OAR 340-041-0011: Biocriteria
Edition: Current OARD snapshotEffective: 2003-12-09Last verified: 2026-09-07
Waters of the State must be of sufficient quality to support aquatic species without detrimental changes in the resident biological communities.
Official history and status
Statutory/Other Authority: ORS 468.020, 468B.030, 468B.035 & 468B.048
Statutes/Other Implemented: ORS 468B.030, 468B.035 & 468B.048
History: Renumbered from 340-041-0027 by DEQ 17-2003, f. & cert. ef. 12-9-03 DEQ 14-1991, f. & cert. ef. 8-13-91
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Official source: https://secure.sos.state.or.us/oard/