WAC 173-425 prohibits outdoor burning in cities with a population of greater than 10,000 and their Urban Growth Areas. Prohibitions also apply to adjacent areas with a population density of one thousand or more persons per square mile and areas with a reasonable alternative to burning. As of January 1, 2007 urban growth areas for incorporated cities with populations less than 5,000 also become no burn areas.
May 4, 2016: Castle Rock, Longview-Kelso, and Woodland
January 2007:As of January 1, 2007 Castle Rock, Woodland and their surrounding urban growth areas will become no burn areas with the exception of recreational fires under 3'x3'x2' (no lumber, yard debris or garbage). Land clearing burning will be prohibited in all areas of the state with a population density of more than 1,000 people per square mile as of January 1, 2007. For more information, call SWCAA at 1-800-633-0709.
January 2001: Burning was permanently banned, with the exception of recreational fires under 3'x3'x2', within the Expanded No Burn Area of Longview/Kelso on January 1, 2001.