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The original item was published from 2/15/2018 11:14:09 AM to 3/2/2018 12:00:02 AM.

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Posted on: February 15, 2018

[ARCHIVED] Environmental Monitoring in Local Rivers and Streams

Once every other month, Christian Chauvin and Luis Cañedo with the environmental sampling team strap on their safety gear and head out to the Willamette River, Amazon Channel, and other tributaries around the Eugene area. They are out on an important mission: protect public health and improve water quality through scientific monitoring.

Chauvin and Cañedo look for pollutants that make their way to the river through stormwater runoff. After hitting the ground, rain water can pick up a variety of pollutants before hitting the sewer system in- cluding oil and grease from cars, zinc from tires, pesticides, herbicides and fertilizers, basically anything that’s on the ground.

The samples are tested for a variety of parameters and analytes including physical properties, oxygen-depleting substances, nutrients, trace metals, microbiological organisms and organic compounds. The environmental data is summarized and included in the stormwater annual report.

This work is all part of the City’s stormwater management program. Staff use the data from the sampling and testing to prioritize program tasks to better protect public health, enhance water quality and

enhance fish and wildlife habitat.

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