Palouse agriculture slice

Irrigation System Aquatic Weed Control NPDES General Permit

Historic Permit Information

2012 Draft Permit

2010 Permit

2008 Permit

2002 Permit

The previous version of the permit expired in May 2007.

Questions?

Addison Houston
360-407-6575
addison.houston@ecy.wa.gov

Spotlight

Lake Chelan winery, photo courtesy of VineLines http://vinelines.com/gallery-free.aspx

Contact:
Addison Houston
360-407-6575
addison.houston@ecy.wa.gov