SALEM, Ore. (KTVZ) – The State of Oregon, through collaboration between the Oregon Department of Environmental Quality, the Oregon Department of Agriculture, the Oregon Water Resources Department and ...

The faucet in Ana Maria Rodriguez's bathroom sink shows signs of corrosion in Boardman, Ore., Jan. 15, 2023. Many people who receive water from domestic wells in the Lower Umatilla Basin have worried ...

SALEM — After repeated requests from Morrow and Umatilla county residents and organizations for a statewide plan to address nitrate contamination in the Lower Umatilla Basin Groundwater Management ...

For decades, many residents of Eastern Oregon’s Morrow and Umatilla counties have relied on well water contaminated by nitrates, chemicals linked to cancers and thyroid disease — and especially ...

The herbicide chlorate has been used extensively to isolate mutants that are defective in nitrate reduction. Chlorate is a substrate for the enzyme nitrate reductase (NR), which reduces chlorate to ...