Annual Reports

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

Jeff Wiemer
Regional Stormwater Coordinator
509-243-2074
jwiemer@co.asotin.wa.us