County of Asotin
Regional Stormwater Program
Inform. Educate. Prevent.
The NPDES Phase II Permit requires that Stormwater Management Plans and Annual Reports are submitted each year to the Department of Ecology by March 31st. To view the current and past annual reports and Stormwater Management Plans, see the links below. If you need to view these documents in another format, contact
Regional Stormwater Coordinator