| Abstract: | The U.S. Geological Survey, in cooperation with the District Department of the Environment (formerly the District of Columbia, Department of Health, Environmental Health Administration), conducted a ground-water-quality investigation in the Anacostia River watershed within Washington, D.C. Samples were collected and analyzed from 17 ground-water monitoring wells located within the study area from September through December 2005. Samples were analyzed for a variety of constituents including major ions, nutrients, volatile organic compounds, semivolatile organic compounds, pesticides and degradates, oil and grease, phenols, total polychlorinated biphenyls, and other selected constituents. The concentrations of major ions in the study area indicate that the ground water is predominantly calcium-bicarbonate type water, with some wells containing a higher percentage of milliequivalents per liter of iron (cation), and chloride or sulfate (anions). Concentrations of nitrogen were generally less than 1 milligram per liter, and concentrations of phosphorus were generally less than 0.5 milligrams per liter. Twelve of 79 pesticides and degradates were detected at 6 out of 17 wells. Volatile organic compounds (predominantly gasoline oxygenates and solvents) were detected in 9 of the 17 wells. Two semivolatile organic compounds, (bis(2-ethylhexyl) phthalate and total phenols), out of the 51 analyzed, were detected in the study area. |
| Genre: | USGS Numbered Series |
| ProdID: | 79838 |
| Citation Author: | Klohe, Cheryl A.; Debrewer, Linda M. |
| Citation Contributing Office: | USGS MD-DE-DC Water Science Center |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | vi, 65 p. |
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| Citation Public Comments: | Prepared in cooperation with the District Department of the Environment |
| Citation Publisher: | Geological Survey (U.S.) |
| Citation Series: | Open-File Report |
| Citation Series Code: | OFR |
| Citation Series Number: | 2006-1392 |
| Citation Search Results Text: | Summary of Ground-Water-Quality Data in the Anacostia River Watershed, Washington, D.C., September - December 2005; 2007; OFR; 2006-1392; Klohe, Cheryl A.; Debrewer, Linda M. |
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| Citation Year: | 2007 |
| Type: | citation/reference |
| Text: | Summary of Ground-Water-Quality Data in the Anacostia River Watershed, Washington, D.C., September - December 2005; 2007; OFR; 2006-1392; Klohe, Cheryl A.; Debrewer, Linda M. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| URL (INDEX PAGE): | http://pubs.usgs.gov/of/2006/1392/ |
| Date Other: | Tue, 24 Apr 2007 00:00 -0500 |
| Publisher: | Geological Survey (U.S.) |
