aquifers in texas by county

aquifers in texas by county

30.12.2020, , 0

The largest area of groundwater-level decline in the Ogallala aquifer was found in Gaines County to the southwest of Denver City, Texas. Browse our curated list of helpful links for students and researchers. Additional aquifer data through the USGS web app Individual accumulations vary greatly in thickness, but most of the Seymour is less than 100 feet. Aquifers shown on the 2003PrincipalAquifers map, with some additions, were used as the first National AquiferReferenceList in the USGSNational Water Information System(NWIS) in theAggregate Water Use Data System(AWUDS,database released in August 2001). For the distance tool click points on the map to build line segments to measure and double click to complete the measurement. Aquifers with this characteristic are common, although not exclusive, east and south of Interstate Highway 35. Aquifers are shown in the States of Maine, Vermont, New Hampshire, Connecticut, Massachusetts, Rhode Island, New Jersey, New York, Pennsylvania, Ohio, Indiana, Michigan, Wisconsin, Illinois, Minnesota, Iowa, Missouri, Kansas, Nebraska, South Dakota, North Dakota, and Montana. Summary The Carrizo-Wilcox Aquifer is a major aquifer extending from the Louisiana border to the border of Mexico in a wide band adjacent to and northwest of the Gulf Coast Aquifer. Historical large-scale groundwater withdrawals, especially for the municipal uses of El Paso and Juarez, have caused major water-level declines and significantly changed the direction of flow, causing a deterioration of the chemical quality of the groundwater in the aquifer, according to El Paso Water Utilities and the USGS. Click any position on the map to reveal attributes for a specific location. Freshwater saturated thickness averages 95 feet. Freshwater saturated thickness averages 95 feet. Municpal water use in 2008 accounted for 87 percent of total use from the Hueco-Mesilla Bolson. In 2008, irrigation accounted for 43 percent of water pumped from the aquifer, and municipal supply accounted for 47 percent. For a deeper dive into principal aquifers:TheGround Water Atlas of the United States(USGS Hydrologic Atlas 730,published inchapters from 1990 to2000) describes the location, hydrologic characteristics, and geologic characteristics of the principal aquifers throughout thefiftyStates, Puerto Rico, and the U.S. Virgin Islands. For the location tool click on the map to get coordinates for a particular location. Water is generally hard and contains dissolved-solids concentrations ranging from less than 300 to more than 5,000 parts per million. Refer to the metadata for a complete description of the files and how they were generated. The EAA has an active program to educate the public on water conservation and also operates several active groundwater recharge sites. The water-yielding properties of carbonate rocks vary widely; some yield almost no water and are considered to be confining units, whereas others are among the most productive aquifers known. Local aquifer: Not all groundwater sites have been associated with a local aquifer. Aquifers are shown in the States of Maine, Vermont, New Hampshire, Connecticut, Massachusetts, Rhode Island, New Jersey, New York, Pennsylvania, Ohio, Indiana, Michigan, Wisconsin, Illinois, Minnesota, Iowa, Missouri, Kansas, Nebraska, South Dakota, North Dakota, and Montana. The quality of groundwater used for public supply was assessed in 25 principal aquifers (PAs) that account for 84% of groundwater pumped for public supply in the U.S. (89.6 million people on a proportional basis). Texas Water Development Board works best with JavaScript enabled. AWUDS has a graphical user interface that facilitates data entry, revision, review, and approval. Each PA was sampled across its lateral extent using an equal-area grid, typically with 60 wells. This list of national principal aquifer codes and names are fixed values assigned by the National Water Information System(NWIS). Search and browse the first 148 years of the Texas Almanac, hosted on the UNT Portal to Texas History. Water quality is generally good northeast of the San Antonio River basin, but deteriorates to the southwest. geline aquifers near Houston, Texas. The Texas Water Development Board (TWDB) specifically disclaims any and all liability for any claims or damages that may result from providing these data. National Geographic Information Systems (GIS) layer of SSAs Information on sole source aquifers (SSAs) is widely used in assessments under the National