U.S. GEOLOGICAL SURVEY
Data Series 301
Ground-Water Quality Data in the Southern Sierra Study Unit, 2006—Results from the California GAMA Program
Prepared in cooperation with the California State Water Resources Control Board
By Miranda S. Fram and Kenneth Belitz
Table of Contents
Abbreviations and Acronyms
Abstract
Introduction
Hydrogeologic Setting
Methods
Ground-Water Quality Results
Summary
References Cited
Appendix
Figures
Figure 1. The hydrogeologic provinces of California and the location of the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study unit (black area).
Figure 2. The Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study unit showing the California Department of Water Resources ground-water basins within the study unit and major hydrologic features.
Figure 3. The Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study unit showing the 1.86-mile buffer zones around all public-supply wells, the distribution of study area grid cells, and the location of sampled grid wells.
Figure 4. The Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study unit showing the 1.86-mile buffer zones around all public-supply wells, the distribution of study area grid cells, and the location of sampled flow-path wells.
Tables
Table 1. Identification, sampling, and construction information for wells sampled for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 79KB)
Table 2. Classes of chemical and microbial constituents and water-quality indicators collected for the slow, intermediate, and fast well sampling schedules in the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 43KB)
Table 3A. Volatile organic compounds and gasoline additives, primary uses or sources, comparative thresholds, and reporting information for the USGS National Water Quality Laboratory schedule 2020. (PDF, 121KB)
Table 3B. Gasoline oxygenates and degradates, primary uses or sources, comparative thresholds, and reporting information for the USGS National Water Quality Laboratory schedule 4024. (PDF, 40KB)
Table 3C. Pesticides and pesticide degradates, primary uses or sources, comparative thresholds, and reporting information for the USGS National Water Quality Laboratory schedule 2003. (PDF, 89KB)
Table 3D. Pharmaceutical compounds, primary uses or sources, comparative thresholds, and reporting information for the USGS National Water Quality Laboratory schedule 2080. (PDF, 46KB)
Table 3E. Wastewater-indicator compounds, primary uses or sources, comparative thresholds, and reporting information for the USGS National Water Quality Laboratory schedule 1433. (PDF, 95KB)
Table 3F. Constituents of special interest, primary uses or sources, comparative thresholds, and reporting information for the Montgomery Watson-Harza Laboratory. (PDF, 33KB)
Table 3G. Nutrients and dissolved organic carbon, comparative thresholds, and reporting information for the USGS National Water Quality Laboratory schedule 2755 and parameter code 2613. (PDF, 37KB)
Table 3H. Major and minor ions and trace elements, comparative thresholds, and reporting information for the USGS National Water Quality Laboratory schedule 1948. (PDF, 61KB)
Table 3I. Arsenic, chromium, and iron species, comparative thresholds, and reporting information for the USGS Trace Metal Laboratory, Boulder, Colorado. (PDF, 37KB)
Table 3J. Isotopic and radioactive constituents, comparative thresholds, and reporting information for laboratories. (PDF, 68KB)
Table 3K. Noble gases and tritium, comparison thresholds, and reporting information for the Lawrence Livermore National Laboratory. (PDF, 37KB)
Table 3L. Microbial constituents, comparison thresholds, and reporting information for the USGS Ohio Microbiology Laboratory parameter codes 90901, 90900, 99335, and 99332. (PDF, 35KB)
Table 4. Water-quality indicators in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 95KB)
Table 5. Volatile organic compounds (VOCs), and gasoline oxygenates and degradates detected in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 76KB)
Table 6. Pesticides and pesticide degradates detected in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 48KB)
Table 7. Pharmaceutical compounds detected in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 40KB)
Table 8. Constituents of special interest [Perchlorate, N-Nitrosodimethylamine (NDMA), and 1,2,3-Trichloropropane (1,2,3-TCP)] detected in samples collected in the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 42KB)
Table 9. Nutrients and dissolved organic carbon detected in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 58KB)
Table 10. Major and minor ions and dissolved solids detected in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 77KB)
Table 11. Trace elements detected in ground-water samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, July to September 2006. (PDF, 108KB)
Table 12. Species of inorganic arsenic, iron, and chromium in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 61KB)
Table 13. Results for analyses of stable isotope ratios and tritium and carbon-14 activities in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June. (PDF, 108KB)
Table 14. Radioactive constituents detected in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 44KB)
Table 15. Microbial indicators detected in samples collected for the Southern Sierra Groundwater Ambient Monitoring and Assessment (GAMA) study, California, June 2006. (PDF, 30KB)
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Send questions or comments about this report to the author, Miranda Fram, (916) 278-3088.
U.S. Department of the Interior | U.S. Geological Survey
