| Abstract: | B. Everett Jordan Lake, a 13,900-acre reservoir in the north-central Piedmont of North Carolina, was completed in February 1982. Hydrologic data were collected at four inflow sites and one outflow site to define water-quality characteristics. Data include streamflow data and 56 physical and chemical characteristics of streamwater. Concentrations of some constituents at inflow sites were as much as 83-times greater than background concentrations in streams relatively unaffected by man. At the outflow site, however, some of these constituents were only as much as 6-times greater. The minimum dissolved-oxygen concentration measured at an inflow site was 1.0 mg/L, whereas the minimum concentration measured at the outflow site was 4.9 mg/L. Significant differences in other physical characteristics between inflow and outflow sites include a reduction in maximum concentration of suspended sediment from 2,360 mg/L in an inflow sample to 130 mg/L at the outflow site and a reduction of maximum specific conductance values from more than 1,100 microsiemens/centimeter in an inflow sample to 301 microsiemens/centimeter in outflow. The maximum concentration of total nitrogen at inflow sites was 27.0 mg/L compared with 3.2 mg/L at the outflow site. The maximum total phosphorus concentration at inflow sites was 13.0 mg/L compared with 0.6 mg/L at the outflow site. Average annual loads of total nitrogen and total phosphorus in the outflow were as much as 67% and 40% of inflow loads, respectively. Maximum yields at an inflow site were 5.8 t/sq mi (tons per square mile) for nitrogen and 1.4 t/sq mi for phosphorus. Yields of these constituents at the outflow site were 1.5 and 0.2 t/mi, respectively. |
| Genre: | USGS Numbered Series |
| ProdID: | 27249 |
| Citation Author: | Garrett, R. G. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | v, 49 p. :ill. ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey ;
Books and Open-File Reports [distributor], |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 90-4096 |
| Citation Search Results Text: | Water-quality characteristics of inflow to and outflow from B Everett Jordan Lake, North Carolina, 1982-86; 1990; WRI; 90-4096; Garrett, R. G. |
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| Citation Year: | 1990 |
| Type: | citation/reference |
| Text: | Water-quality characteristics of inflow to and outflow from B Everett Jordan Lake, North Carolina, 1982-86; 1990; WRI; 90-4096; Garrett, R. G. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/wri/1990/4096/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/wri/1990/4096/report.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey ;
Books and Open-File Reports [distributor], |
