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Effects of storm-water runoff on local ground-water quality, Clarksville, Tennessee

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OSTI ID:6762782
 [1]
  1. Geological Survey, Nashville, TN (United States)
Water-quality data were collected at a drainage-well site and at a spring site in Clarksville, Tennessee, to define the effects of storm-water runoff on the quality of groundwater in the area. A dye-trace test verified the direct hydraulic connection between the drainage well and Mobley Spring. Samples of storm runoff and spring flow were collected at these sites for nine storms during the period February to October 1988. Water samples also were collected from two other springs and two observation wells in the area during dry-weather conditions to assess the general quality of groundwater in an urban karst terrane. Concentrations and loads for most major constituents were much smaller in storm-water runoff at the drainage well than in the discharge of Mobley Spring, indicating that much of the constituent load discharge from the spring comes from sources other than the drainage well. However, for some of the minor constituents associated with roadway runoff (arsenic, copper, lead, organic carbon, and oil; and grease), the drainage well contributed relatively large percentages of the loads of these constituents discharge at the spring. For the period February to October 1988, estimated loads of lead and organic carbon entering the drainage well totaled 0.45 and 660 pounds, respectively.
OSTI ID:
6762782
Country of Publication:
United States
Language:
English