OAR 340-204-0070: Special Control Areas

Edition: Current OARD snapshotEffective: 2015-04-16Last verified: 2026-09-07

The following areas are designated as Special Control Areas: (1) The counties within the Willamette Valley, including Benton, Clackamas, Columbia, Lane, Linn, Marion, Multnomah, Polk, Washington and Yamhill Counties; (2) Umpqua Basin; (3) Rogue Basin; (4) Within incorporated cities having a population of 4,000 or more, and within three miles of the corporate limits of any such city. NOTE: This rule is included in the State of Oregon Clean Air Act Implementation Plan that EQC adopted under OAR 340-200-0040.

Official history and status

Statutory/Other Authority: ORS 468 & 468A

Statutes/Other Implemented: ORS 468A.025

History: DEQ 7-2015, f. & cert. ef. 4-16-15 DEQ 14-1999, f. & cert. ef. 10-14-99, Renumbered from 340-021-0010 DEQ 10-1995, f. & cert. ef. 5-1-95 DEQ 4-1993, f. & cert. ef. 3-10-93 DEQ 16, f. 6-12-70, ef. 7-11-70

This rule cites

Cited by

Official source: https://secure.sos.state.or.us/oard/