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Mining Pollution Study on Lake Powell

Mining Pollution Study on Lake Powell
November 26
07:56 2018

USGS scientists collect sediment – photo: USGS

Lake Powell along the Utah-Arizona border is the location of a mining pollution study launched earlier this month. Researchers will test for levels of arsenic, cadmium, copper, mercury and lead by digging up the San Juan and Colorado River deltas to assess the metal concentrations, to gain a better understanding of how mining affects the lake and the fish that live in it.

Core processing hut provides a sheltered environment for scientists to process the cores for shipment to the National Lacustrine Core Facility – photo: USGS

The Utah Division of Water Quality will join the U.S. Geological Survey, the National Park Service and the U.S. Bureau of Reclamation on the project, with preliminary findings expected to be released in 2020. Results will be essential to understanding both historical and future water-quality issues that are linked to large changes in lake levels and re-mobilization of sediment. Findings will help resource managers make informed decisions on how to best manage Lake Powell.

















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