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The City of Portland, Oregon

Portland Water Bureau

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Helping Customers to be Better Water Stewards

The Water Bureau's Education Program Manager explains the distribution of the earth’s limited freshwater resources.

The Portland Water Bureau, in partnership with the Columbia Slough Watershed Council, held another successful Groundwater 101 workshop on Nov. 12.

Thirty-four members of the public spent their Saturday morning learning about local geology and hydrology, the important role of groundwater in the region’s water supply, and steps that can be taken to help protect the city’s drinking water.

Left: Workshop participants test different water samples for total hardness.
Right: The Water Bureau's Groundwater Protection Program Manager demonstrates how improperly managed pollutants can impact underground sources of drinking water.

Participants benefitted from the interactive program, including tasting the differences in water from different sources, testing the same water for total hardness, and seeing the inside of a production well vault.

The bureau offers this half-day program every fall, but this year’s workshop was particularly relevant after a historic 2015 summer supply run from the Columbia South Shore Well Field—nearly six billion gallons of drinking water supplied over 129 days.   

To learn more about the Groundwater 101 workshop and other activities and events, visit


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