EDWARDS AQUIFER

• Current Studies
  • Barton Springs Groundwater Characterization Project
  • Stormwater Runoff
  • Hydrogeology of the Edwards aquifer
  • Evaluation of Seco Creek Basin
  • South-Central Texas (Edwards) NAWQA
  • Hydrogeology of Medina Lake, Medina-Bandera Counties

• Publications
  • Water-Related USGS Reports
  • Comprehensive Bibliography

• Other Resources
  • Levels from San Antonio Water System (SAWS)
  • Level from Edwards Aquifer Authority (EAA)
  • Geologic Discipline Edwards Project Web Site
  • Recharge Summary

QUICK LINKS

• Edwards Aquifer & Barton Springs
  • Barton Springs Groundwater Characterization Project
  • Edwards Aquifer WQ & Bio Data Clearinghouse

• Biology & Environment
  • TX Gulf Coast
  • Big Bend
  • Big Thicket Preserve
  • Rio Grande/Rio Bravo Water Resources Database
  • US/Mexico Border

• BEHI (Border Environmental Health Initiative)
  • Internet Mapping Service
  • 2006 Fact Sheet

• Information Quality Requests

USGS IN YOUR STATE

USGS Water Science Centers are located in each state.

USGS Texas Publications - Edwards Aquifer

1. Ging, P.B., 1999, Quality of stormwater runoff from an urbanizing watershed and a rangeland watershed in the Edwards aquifer recharge zone, Bexar and Uvalde Counties, Texas, 1966–98: U.S. Geological Survey Open-File Report 99–245, 2 p.
   
Entire Document
2. Ockerman, D.J., Petri, B.L., and Slattery, R.N., 1999, Stormwater runoff for selected watersheds in the Edwards aquifer recharge zone, Bexar County, Texas, 1996–98: U.S. Geological Survey Fact Sheet FS–172–98, 6 p.
   
Abstract or Entire Document
3. Cederberg, J.R., Ging, P.B., and Ourso, R.T., 1998, Monitoring of selected water-quality constituents near the freshwater/saline-water interface of the Edwards aquifer, July 1996–December 1997: U.S. Geological Survey Fact Sheet FS–103–98, 4 p.
   
Entire Document
4. Clark, A.K., and Small, T.A., 1997, Geologic framework of the Edwards aquifer and upper confining unit, and hydrogeologic characteristics of the Edwards aquifer, south-central Uvalde County, Texas: U.S. Geological Survey Water-Resources Investigations Report 97–4094, 11 p., 1 pl.
   
Abstract
5. Groschen, G.E., and Buszka, P.M., 1997, Hydrogeologic framework and geochemistry of the Edwards aquifer saline-water zone, south-central Texas: U.S. Geological Survey Water-Resources Investigations Report 97–4133, 47 p.
   
Abstract
6. Brown, D.S., and Patton, J.T., 1996, Recharge to and discharge from the Edwards aquifer in San Antonio area, Texas, 1995: U.S. Geological Survey Open-File Report 96–181, 2 p.
   
Abstract
7. Groschen, G.E., 1996, Hydrogeologic factors that affect the flowpath of water in selected zones of the Edwards aquifer, San Antonio region, Texas: U.S. Geological Survey Water-Resources Investigations Report 96–4046, 73 p., 3 pl.
   
Abstract
8. Small, T.A., Hanson, J.A., and Hauwert, N.M., 1996, Geologic framework and hydrogeologic characteristics of the Edwards aquifer outcrop (Barton Springs segment), northeastern Hays and southwestern Travis Counties, Texas: U.S. Geological Survey Water-Resources Investigations Report 96–4306, 15 p.,1 pl.
   
Abstract
9. Hanson, J.A., and Small, T.A., 1995, Geologic framework and hydrogeologic characteristics of the Edwards aquifer outcrop, Hays County, Texas: U.S. Geological Survey Water-Resources Investigations Report 95–4265, 10 p., 1 pl.
   
Abstract
10. Maclay, R.W., 1995, Geology and hydrology of the Edwards aquifer in the San Antonio area, Texas: U.S. Geological Survey Water-Resources Investigations Report 95–4186, 64 p., 12 pl.
    
Abstract
11. Menard, J.A., 1995, Bibliography of the Edwards aquifer, Texas, through 1993: U.S. Geological Survey Open-File Report 95–336, 75 p.
    
