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Filtered surface water chemistry from the San Juan River watershed, 2021-2022, Four Corners USA

Dates

Publication Date
Start Date
2021-03-01
End Date
2022-12-01

Citation

Blake, J., Mixon, R., Ratigan, Z., and Shomour, A.A., 2024, Surface water chemistry from the San Juan River watershed, 2021-2022, Four Corners USA: U.S. Geological Survey data release, https://doi.org/10.5066/P937P08Q.

Summary

Elevated concentrations of metals including aluminum, arsenic, and lead were identified by Navajo Nation Environmental Protection Agency staff in the San Juan River from below the Navajo Dam, through the Navajo Nation to Mexican Hat, Utah in the Four Corners Region of the United States (Colorado, Arizona, New Mexico, Utah). An interdisciplinary team applied approaches and principles of geology, geochemistry, geomorphology, hydrology, and statistics to gain a better understanding of the tributaries supplying the source(s) of metals to the San Juan River. Water samples that were filtered with 0.45 micron filters were collected in single-siphon samplers and by grab sample at 41 ephemeral and perennial tributaries to the San Juan River [...]

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Filtered surface water chemistry data from the San Juan River watershed, 2021-2022, Four Corners USA.csv 108.37 KB text/csv

Purpose

These data were collected to help understand the source(s) of metals to the San Juan River. The filtered water samples were analyzed for comparison to unfiltered water sample results.

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