Protecting Oregon's Environment
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Oregon Department of Environmental Quality

Water Quality

Groundwater Protection


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Groundwater Protection

Groundwater is vital to the public health, economy, and environment of Oregon. Oregon’s groundwater has many uses including drinking water and other household uses, irrigation for crops, numerous industrial and commercial uses, and base flow to streams. In Oregon, the Department of Environmental Quality (DEQ) has the primary authority for groundwater quality protection.

Current News
  • 2011 Rogue Basin Groundwater Investigation Report - DEQ collected groundwater samples in the central portion of the Rogue Basin in 2011. This report provides results and recommendations based on analysis of the data collected and previous studies.
  • S. Deschutes/N. Klamath Groundwater Protection Project - DEQ is working with the community to protect the groundwater from nitrate contamination from traditional onsite septic wastewater treatment systems in southern Deschutes and northern Klamath counties.
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For more information about DEQ's Groundwater Program contact Rick Hill (Eastern Region) 541-278-4625 or 800-304-3513; Northwest Region 503-229-5263; Bill Mason (Western Region) 541-687-7427.

Oregon Department of Environmental Quality
Headquarters: 811 SW Sixth Ave., Portland, OR 97204-1390
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

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