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USGS Water Resources Links for:
12100204 - Lower Guadalupe
Major USGS Links
Online USGS Watershed Information For:
Links to Projects, Publications and Information for Cataloging Unit 12100204 - Lower Guadalupe
Links to Projects, Publications and Information for Accounting Unit 121002 - Guadalupe
- South-Central Texas (Edwards) National Water Quality Assessment (NAWQA)
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- Guidance for design in areas of extreme bed-load mobility, Edwards Plateau, Texas
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- Simulation of streamflow and estimation of recharge to the Edwards aquifer in the Hondo Creek, Verde Creek, and San Geronimo Creek watersheds, south-central Texas
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- Water-level altitudes in wells completed in the northern segment of the Edwards aquifer, Travis, Williamson, and Bell Counties, Texas
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- Geologic framework and hydrogeologic characteristics of the Edwards aquifer, Uvalde County, Texas
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- Simulation of runoff and recharge and estimation of constituent loads in runoff, Edwards aquifer recharge zone (outcrop) and catchment area, Bexar County, Texas
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- Geologic framework and hydrogeologic characteristics of the Edwards aquifer outcrop, Medina County, Texas
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- Stormwater runoff for selected watersheds in the Edwards aquifer recharge zone, Bexar County, Texas
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- Monitoring of selected water-quality constituents near the freshwater/saline-water interface of the Edwards aquifer
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- Geologic history and hydrogeologic setting of the Edwards-Trinity aquifer system, west-central Texas
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- Simulations of flow in the Edwards-Trinity aquifer system and contiguous hydraulically connected units, west-central Texas
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- Historical saturated thickness of the Edwards-Trinity aquifer system and selected contiguous hydraulically connected units, west-central Texas
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- Configuration of the base of the Edwards-Trinity aquifer and hydrogeology of the underlying pre-Cretaceous rocks, west-central Texas
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- Vulnerability of ground water to contamination, Edwards aquifer recharge zone, Bexar County, Texas
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Links to Projects, Publications and Information for Subregion 1210 - Central Texas Coastal
- Characterization Study of the Current Status and Historical Trends in Freshwater Inflows in Corpus Christi Bay
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- Evaluation of Water Quality Constituent Loadings from Agricultural Croplands to Baffin Bay, Texas
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- Streamflow gain and loss and water quality in the upper Nueces River Basin, south-central Texas
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- Simulation of streamflow and the effects of brush management on water yields in the upper Guadalupe River watershed, south-central Texas
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- Estimation of evaporation from open water-A review of selected studies
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- USGS Zebra Mussel Monitoring Program for north Texas
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- Evaluating the variability of sediment and nutrient loading from riverine systems into Texas estuaries and bays
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- Hydrogeologic setting and groundwater-flow simulations of the South-Central Texas regional study area
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- Recent (2008-10) concentrations and isotopic compositions of nitrate and concentrations of wastewater compounds in the Barton Springs zone, south-central Texas, and their potential relation to urban development in the contributing zone
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- Recent (2008-10) water quality in the Barton Springs segment of the Edwards aquifer and its contributing zone, central Texas, with emphasis on factors affecting nutrients and bacteria
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- Nitrate concentrations and potential sources in the Barton Springs segment of the Edwards aquifer and its contributing zone, Central Texas
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- Assessing the vulnerability of public-supply wells to contamination-Edwards aquifer near San Antonio, Texas
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- Simulations of groundwater flow and particle-tracking analysis in the zone of contribution to a public-supply well in San Antonio, Texas
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- Hydrogeology, chemical characteristics, and water sources and pathways in the zone of contribution of a public-supply well in San Antonio, Texas
