What is the purpose of a stormwater permit?
Stormwater permits are issued by the Washington State Department of Ecology (DOE) and address legal requirements as well as control the discharge of pollutants to protect surface water and ground water quality in Washington State.
What activities require this permit?
Stormwater is regulated in Washington State by several types of permits. The permits are designed to control runoff related impacts from various types of sources.
Notes / comments
NPDES (National Pollutant Discharge and Elimination System) Municipal stormwater permit and other information is also available at King County stormwater services.
Washington State Department of Ecology Northwest Regional Office
3190 - 160th Ave. SE
Bellevue, Washington 98008-5452
Chapter 90.48 of the Revised Code of Washington (external links)
Washington State Department of Ecology (external link)