Water quality monitoring of Sweetwater and Loveland reservoirs--Phase one results 1998-1999
Open-File Report
2002-186
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Abstract
In 1998, the U.S. Geological Survey began a study to assess the overall health of the watershed feeding the Sweetwater Reservoir in southern San Diego County, California. The study focussed on monitoring for organic chemical contamination and the effects of construction and operation of State Route 125 on water quality. Three environmental compartments (air, water, and bed sediments) are being sampled regularly for chemical contaminants, including volatile organic compounds, polynuclear aromatic hydrocarbons, polychlorinated biphenyls, pesticides, and major and trace elements. The study is divided into two phases. Phase I sampling is designed to establish baseline conditions for target compounds in terms of detection frequency and concentration in air, water, and bed sediments. Phase II sampling will continue at the established monitoring sites during and after construction of State Route 125 to assess chemical impact on water quality in the reservoir resulting from land-use changes and development in the watershed. This report describes the study design, the sampling and analytical methods, and presents the data results for the first year of the study, September 1998 to September 1999.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Water quality monitoring of Sweetwater and Loveland reservoirs--Phase one results 1998-1999 |
| Series title | Open-File Report |
| Series number | 2002-186 |
| DOI | 10.3133/ofr02186 |
| Edition | - |
| Year Published | 2002 |
| Language | ENGLISH |
| Description | 133 p., 14 tables |
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