Nitrate testing, treatment, and water delivery for the Lower Umatilla Basin

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The Oregon Health Authority (OHA) is working with its partners the Oregon Department of Human Services, Morrow County Public Health Department, Umatilla County Health Department, and community based organizations to provide free safe water services to households impacted by high nitrate levels in northern Morrow and northwestern Umatilla counties. This is the area known as the Lower Umatilla Basin Groundwater Management Area (LUBGWMA). Nitrate levels at or over 10 milligrams per liter (mg/L) can cause serious health issues, especially for pregnant people and babies.

This page covers data and news related to OHA's work in the LUBGWMA. Explore the data dashboard below, or scroll down to see the latest news. Please allow a few moments for the dashboard to fully load. Use the buttons on the bottom toolbar to navigate between pages. You can also view the dashboard in full-screen mode.

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