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- Simulation of streamflow, evapotranspiration, and groundwater recharge in the lower San Antonio River watershed, south-central Texas
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- Sources of groundwater based on helium analyses in and near the freshwater/saline-water transition zone of the San Antonio segment of the Edwards aquifer, south-central Texas
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- Lithologic and physicochemical properties and hydraulics of flow in and near the freshwater/saline-water transition zone, San Antonio segment of the Edwards aquifer, south-central Texas, based on water-level and borehole geophysical log data
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- Geochemical evolution processes and water-quality observations based on results of the National Water-Quality Assessment Program in the San Antonio segment of the Edwards aquifer
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- Water-level, borehole geophysical log, and water-quality data from wells transecting the freshwater/saline-water interface of the San Antonio segment of the Edwards aquifer, south-central Texas
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- Description and evaluation of numerical groundwater flow models for the Edwards aquifer, south-central Texas
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- Estimation of streamflow gains and losses in the lower San Antonio River watershed, south-central Texas
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- Bed-material entrainment and associated transportation infrastructure problems in streams of the Edwards Plateau, Central Texas
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- Potential for bed-material entrainment in selected streams of the Edwards Plateau-Edwards, Kimble, and Real Counties, Texas, and vicinity
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- Statistical analysis of major ion and trace element geochemistry of water, 1986-2006, at seven wells transecting the freshwater/saline-water interface of the Edwards aquifer, San Antonio, Texas
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- Streamflow conditions in the Guadalupe River Basin, south-central Texas, water years 1987-2006-An assessment of streamflow gains and losses and relative contribution of major springs to streamflow
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- An integrated hydrogeologic and geophysical investigation to characterize the hydrostratigraphy of the Edwards aquifer in an area of northeastern Bexar County, Texas
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- Relation of specific conductance in ground water to intersection of flow paths by wells, and associated major ion and nitrate geochemistry, Barton Springs segment of the Edwards aquifer, Austin, Texas
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- Nutrient and biological conditions of selected small streams in the Edwards Plateau, Central Texas, 2005-06, and implications for development of nutrient criteria
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- Geologic, hydrologic, and geochemical identification of flow paths in the Edwards aquifer, northeastern Bexar and southern Comal Counties, Texas
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- Geophysical delineation of the freshwater/saline-water transition zone in the Barton Springs segment of the Edwards aquifer, Travis and Hays Counties, Texas
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- Spatial data for Eurycea salamander habitats associated with three aquifers in South-Central Texas
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- Flow paths in the Edwards aquifer, northern Medina and northeastern Uvalde Counties, Texas, based on hydrologic identification and geochemical characterization and simulation
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- Evaluation of ground-water flow and land-surface subsidence caused by hypothetical withdrawals in the northern part of the Gulf Coast aquifer system, Texas
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- Hydrogeology and simulation of ground-water flow and land-surface subsidence in the northern part of the Gulf Coast aquifer system, Texas
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- Comparison of temperature, specific conductance, pH, and dissolved oxygen at selected basic fixed sites in South-Central Texas
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- National Water-Quality Assessment Program-South-Central Texas
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- Diffuse-flow conceptualization and simulation of the Edwards aquifer, San Antonio region, Texas
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- Biological and associated water-quality data for lower Olmos Creek and upper San Antonio River, San Antonio, Texas
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- Statistical analyses of hydrologic system components and simulation of Edwards aquifer water-level response to rainfall using transfer-function models, San Antonio region, Texas
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- Conceptualization and simulation of the Edwards aquifer, San Antonio region, Texas
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- A water-budget analysis of Medina and Diversion Lakes and the Medina/Diversion Lake system, with estimated recharge to Edwards aquifer, San Antonio area, Texas