Abstract
12. Stein, W.G., and Ozuna, G.B., 1995, Geologic framework and hydrogeologic characteristics of the Edwards aquifer recharge zone, Bexar County, Texas: U.S. Geological Survey Water-Resources Investigations Report 95–4030, 8 p., 1 pl.
    
Abstract
13. Groschen, G.E., 1994, Analysis of data from test-well sites along the downdip limit of freshwater in the Edwards aquifer, San Antonio, Texas, 1985–87: U.S. Geological Survey Water-Resources Investigations Report 93–4100, 92 p.
    
Abstract
14. Small, T.A., and Hanson, J.A., 1994, Geologic framework and hydrogeologic characteristics of the Edwards aquifer outcrop, Comal County, Texas: U.S. Geological Survey Water-Resources Investigations Report 94–4117, 10 p., 1 pl.
    
Abstract
15. Brown, D.S., Petri, B.L., and Nalley, G.M., 1992, Compilation of hydrologic data for the Edwards aquifer, San Antonio area, Texas, 1991, with 1934–91 summary: Edwards Underground Water District Bulletin 51, 169 p.
    
16. Reeves, W.E., and Land, L.F., 1992, Summary of hydrologic data for the San Gabriel River Basin and Edwards aquifer, Georgetown area, Texas, water year 1990: U.S. Geological Survey Open-File Report 92–160, 1 sheet.
    
17. Roddy, W.R., 1992, Water quality of the Edwards aquifer and streams recharging the aquifer in the San Antonio region, Texas: U.S. Geological Survey Hydrologic Investigations Atlas HA–723, 3 sheets, scale 1:500,000.
    
18. Brown, D.S., Gilhousen, Jr., and Nalley, G.M., 1991, Compilation of hydrologic data for the Edwards aquifer, San Antonio area, Texas, 1990, with 1934–90 summary: Edwards Underground Water District Bulletin 50, 169 p.
    
19. Land, L.F., and Dorsey, M.E., 1989, Summary of hydrologic data for the San Gabriel River Basin and Edwards aquifer, Georgetown area, Texas, water year 1988: U.S. Geological Survey Open-File Report 89–226, 1 sheet.
    
20. Land, L. F., and Dorsey, M. E., 1988, Reassessment of the Georgetown Limestone as a hydrogeologic unit of the Edwards aquifer, Georgetown area, Texas: U.S. Geological Survey Water-Resources Investigations Report 88–4190, 49 p.
    
21. Maclay, R.W., and Land, L.F., 1988, Simulation of flow in the Edwards aquifer, San Antonio region, Texas, and refinement of storage and flow concepts: U.S. Geological Survey Water-Supply Paper 2336–A, 48 p.
    
22. Nalley, G.M., and Rettman, P.L., 1988, Compilation of hydrologic data for the Edwards aquifer, San Antonio area, Texas, with 1934-87 summary: Edwards Underground Water District Bulletin 47, 154 p.
    
23. Ozuna, G.B., Nalley, G.M., and Stein, W.G., 1988, Compilation of hydrologic data for the Edwards aquifer, San Antonio area, Texas, 1986, with 1934-86 summary: Edwards Underground Water District Bulletin 46, 147 p.
    
24. Buszka, P. M., 1987, Relation of water chemistry of the Edwards aquifer to hydrogeology and land use, San Antonio region, Texas: U.S. Geological Survey Water-Resources Investigations Report 87–4116, 100 p.
    
25. Dorsey, M.E., and Slagle, D.L., 1987, Hydrologic and geologic data for the Edwards aquifer recharge zone near Georgetown, Williamson County, Texas, 1986–87: U.S. Geological Survey Open-File Report 87–691, 64 p.
    
26. Maclay, R.W., and Land, L.F., 1987, Simulation of flow in the Edwards aquifer, San Antonio region, Texas, and refinement of storage and flow concepts: U.S. Geological Survey Open-File Report 86–532, 86 p.
    
27. Ozuna, G.B., Nalley, G.M., and Bowman, M.N., 1987, Compilation of hydrologic data for the Edwards aquifer, San Antonio area, Texas, 1985, with 1934-85 summary: Edwards Underground Water District Bulletin 45, 163 p.
    
28. Pavlicek, Dianne, Small, T.A., and Rettman, P.L., 1987, Hydrogeologic data from a study of the freshwater zone/salinewater zone interface in the Edwards aquifer, San Antonio region, Texas: U.S. Geological Survey Open-File Report 87–389, 108 p.
    
