Gresham Water Operations Manager on changing the city's water source
from OPB Audio Hosted by Oregon Public Broadcasting
Last spring, the city of Gresham changed its primary water source from the Bull Run Watershed to groundwater by expanding its current groundwater system. Before the switch, groundwater was primarily used as a backup resource during summer months. The choice to separate from Portland’s water systems stems from Portland’s 2017 decision to build a new water filtration plant after the Oregon Health Authority ordered the city to treat its drinking water for the parasite cryptosporidium. But the change has been noticeable to some Gresham residents. Groundwater is harder than the water from the Bull Run Watershed due to higher mineral content, and the treatment method changed along with the source, which has left some Gresham residents tasting or smelling the shift. We’ll speak with Steve Walker, Gresham's water operations manager, for more information on the switch and what Gresham residents can expect.
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