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- Simulation of streamflow and estimation of streamflow constituent loads in the San Antonio River watershed, Bexar County, Texas
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- Gain-loss study of lower San Pedro Creek and the San Antonio River, San Antonio, Texas
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- Discharge between San Antonio Bay and Aransas Bay, Southern Gulf Coast, Texas
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- Quality of stormwater runoff from an urbanizing watershed and a rangeland watershed in the Edwards aquifer recharge zone, Bexar and Uvalde Counties, Texas
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- Bottom sediments of Lorence Creek Lake, San Antonio, Texas, reflect contaminant trends in an urbanizing watershed
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- Floods in the Guadalupe and San Antonio River Basins in Texas
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- Hydrologic, water-quality, and biological data for three water bodies, Texas Gulf Coastal Plain
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- Ground-water quality of the southern High Plains aquifer, Texas and New Mexico
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- Estimation of minimum 7-day, 2-year discharge for selected stream sites, and associated low-flow water-quality data, southeast Texas
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- Floods in southeast Texas
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Links to Projects, Publications and Information for Region 12 - Texas-Gulf
- Field Applications of Unsaturated Zone Flow theory
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- Analysis of Flood Magnitude and Frequency in Louisiana
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- Surface Water Stations in Texas
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- Ground Water Stations in Texas
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- Quality of Water Stations in Texas
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- Sediment Stations in Texas
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- Flood investigations in Texas
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- Water Use in Texas
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- San Antonio Urban Runoff
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- Determination of Nutrient Loadings from Nonpoint Source and Evaluation of the Effects of Nutrients on Dickinson Bayou, San Jacinto-Brazos Coastal Basin, Texas
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- Hydrogeology and water quality of deep aquifer sustems at the Naval Weapons Industrial Reserve Plant, Grand Prairie, Texas
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- Characterization of Runoff, Reservoir Bed Sediments and Fish and Benthic Invertebrate Tissue, Mountain Creek Lake, Dallas, TX
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- Technical Assistance to USEPA at Brio Superfund Site, Friendswood, TX
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- Hydrogeologic and Water Quality Assessment of Medina Lake, Medina-Bandera Counties, Texas
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- Estimation of Volume and Quality of Stormwater Runoff and Associated Recharge Within the Edwards Aquifer Recharge Zone
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- Water Quality Analyses of Federal Compact Stations
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- Water Quality Analyses of Federal (Cbr) Program Hydrologic Network Stations
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- Geochemistry of Water in Fine Grained Sediments
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- Automated delineation and characterization of watersheds for more than 3,000 surface-water-quality monitoring stations active in 2010 in Texas
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- Trends in selected streamflow statistics at 19 long-term streamflow-gaging stations indicative of outflows from Texas to Arkansas, Louisiana, Galveston Bay, and the Gulf of Mexico
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- Sound Data Management as a Foundation for Natural Resources Management and Science
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- summary of U.S. Army Corps of Engineers data collection and methods, and evaluation of two methods for estimation of evaporation from five reservoirs in Texas
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- Spatially pooled depth-dependent reservoir storage, elevation, and water-quality data for selected reservoirs in Texas
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- Additional regional investigations of the transport of anthropogenic and natural contaminants to public-supply wells
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- Hydrogeologic settings and groundwater-flow simulations for regional investigations of the transport of anthropogenic and natural contaminants to public-supply wells
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- U.S. Geological Survey Community for Data Integration-NWIS Web Services Snapshot Tool for ArcGIS
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- How does a U.S. Geological Survey streamgage work?