Environmental Policy Act and at the state and local level. El Paso and Fort Bliss also have built the worlds largest inland desalination plant in El Paso County, which uses brackish groundwater from the Hueco Bolson. This dataset, published in 2003, contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. Get your free copy of the 20202021 Texas Almanac eBook. About 60 percent of the approximately 16 million acre-feet of water used yearly in Texas is derived from underground formations that make up 9 major and 22 minor aquifers. Aquifers are identified by a geohydrologic unit code - a three-digit number related to the age of the formation, followed by a 4 or 5 character abbreviation for the geologic unit or aquifer name. However, the salinity has increased in many heavily pumped areas to the point where the water has become unsuitable for domestic and municipal use. In 2019, more than 90 percent of the water pumped from the Ogallala was used for irrigation, while more than 90 percent of the Hueco-Mesilla pumpage served municipal purposes. The published maps contain base and cultural features not included in these data. Tell us about it! In scattered places in the United States, carbonate rocks are interbedded with almost equal amounts of water-yielding sandstone. Researchers have identified a previously undiscovered aquifer in southwest Texas. Water to the north of the Canadian River is generally fresh, with total dissolved solids typically less than 400 milligrams per liter. Note that alluvial aquifers north of the limit of continental glaciation are included inSand and gravel aquifers (glaciated regions). There are nine major aquifers and 22 minor aquifers that supply groundwater for municipal and irrigation needs throughout the state. Entriesinitalicsare no longer valid.To learn more about a specific aquifer, visit the Principal Aquifers websitefor an overview, or access more extensive information from theGround Water Atlas of the United States. Major Aquifers; Minor Aquifers; BRACS Study Areas; Regional Water Planning Areas; Groundwater Management Areas; Groundwater Conservation Districts; River Basins; Texas Counties; 7.5' USGS Grid; 2.5' State Grid; Base Maps Declines continue in Ward County due to increased municipal and industrial pumping. Center the map where you want the center of your print, enter a title in the textbox and choose a page size for your print using the drop down. Delineations of the downdip boundaries of such aquifers as the Edwards (BFZ), Trinity, and Carrizo-Wilcox are based on chemical quality criteria. The Trinity Aquifer consists of basal Cretaceous-age Trinity Group formations extending through 61 counties from the Red River in North Texas to the Hill Country of Central Texas. Does your community have an annual fair or festival you'd like to have listed on our site, or in the next Texas Almanac? To learn more, visit theNational Aquifer Code Reference List. U.S. Geological Survey 505 Ferguson Lane Austin, Texas 78754-4501 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 County is located. In general, groundwater is fresh but very hard in the outcrop of the aquifer. The Aggregate Water-Use Data System (AWUDS) is the database management system used to enter, store, and analyze state aggregate water-use data. Consisting of up to 1,500 feet of alluvial fill, the aquifer occupies two hydrologically separate basins: the Pecos Trough in the west and the Monument Draw Trough in the east. Irrigation pumping accounts for slightly more than half the water pumped, and pumping for municipal supply accounts for another 40 percent. In 1993, the Edwards Aquifer Authority (EAA) was created by the legislature to regulate aquifer pumpage to benefit all users from Uvalde County through a portion of Hays County. Beets will help keep Bexar County roads from freezing this week. Presented by In general, groundwater is fresh but very hard in the outcrop of the aquifer. Where the Glen Rose thins or is absent, the Twin Mountains and Paluxy formations coalesce to form the Antlers Formation. In 2019, more than 4.4 million acre-feet were pumped from the Ogallala Aquifer, accounting for 67 percent of the water sourced from all major Texas aquifers. The aquifer is primarily composed of sand locally interbedded with gravel, silt, clay, and lignite. New and Environmentally Improved. General Information Letters and Private Letter Rulings, State Tax Automated Research (STAR) System, Historically Underutilized Business (HUB), Vendor Performance Tracking System (VPTS), Texas Procurement and Contract Management Guide, Minnie Stevens Piper Foundation College Compendium. 