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Watershed- and Regional Scale Contamination

Graph of daily variation in stream flow at the Santa Cruz River at Trico Road, near Maranna, AZ.
The USGS and its partners conducted a study to determine the temporal occurrence and persistence of emerging contaminants in an effluent-dependent stream (Santa Cruz River at Trico Road, near Maranna, AZ). Sampling were collected at different points during the daily fluctuations for the stream.
-- from the Emerging Contaminants in the Environment Investigation

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Page Last Modified: Wednesday, 05-Aug-2015 11:15:59 EDT