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Fact Sheet 2014–3011

Prepared in cooperation with the South Carolina Department of Transportation

Characterization of Stormwater at Selected South Carolina Department of Transportation Maintenance Yards and Section Shed Facilities in Ballentine, Conway, and North Charleston, South Carolina, 2010–12

By Celeste A. Journey and Kevin J. Conlon

Thumbnail of and link to report PDF (8.02 MB)Abstract

Increased impervious surfaces (driveways, parking lots, and buildings) and human activities (residential, industrial, and commercial) have been linked to substantial changes in both the quality and quantity of stormwater on a watershed scale (Brabec and others, 2002; Pitt and Maestre, 2005). Small-scale storage and equipment repair facilities increase impervious surfaces that prevent infiltration of stormwater, and these facilities accommodate activities that can introduce trace metals, organic compounds, and other contaminants to the facility’s grounds. Thus, these small facilities may contribute pollutants to the environment during storm events (U.S. Environmental Protection Agency, 1992).

The South Carolina Department of Transportation (SCDOT) operates section shed and maintenance yard facilities throughout the State. Prior to this investigation, the SCDOT had no data to define the quality of stormwater leaving these facilities. To provide these data, the U.S. Geological Survey (USGS), in cooperation with the SCDOT, conducted an investigation to identify and quantify constituents that are transported in stormwater from two maintenance yards and a section shed in three different areas of South Carolina. The two maintenance yards, in North Charleston and Conway, S.C., were selected because they represent facilities where equipment and road maintenance materials are stored and complete equipment repair operations are conducted. The section shed, in Ballentine, S.C., was selected because it is a facility that stores equipment and road maintenance material. Characterization of the constituents that were transported in stormwater from these representative SCDOT maintenance facilities may be used by the SCDOT in the development of stormwater management plans for similar section shed and maintenance yard facilities throughout the State to improve stormwater quality.

First posted April 11, 2014

For additional information, contact:
Director, South Carolina Water Science Center
U.S. Geological Survey
Stephenson Center, Suite 129
720 Gracern Road
Columbia, SC 29210–7651

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Suggested citation:

Journey, C.A., and Colon, K.J., 2014, Characterization of stormwater at selected South Carolina Department of Transportation maintenance yards and section shed facilities in Ballentine, Conway, and North Charleston, South Carolina, 2010–12: U.S. Geological Survey Fact Sheet 2014–3011, 4 p.,

ISSN 2327-6932 (online)

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