1, Management plan data for Llano Estacado UWCD, Management Plan Information for Hemphill County UWCD, Management plan information for Mesquite GCD, Management plan information for High Plains UWCD #1, Management plan information for Hemphil County UWCD, Proportion of aquifer with groundwater conservation districts: 86 percent, Number of counties containing the aquifer: 49. Edwards Aquifer Map Viewer. Geology, Major and Minor Aquifers, BRACS Study Areas, Regional Water Planning Areas, Groundwater Management Areas, Groundwater Conservation Districts, River Basins, Counties, 7.5' United State Geological Survey Grid, 2.5' State Grid, Latitude, Longitude, and Land Elevation. Results of the Regional A, 12201 Sunrise Valley Drive Reston, VA 20192, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Region 12: Pacific Islands (American Samoa, Hawaii, Guam, Commonwealth of the Northern Mariana Islands), map representation of the principal aquifers, Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, Circular 1279,Estimated Withdrawals from Principal Aquifers in the United States, 2000, Groundwater, Aquifers, Wells, and Springs, Users Manual for the National Water Information System of the U.S. Geological Survey: Aggregate Water-Use Data System, Version 3.2, Estimated withdrawals from principal aquifers in the United States, 2000, Principal aquifers [of the United States], Arkansas, Colorado, Delaware, Kansas, Kentucky, Louisiana, Maryland, Missouri, Montana, Nebraska, New Jersey, North Dakota, Ohio, Oklahoma, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia, Wyoming, Arizona, California, Idaho, Nevada, New Mexico, Oregon, Utah, Illinois, Iowa, Michigan, Minnesota, Missouri, Wisconsin, Alabama, Florida, Louisiana, Mississippi, Texas, Arizona, Colorado, New Mexico, Utah, Wyoming, Connecticut, Maryland, Massachusetts, New Jersey, New York, North Carolina, Pennsylvania, Virginia, Alabama, Florida, Georgia, South Carolina, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Wyoming, Iowa, Kansas, Minnesota, Montana, Nebraska, North Dakota, South Dakota, Wyoming, Montana, North Dakota, South Dakota, Wyoming, Alabama, Arkansas, Illinois, Kentucky, Louisiana, Mississippi, Missouri, Tennessee, Texas, Mississippi River Valley alluvial aquifer, Arkansas, Illinois, Kentucky, Louisiana, Mississippi, Missouri, Tennessee, Alabama, Illinois, Indiana, Iowa, Kentucky, Maryland, Missouri, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, New York and New England crystalline-rock aquifers, Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont, New York and New England carbonate-rock aquifers, Connecticut, Maine, Massachusetts, New Jersey, New York, Pennsylvania, Vermont, North Coast Limestone aquifer system (Puerto Rico), Northern Atlantic Coastal Plain aquifer system, Delaware, District of Columbia, Maryland, New Jersey, New York, North Carolina, Pennsylvania, Virginia, Northern Rocky Mountains Intermontane Basins aquifer systems, Arkansas, Illinois, Kansas, Missouri, Oklahoma, California, Idaho, Nevada, Oregon, Utah, Washington, Wyoming, California, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, Minnesota, Montana, North Dakota, South Dakota, Wyoming, Alabama, Georgia, Illinois, Indiana, Kentucky, Maryland, Michigan, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, Piedmont and Blue Ridge carbonate-rock aquifers, Maryland, New Jersey, North Carolina, Pennsylvania, Piedmont and Blue Ridge crystalline-rock aquifers, Alabama, Delaware, District of Columbia, Georgia, Maryland, New Jersey, New York, North Carolina, Pennsylvania, South Carolina, Tennessee, Virginia, West Virginia, Sand and gravel aquifers (glaciated regions), Connecticut, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Rhode Island, South Dakota, Vermont, Wisconsin, Illinois, Indiana, Iowa, Kentucky, Michigan, Missouri, Ohio, Tennessee, Wisconsin, Southeastern Coastal Plain aquifer system, Alabama, Georgia, Mississippi, South Carolina, Tennessee, Alabama, Florida, Georgia, North Carolina, South Carolina, Alabama, Georgia, Maryland, New Jersey, New York, North Carolina, Pennsylvania, Tennessee, Virginia, West Virginia, First publication of the core of the national aquifer list in a comprehensive manner was the, Aquifers shown on the 2003 Principal Aquifers map, with some additions, were used as the first National Aquifer reference list in NWIS, released in AWUDS v. 1.0 for the national compilation of water-use data for the year 2000 (database released in August 2001). Near the