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Groundwater & Source Water Protection
Information on this site is provided for water systems and operators that utilize groundwater and protect groundwater sources. Also provided are downloadable tools and resources.

Domestic Well Safety

Find general information about private wells and learn how public health is improving local and state capacity to assess and manage risks associated with private wells

Groundwater
Information about groundwater including groundwater chemistry and hydrogeology, aquifer sensitivity (susceptibility) analysis, and well information.

Groundwater Under the Direct Influence of Surface Water (GWUDI)
Information about groundwater sources located close enough to nearby surface water to receive direct surface water recharge.

Source Water Protection
Information about source water protection including land use planning, source water assessment, and delineation of groundwater drinking water protection areas in Oregon.

Unregulated Contaminants
Information about unregulated contaminants, such as endocrine disrupting compounds, pharmaceutical drugs and personal care products, flame retardants, toxic chemicals, algal toxins, nanoparticles and hexavalent chromium.