29. Baker, E.T., Jr., Slade, R.M., Jr., Dorsey, M.E., and Ruiz, L.M., U.S. Geological Survey, and Duffin, G.L., Texas Water Development Board, 1986, Geohydrology of the Edwards aquifer in the Austin area, Texas: Texas Water Development Board Report 293, 217 p.
    
30. Burchett, C.R., Rettman, P.L., and Boning, C.W., 1986, The Edwards aquifer, extremely productive, but....a sole-source water supply for San Antonio and surrounding counties in south-central Texas: Edwards Underground Water District Report, 38 p.
    
31. Maclay, R.W., and Small, T.A., 1986, Carbonate geology and hydrology of the Edwards aquifer in the San Antonio area, Texas: Texas Water Development Board Report 296, 90 p.
    
32. Perez, Roberto, 1986, Potential for updip movement of salinewater in the Edwards aquifer, San Antonio, Texas: U.S. Geological Survey Water-Resources Investigations Report 86–4032, 21 p.
    
33. Reeves, R.D., and Ozuna, G.B., 1986, Compilation of hydrologic data for the Edwards aquifer, San Antonio area, Texas, 1983–84, with 1934-84 summary: Edwards Underground Water District Bulletin 43-44, 235 p.
    
34. Slade, R.M., Jr., Dorsey, M.E., and Stewart, S.L., 1986, Hydrology and water quality of the Edwards aquifer associated with Barton Springs in the Austin area, Texas: U.S. Geological Survey Water-Resources Investigations Report 86–4036, 117 p.
    
35. Slagle, D.L., Ardis, A.F., and Slade, R.M., Jr., 1986, Recharge zone of the Edwards aquifer hydrologically associated with Barton Springs in the Austin area, Texas: U.S. Geological Survey Water-Resources Investigations Report 86–4062, 1 sheet.
    
36. Small, T.A., 1986, Hydrogeologic sections of the Edwards aquifer and its confining units in the San Antonio area, Texas: U.S. Geological Survey Water-Resources Investigations Report 85–4259, 52 p.
    
37. Ardis, A.F., and Slagle, D.L., 1985, Delineation of the outcrop of the Edwards aquifer associated with Barton Springs in the Austin region, Texas: U.S. Geological Survey Open-File Report 85–643, 1 sheet.
    
38. Reeves, R.D., and Ozuna, G.B., 1985, Records of ground-water recharge, discharge, water levels, and chemical quality of water for the Edwards aquifer in the San Antonio area, Texas, 1934-82: Edwards Underground Water District Bulletin 42, 131 p.
    
39. Slade, R.M., Jr., Ruiz, Linda, and Slagle, Diana, 1985, Simulation of the flow system of Barton Springs and associated Edwards aquifer in the Austin area, Texas: U.S. Geological Survey Water-Resources Investigations Report 85–4299, 49 p.
    
40. Small, T.A., 1985, Identification and tabulation of geological contacts in the Edwards aquifer, San Antonio area, Texas: Texas Department of Water Resources LP-199, 54 p.
    
41. Wells, F.C., 1985, Statistical summary of water-quality data collected from selected wells and springs in the Edwards aquifer near San Antonio, Texas: U.S. Geological Survey Open-File Report 85–182, 162 p.
    
42. Andrews, F.L., Schertz, T.L., Slade, R.M., Jr., and Rawson, Jack, 1984, Effects of storm-water runoff on water quality of the Edwards aquifer near Austin, Texas: U.S. Geological Survey Water-Resources Investigations Report 84–4124, 50 p.
    
43. Land, L.F., 1984, Proposed 10–year plan for continuation of hydrologic studies of the Edwards aquifer, San Antonio area, Texas: U.S. Geological Survey Open-File Report 84–817, 26 p.
    
44. Maclay, R.W., and Small, T.A., 1984, Carbonate geology and hydrology of the Edwards aquifer in the San Antonio area, Texas: U.S. Geological Survey Open-File Report 83–537, 72 p.
    
45. Reeves, R.D., Maclay, R.W., and Ozuna, G.B., 1984, Records of ground-water recharge, discharge, water levels, and chemical quality of water for the Edwards aquifer in the San Antonio area, Texas, 1934-81: Edwards Underground Water District Bulletin 41, 135 p.
    
