Suspended sediment and metals removal from urban runoff by a small lake
Water Resources Bulletin
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Abstract
A small lake in the Chicago Metropolitan Area was from 91 to 95 percent efficient in removing suspended sediment and from 76 to 94 percent efficient in removing copper, iron, lead, and zinc from urban runoff. Sediments accumulated in the lake in the form of an organic-rich mud at an average rate of 20 millimeters per year; this reduced lake storage and covered potential habitat for aquatic organisms. Copper, lead, and zinc concentrations were closely associated with suspended-sediment concentrations and with silt- and clay-sized fractions of lake sediment. Although concentrations of mercury and cadmium were near detection limits in runoff, measurable concentrations of these metals accumulated in the lake sediments.A small lake in the Chicago Metropolitan Area was from 91 to 95 percent efficient in removing suspended sediment and from 76 to 94 percent efficient in removing copper, iron, lead, and zinc from urban runoff. Sediments accumulated in the lake in the form of an organic-rich mud at an average rate of 20 millimeters per year; this reduced lake storage and covered potential habitat for aquatic organisms. Copper, lead, and zinc concentrations were closely associated with suspended sediment concentrations and with silt- and clay-sized fractions of lake sediment. Although concentrations of mercury and cadmium were near detection limits in runoff, measurable concentrations of these metals accumulated in the lake sediments.
Suggested Citation
Striegl, R.G., 1987, Suspended sediment and metals removal from urban runoff by a small lake: Water Resources Bulletin, v. 23, no. 6, p. 985-996, https://doi.org/10.1111/j.1752-1688.1987.tb00848.x.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Suspended sediment and metals removal from urban runoff by a small lake |
| Series title | Water Resources Bulletin |
| DOI | 10.1111/j.1752-1688.1987.tb00848.x |
| Volume | 23 |
| Issue | 6 |
| Publication Date | June 08, 2007 |
| Year Published | 1987 |
| Language | English |
| Publisher | American Water Resources Association |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Water Resources Bulletin |
| First page | 985 |
| Last page | 996 |