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Oregon Drinking Water Rules and Regulations
Oregon Administrative Rules (OARs) for Public Water Systems
ORS 448.131 authorizes the Department of Human Services-Drinking Water Program (DHS-DWP) to adopt administrative rules to insure safe drinking water. OAR Chapter 333, Division 061 are reserved for regulations regarding Public Water Systems, and were last amended on April 19th, 2010. Available for download as PDFs are the Table of Contents and the complete rules. Specific portions of the rules are also available below, and are ordered by section number. NOTE: Specific portions might include more than one section of the rules.