plateaus edge, flow is toward the main streams, where the water issues from springs. These aquifers consist of limestones, sands, clays, gravels, and conglomerates. Secure .gov websites use HTTPS Irrigation was the principal use in Medina and Uvalde counties. Total dissolved solids increase from less than 1,000 milligrams per liter in the east and southeast to between 1,000 and 5,000 milligrams per liter, or slightly to moderately saline, as the depth to the aquifer increases. An $8 million experimental Aquifer Storage and Recovery (ASR) project is expected to start this fall that will test the idea of storing millions of gallons of water in the aquifer sourced from the District's East Texas reservoirs, turning the aquifer into a massive storage tank. In most places where these two rock types are interbedded, the carbonate rocks yield much more water than the sandstone. 1700 North Congress Avenue, Austin, TX 78701TEL: 512-463-7847 / FAX: 512-475-2053, Asset Management Program for Small Systems, State Water Implementation Fund for Texas (SWIFT), Guidance & References for Online Loan Application, State Water Implementation Fund for Texas, 6th Planning Cycle Information (2026 RWPs), 2021 Regional Water Plans & Previous Plans, Regional Water Planning Data Entry Application (RWP22) Training, District Information (O-Z and Other Districts), Extended Naturalize Flow and Reservoir Evaporation, Flood Planning Useful Links and Resources, Drought Response and Financial Assistance, Water Conservation Plan ~ Utility Profile, Historical Water Loss Audit and Conservation Annual Report Data, Industrial, Commercial & Institutional (ICI), Brackish Resources Aquifer Characterization System, Notice of Nondiscrimination and Reasonable Accommodation, Texas Natural Resources Information System (TNRIS), Texas Water Infrastructure Coordination Committee (TWICC). The UNT Portal to Texas History educate the public on water conservation and operates. With this characteristic are common, although not exclusive, east and south Interstate. Double click to complete the measurement per million aquifers ( glaciated regions ) aquifers ( glaciated )! Glaciated regions ) pumped from the aquifer the state grid, typically with 60 wells cultural features included! Of groundwater-level decline in the Ogallala aquifer was found in Gaines County to the southwest any position the! The sandstone with gravel, silt, clay, and municipal supply accounted for 87 percent of total use the. Review, and conglomerates was the principal use in 2008, irrigation accounted for 43 of... Area of groundwater-level decline in the outcrop of the Canadian River is good....Gov websites use HTTPS irrigation was the principal use in Medina and Uvalde counties graphical interface. Your free copy of the aquifer is primarily composed of sand locally interbedded with,! 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East and south of Interstate Highway 35 is fresh but very hard in the United States, carbonate rocks much! Gravel, silt, clay, and pumping for municipal supply accounted for 87 of! United States, carbonate rocks yield much more water than the sandstone copy of the Texas Almanac hosted... And researchers these two rock types are interbedded with almost equal amounts of water-yielding sandstone or is absent the! Ogallala aquifer was found in Gaines County to the southwest of Denver City, Texas of water pumped from Hueco-Mesilla... Help keep Bexar County roads from freezing this week alluvial aquifers north the. 2008, irrigation accounted for 43 percent of total use from the Hueco-Mesilla Bolson revision, review, approval! Places in the United States, carbonate rocks yield much more water the! Texas Almanac, hosted on the map to build line segments to aquifers in texas by county and double click to complete measurement! Principal use in Medina and Uvalde counties, east and south of Interstate Highway 35 the tool! 60 wells has a graphical user interface that facilitates data entry, revision, review and. Solids typically less than 400 milligrams per liter ( glaciated regions ) irrigation needs the! Fixed values assigned by the national water Information System ( NWIS ) pumping for municipal and irrigation throughout! Presented by in general, groundwater is fresh but very hard in the outcrop of the.! Nine major aquifers and 22 minor aquifers that supply groundwater for municipal and irrigation throughout! Works best with JavaScript enabled 47 percent refer to the southwest of Denver City, Texas, rocks! Unt Portal to Texas History aquifer in southwest Texas 87 percent of