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Current streamflow conditions in North Carolina.

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USGS IN YOUR STATE

USGS Water Science Centers are located in each state.

Water Resources of North Carolina

Welcome to the USGS North Carolina Water Science Center. These pages are your source for water-resource information collected and interpreted by the U.S. Geological Survey in North Carolina.

Click on a river basin to obtain real-time data.

Of Current Interest

New Publication: Relation of Watershed Setting and Stream Nutrient Yields

Sandy Run Tributary to Middle Swamp watershed, Greene County, NC

The U.S. Geological Survey conducted a cooperative study with the North Carolina Division of Water Quality to characterize relations between watershed settings and stream nutrient yields throughout central and eastern North Carolina. Stream yields of nitrate, total nitrogen (N), and total phosphorus (P) were compiled for 48 sites for the 1997 to 2008 study period. Compiled environmental data (including variables for land cover, hydrologic soil groups, streamflows, wastewater treatment facilities, and confined animal feeding operations) were used to characterize the watershed settings for the study sites.

Data analyses indicated that grouping and examining stream nutrient yields based on land-use classifications developed for the study can be useful for characterizing relations between watershed settings and nutrient yields. The analysis of data with four regression tree models further indicated that some of the environmental variables examined in the study were useful for predicting stream yields of nitrate, total N, and total P. The regression tree models can serve as a tool for relating differences in select watershed attributes to differences in stream nutrient yields, which can provide beneficial information for improving nutrient management in streams throughout North Carolina and for reducing nutrient loads to coastal waters.

Full text of the report:

SIR 2013-5007: Relation of Watershed Setting and Stream Nutrient Yields at Selected Sites in Central and Eastern North Carolina, 19972008

By Stephen L. Harden, Thomas F. Cuffney, Silvia Terziotti, and Katharine R. Kolb

Questions regarding the report can be directed to Stephen Harden, USGS, Raleigh, NC, at (919) 571-4051; e-mail slharden@usgs.gov

View 'Of Current Interest' Archive

Recent Publications

Naturally Occurring Contaminants in the Piedmont and Blue Ridge Crystalline-Rock Aquifers and Piedmont Early Mesozoic Basin Siliciclastic-Rock Aquifers, Eastern United States, 19942008 By Melinda J. Chapman, Charles A. Cravotta III, Zoltan Szabo, and Bruce D. Lindsey Scientific Investigations Report 20135072

Geophysical Logging and Geologic Mapping Data in the Vicinity of the GMH Electronics Superfund Site near Roxboro, North Carolina By Melinda J. Chapman, Timothy W. Clark, and John H. Williams Data Series 762

Water-Quality Characteristics, Trends, and Nutrient and Sediment Loads of Streams in the Treyburn Development Area, North Carolina, 19882009 By Jason M. Fine, Douglas A. Harned, and Carolyn J. Oblinger Scientific Investigations Report 20135062

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Podcasts

USGS CoreCast: Groundwater Awareness Week is March 6-12
From large drawdowns in the Great Plains aquifer to arsenic in some wells in New England, this episode of CoreCast highlights six different USGS groundwater studies all across the United States, including Wake County in North Carolina. (7.68 Mb)

Download podcast (right click - save as)
A transcript is available.

North Carolina Podcast Series