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- Coal-tar-based pavement sealcoat, polycyclic aromatic hydrocarbons (PAHs), and environmental health
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- Enhancement of USGS scientific investigations in Texas by using geophysical techniques
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- U.S. Geological Survey archived data recovery in Texas
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- Recent (2001-09) hydrologic history and regionalization studies in Texas-Statistical characterization of storms, floods, and rainfall-runoff relations
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- Water resources data for the United States, water year
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- Regression equations for estimation of annual peak-streamflow frequency for undeveloped watersheds in Texas using an L-moment-based
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- Production of a national 1:1,000,000-scale hydrography dataset for the United States-Feature selection, simplification, and refinement
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- Geographic Information systems, remote sensing, and spatial analysis activities in Texas
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- Summary of annual mean and annual harmonic mean statistics of daily mean streamflow for 620 U.S. Geological Survey streamflow-gaging stations in Texas
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- Alternative regression equations for estimation of annual peak-streamflow frequency for undeveloped watersheds in Texas
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- Monitoring inland storm surge and flooding from Hurricane Ike in Texas and Louisiana
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- Monitoring indicators of harmful Cyanobacteria in Texas
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- Collection and analysis of samples for polycyclic aromatic hydrocarbons in dust and other solids related to sealed and unsealed pavement from 10 cities across the United States
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- An initial-abstraction, constant-loss model for unit hydrograph modeling for applicable watersheds in Texas
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- Summary of water-surface-elevation data for 116 U.S. Geological Survey lake and reservoir stations in Texas and comparison to data for water year
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- Summary of annual mean, maximum, minimum, and L-scale statistics of daily mean streamflow for 712 U.S. Geological Survey streamflow-gaging stations in Texas
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- Summary of percentages of zero daily mean streamflow for 712 U.S. Geological Survey streamflow-gaging stations in Texas
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- Geographic information systems, remote sensing, and spatial analysis activities in Texas
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- Techniques to estimate generalized skew coefficients of annual peak streamflow for natural basins in Texas
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- Floods in central Texas
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- Trends in nutrient inflows to the Gulf of Mexico from streams draining the conterminous United States
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- Regional equations for estimation of peak-streamflow frequency for natural basins in Texas
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- Depth-duration frequency of precipitation for Texas
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- Characterization and simulation of the quantity and quality of water in the Highland Lakes, Texas
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- Water resources data, Texas, water year 1998-Volume 4. Ground water data
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- Index of stations-Surface-water data-collection network of Texas
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- Overview of the Texas Source Water Assessment Project
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- etermining the occurrence of pesticides and volatile organic compounds in public water-supply source waters in Texas
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- Interagency field manual for the collection of water-quality data
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- Regional equations for estimating mean annual and mean seasonal runoff for natural basins in Texas
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- Water quality in south-central Texas
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- Evaluation of the streamflow-gaging network of Texas and a proposed core network
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- Effects of regulation on L-moments of annual peak streamflow in Texas
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- Results of streamflow gain-loss studies in Texas, with emphasis on gains from and losses to major and minor aquifers
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- Volatile organic compound and pesticide data for public water-supply reservoirs and wells, Texas
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- Occurrence of selected volatile organic compounds and soluble pesticides in Texas public water-supply source waters
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- Major and catastrophic storms and floods in Texas
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- Database of historically documented springs and spring flow measurements in Texas
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- Collection, analysis, and age-dating of sediment cores from 56 U.S. lakes and reservoirs sampled by the U.S. Geological Survey
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- Science data in support of environmental health studies in the U.S.-Mexico border region
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- Internet Map Service for environmental health in the U.S.-Mexico border region
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- Synthesis of rainfall and runoff data used for Texas Department of Transportation Research Projects
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- Atlas of depth-duration frequency of precipitation annual maxima for Texas
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- Literature review for Texas Department of Transportation research project
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- Interdisciplinary Science in Support of Environmental Health along the United States-Mexico Border
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- Compilation of historical water-quality data for selected springs in Texas, by ecoregion
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- Statistical characteristics of storm interevent time, depth, and duration for eastern New Mexico, Oklahoma, and Texas
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- Statewide analysis of the drainage-area ratio method for 34 streamflow percentile ranges in Texas
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- Two-dimensional resistivity investigation along West Fork Trinity River, Naval Air Station-Joint Reserve Base Carswell Field, Fort Worth, Texas
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- Major and trace elements in 35 lake and reservoir sediment cores from across the United States
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- Bibliography of ground-water references for all 254 counties in Texas, 1886-2001
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- Empirical, dimensionless, cumulative-rainfall hyetographs developed from 1959-86 storm data for selected small watersheds in Texas
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- Atlas of interoccurrence intervals for selected thresholds of daily precipitation in Texas
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- Water resources data, Texas
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- Areal-reduction factors for the precipitation of the 1-day design storm in Texas
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- Site-specific estimation of peak-streamflow frequency using generalized least-squares regression for natural basins in Texas
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- Inventory of gate-sensing equipment at 14 U.S. Army Corps of Engineers dams in Texas
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- Flood frequency in Texas-Calculation of peak-streamflow frequency at gaging stations
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