In cooperation with the City of Houston
Water-Quality Trends
in Suburban Houston, Texas,
1954-97, as Indicated by Sediment Cores
From Lake Houston
By P.C. Van Metre and D.A. Sneck-Fahrer
U.S. Geological Survey
Fact Sheet 040–02
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Lake Houston is a shallow reservoir on the San Jacinto River
Sediment Cores were collected from three locations in Lake Houston
Age-dating of sediment cores was done using the reservoir boundary
Streambed sediment samples were collected from seven sites on the six largest tributaries
PCBs were widely used in urban and industrial applications in the United States
PAHs are produced by combustion of hydrocarbons
DDT use in the United States peaked in about 1960
Trace element concentrations in core samples from Lake Houston
Contaminants in Streambed Sediment
Implications for Water Quality
Figures
Table
|
1. |
Comparison of maximum constituent concentrations in cores with sediment-quality guidelines |
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