashworth, 1983). Geological Survey, in cooperation with the Edwards Aquifer Authority, mapped and described the geology and hydrostratigraphy of the rocks composing the Edwards and . Clark, Robert R.The confined zone is deeper water that is separated from the land surface and is the primary source of aquifer water used by people.

1880 Gulf, Colorado, & Santa .