Repository of Documents

Oregon

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Water Quality Standards, OAR Chapter 45, Division 041 (PDF) (1.0 MB, 139 pp.): (Effective July 2, 2007) Water quality standards, beneficial uses, policies, and criteria for the state of Oregon. Please note that some parts of this document are not effective for Clean Water Act purposes (see cover page for more information).
Water Quality Standards, OAR Chapter 45, Division 041: Figures (PDF) (7.7 MB, 28 pp.): (Effective March 2, 2004) Fish use and spawning use maps by basin for the state of Oregon.
Federal Regulations, 40 CFR 131.41: (Effective December 16, 2004) Federal regulations establishing bacteria criteria for coastal and Great Lakes waters. This regulation is also known as the Beach Rule.