Download or read book Groundwater Quality Data for the Tahoe Martis Study Unit 2007 written by Miranda Susan Fram and published by . This book was released on 2009 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Status and Understanding of Groundwater Quality in the Tahoe Martis Central Sierra and Southern Sierra Study Units 2006 2007 written by Miranda Susan Fram and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Status and Understanding of Groundwater Quality in the Sierra Nevada Regional Study Unit 2008 written by Miranda Susan Fram and published by . This book was released on 2014 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater quality in the Sierra Nevada Regional (SNR) study unit was investigated as part of the California State Water Resources Control Board's Groundwater Ambient Monitoring and Assessment Program Priority Basin Project. The study was designed to provide statistically unbiased assessments of the quality of untreated groundwater within the primary aquifer system of the Sierra Nevada. The primary aquifer system for the SNR study unit was delineated by the depth intervals over which wells in the State of California's database of public drinking-water supply wells are open or screened. Two types of assessments were made: (1) a status assessment that described the current quality of the groundwater resource, and (2) an evaluation of relations between groundwater quality and potential explanatory factors that represent characteristics of the primary aquifer system. The assessments characterize untreated groundwater quality, rather than the quality of treated drinking water delivered to consumers by water distributors. The status assessment was based on water-quality data collected by the U.S. Geological Survey from 83 wells in the SNR study unit in 2008 and from 117 wells in 3 small study units within the SNR study unit in 2006-07 and on water-quality data compiled in the State's database for 1,066 wells sampled in 2006-08. To provide some context for the results, water-quality data were converted to relative-concentrations (RCs), which are the sample concentrations divided by the concentrations of Federal or California regulatory and non-regulatory benchmarks for drinking-water quality. RCs for inorganic constituents (major ions, trace elements, nutrients, and radioactive constituents) were classified as "high" (RC > 1.0, indicating that concentration is above the benchmark), "moderate" (1.0 ≥ RC > 0.5), or "low" (RC ≤ 0.5). For organic constituents (volatile organic compounds and pesticides) and special-interest constituents (perchlorate and N-nitrosodimethylamine [NDMA]), the boundary between moderate and low RCs was set at 0.1. All benchmarks used for organic constituents were health-based, whereas health-based and aesthetic-based benchmarks were used for inorganic constituents. The primary metric used for quantifying regional-scale groundwater quality was "aquifer-scale proportion." Aquifer-scale proportions were calculated as the areal percentages of the primary aquifer system having high, moderate, and low RCs for a given constituent or class of constituents. The SNR study unit area was classified into four aquifer lithologic types--granitic rocks, metamorphic rocks, sedimentary deposits, and volcanic rocks--and aquifer-scale proportions were calculated on an area-weighted basis for each of the four aquifer lithologies and for the study unit as a whole (aggregated system). The results of the status assessment indicated that inorganic constituents were present at high and moderate RCs in greater proportions in the SNR study unit aggregated primary aquifer system than were organic constituents and that there were significant differences (p

Download or read book Groundwater quality in the Tahoe and Martis basins California written by Miranda Susan Fram and published by . This book was released on 2012 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Ground water Quality Data in the San Francisco Bay Study Unit 2007 written by Mary C. Ray and published by . This book was released on 2009 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Groundwater quality Data in Seven GAMA Study Units written by Robert Kent and published by . This book was released on 2014 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Ground water Quality Data in the Coachella Valley Study Unit 2007 written by Dara A. Goldrath and published by . This book was released on 2009 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Managing California s Water written by Ellen Hanak and published by Public Policy Instit. of CA. This book was released on 2011 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Groundwater quality Data in the Santa Cruz San Gabriel and Peninsular Ranges Hard Rock Aquifers Study Unit 2011 2012 written by Tracy A. Davis and published by . This book was released on 2014 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book California Basins written by United States. National Resources Committee. Water Resources Committee and published by . This book was released on 1937 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book California Water Plan Update written by California. Department of Water Resources and published by . This book was released on 1994 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Environmental Tracers written by Trevor Elliot and published by MDPI. This book was released on 2018-10-08 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Environmental Tracers" that was published in Water

Download or read book Groundwater Dynamics in Hard Rock Aquifers written by Shakeel Ahmed and published by Springer Science & Business Media. This book was released on 2008-11-18 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the results and findings of the advanced research carried out in a pilot area with a thorough investigation of the structure and functioning of an aquifer in a granitic formation. It characterizes the hard rock aquifer system and examines its properties and behavior as well as systematically details the geophysical, geological and remote sensing applications to conceptualize such an aquifer system.

Download or read book Channel Processes written by Asher P. Schick and published by . This book was released on 1984 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Tracer Hydrology 97 written by A. Kranjc and published by CRC Press. This book was released on 2020-08-26 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of papers is the proceedings of the 7th International Synosium on Water Tracing in Portoroz/Slovenia from 26-31 May 1997. They address a number of topics in hydrology tracing techniques including: protection of natural resources against pollution; the use of natural and artificial tracers to help to assess contaminant transport in surface waters; and aquifer parameters and modelling.

Download or read book The Newlands Project written by William Joe Simonds and published by . This book was released on 1996 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Groundwater Quality written by Harriet Nash and published by Springer. This book was released on 1994-10-31 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater quality monitoring and testing is of paramount importance both in the developed and developing world. This book presents a series of papers illustrating the varied nature of current research into groundwater quality. Urban and rural supplies are covered through a case history approach, and the importance of remedial action to prevent deterioration is emphasized.