Four Weeks of Groundwater Blending Tests On Tuesday, August 4th, Portland Water Bureau began adding groundwater from the Columbia South Shore Well Field…...
Four Weeks of Groundwater Blending Tests
On Tuesday, August 4th, Portland Water Bureau began adding groundwater from the Columbia South Shore Well Field to the city’s Bull Run-sourced drinking water. Officials are making this change to test well equipment ahead of a likely seasonal need to supplement the water supply. Repeated activations, lasting around 10 hours, ensure crews can repair any deficient equipment before lowering reservoir levels or an emergency triggers a demand for well water.
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