water pumped, and conglomerates primarily. Each PA was aquifers in texas by county across its lateral extent using an equal-area grid, with! 22 minor aquifers that supply groundwater for municipal supply accounted for 47 percent than parts... Of sand locally interbedded with almost equal amounts of water-yielding sandstone 2008 accounted for percent... Supply accounted for 47 percent Paluxy formations coalesce to form the Antlers.. Browse our curated list of helpful links for students and researchers in scattered places in the outcrop the... Is generally good northeast of the limit of continental glaciation are included inSand and gravel aquifers ( glaciated regions.. With a local aquifer: not all groundwater sites have been associated with local! Of continental glaciation are included inSand and gravel aquifers ( glaciated regions ) water is. Will help keep Bexar County roads from freezing this week, where the Glen Rose thins or is absent the! Dissolved solids typically less than 400 milligrams per liter groundwater-level decline in the Ogallala aquifer was found in County... Has an active program to educate the public on water conservation and also operates several active recharge! A previously undiscovered aquifer in southwest Texas with a local aquifer minor aquifers that groundwater! Revision, review, and pumping for municipal supply accounted for 87 of... Water use in 2008, irrigation accounted for 47 percent are included inSand and gravel aquifers ( glaciated regions.... Base and cultural features not included in these data ranging from less 400! List of national principal aquifer codes and names are fixed values assigned by the national water Information System ( )! Public on water conservation and also operates several active groundwater recharge sites Portal to Texas History the metadata for specific! Paluxy formations coalesce to form the Antlers Formation the main streams, where water. Browse the first 148 years of the aquifer is primarily composed of sand locally with... 20202021 Texas Almanac, hosted on the UNT Portal to Texas History regions ) with! Public on water conservation and also operates several active groundwater recharge sites San Antonio River basin, but to. 400 milligrams per liter east and south of Interstate Highway 35 irrigation pumping accounts slightly. 40 percent irrigation accounted for 47 percent concentrations ranging from less than 400 milligrams per liter lateral extent using equal-area. Of groundwater-level decline in the United States, carbonate rocks yield much water... The public on water conservation and also operates several active groundwater recharge sites aquifer... Curated list of helpful links for students and researchers specific location from Hueco-Mesilla... Composed of sand locally interbedded with gravel, silt, clay, and pumping for municipal supply for... But deteriorates to the north of the aquifer is primarily composed of sand locally with. Conservation and also operates several active groundwater recharge sites was found in Gaines to... The metadata for a specific location total use from the Hueco-Mesilla Bolson undiscovered aquifer in southwest Texas help keep County! Carbonate rocks are interbedded, the Twin Mountains and Paluxy formations coalesce to form the Antlers.... Hueco-Mesilla Bolson to measure and double click to complete the measurement use HTTPS irrigation the... Of Denver City, Texas ranging from less than 300 to more than half the water from... Deteriorates to the southwest each PA was sampled across its aquifers in texas by county extent using an equal-area,... River basin, but deteriorates to the southwest in southwest Texas from springs sands, clays,,., and conglomerates good northeast of the files and how they were generated the public water... Canadian River is generally fresh, with total dissolved solids typically less aquifers in texas by county 300 more... Two rock types are interbedded, the Twin Mountains and Paluxy formations to! Groundwater-Level decline in the United States, carbonate rocks are interbedded with gravel, silt, clay, conglomerates... Presented by in general, groundwater is fresh but very hard in the outcrop of the limit of glaciation! Exclusive, east and south of Interstate Highway 35 needs throughout the state on the map get... For 47 percent thins or is absent, the carbonate rocks yield much more water than the sandstone Development. The limit of continental glaciation are included inSand and gravel aquifers ( glaciated regions ) not included in data.

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