46. Small, T.A., 1984, Identification and tabulation of geological contacts in the Edwards aquifer, San Antonio area, Texas: U.S. Geological Survey Open-File Report 84–075, 54 p.
    
47. Reeves, R.D., Maclay, R.W., and Davis, M.F., 1982, Records of ground-water recharge, discharge, water levels, and chemical quality of water for the Edwards aquifer in the San Antonio area, Texas, 1934-80: Edwards Underground Water District Bulletin 40, 128 p.
    
48. Small, T.A., and Maclay, R.W., 1982, Test-hole data for the Edwards aquifer in the San Antonio area, Texas: Texas Department of Water Resources LP-171, 153 p.
    
49. Maclay, R.W., Small, T.A., and Rettman, P.L., 1981, Application and analysis of borehole data for the Edwards aquifer in the San Antonio area, Texas: Texas Department of Water Resources LP-139, 88 p.
    
50. Reeves, R.D., Maclay, R.W., Grimm, K.C., and Davis, M.F., 1981, Records of ground-water recharge, discharge, water levels, and chemical quality of water for the Edwards aquifer in the San Antonio area, Texas, 1934-79: Edwards Underground Water District Bulletin 39, 133 p.
    
51. Maclay, R.W., Rettman, P.L., and Small, T.A., 1980, Hydrochemical data for the Edwards aquifer in the San Antonio area, Texas: Texas Department of Water Resources LP-131, 38 p.
    
52. Maclay, R.W., Small, T.A., and Rettman, P.L., 1980, Water-level, recharge, discharge, specific-capacity, well-yield, and aquifer-test data for the Edwards aquifer in the San Antonio area, Texas: Texas Department of Water Resources LP-133, 83 p.
    
53. Reeves, R.D., Maclay, R.W., Grimm, K.C., and Davis, M.F., 1980, Records of ground-water recharge and discharge, 1934-78; water levels, 1975-78; and chemical quality of water, 1977-78, for the Edwards aquifer in the San Antonio area, Texas: Edwards Underground Water District Bulletin 38, 53 p.
    
54. Maclay, R.W., and Rappmund, R.A., 1979, Records of ground-water recharge and discharge for the Edwards aquifer in the San Antonio area, Texas, 1934-77: Edwards Underground Water District Bulletin 37, 21 p.
    
55. Puente, Celso, 1978, Method of estimating natural recharge to the Edwards aquifer in the San Antonio area, Texas: U.S. Geological Survey Water-Resources Investigations 78–10, 34 p.
    
56. Maclay, R.W., and Small, T.A., 1976, Progress report on geology of the Edwards aquifer, San Antonio area, Texas, and preliminary interpretation of borehole geophysical and laboratory data on carbonate rocks: U.S. Geological Survey Open-File Report 76–627, 65 p.
    
57. Puente, Celso, 1976, Statistical analyses of water level, springflow, and streamflow data for the Edwards aquifer in south-central Texas: U.S. Geological Survey Open-File Report 76–393, 58 p.
    
58. Puente, Celso, 1976, Statistical analysis of water-level, springflow, and streamflow data for the Edwards aquifer in south-central Texas: Edwards Underground Water District Report, 58 p.
    
59. Pearson, F.J., Jr., Rettman, P.L., and Wyerman, T.A., 1975, Environmental tritium in the Edwards aquifer, central Texas, 1963–71: U.S. Geological Survey Open-File Report 74–362, 32 p.
    
60. Pearson, F.J., Jr., Rettman, P.L., and Wyerman, T.A., 1975, Environmental tritium in the Edwards aquifer, central Texas, 1963-71: Edwards Underground Water District Report, 32 p.
    
61. Puente, Celso, 1975, Relation of precipitation to annual ground-water recharge in the Edwards aquifer, San Antonio area, Texas: U.S. Geological Survey Open-File Report 75–298, 31 p.
    
62. Nalley, G.M., , Compilation of hydrologic data for the Edwards aquifer, San Antonio area, Texas, 1988, with 1934-88 summary: Edwards Underground Water District Bulletin 48, 157 p.
    
63. Nalley, G.M., and Thomas, M.W., , Compilation of hydrologic data for the Edwards aquifer, San Antonio area, Texas, 1989, with 1934-89 summary: Edwards Underground Water District Bulletin 49, 155 p.