Aerial farm photo.  Photographer unknown.

Irrigation System Aquatic Weed Control NPDES General Permit

Final Issuance of the New Permit

Ecology renewed the Irrigation System Aquatic Weed Control NPDES and State Waste Discharge General Permit on May 16, 2012.

Public Process

  Public Comments (February 2012)

Ecology accepted written comments on the draft permit and fact sheet from February 15, 2012 to March 30, 2012.  Ecology hosted a workshop and hearing March 27, 2012 in Yakima, Washington.  The purpose of the workshop was to explain the general permit, describe the proposed changes, and answer questions. The purpose of the hearing was to provide an opportunity for people to give formal comments on the proposed draft permit.

Draft Permit Documents

The Current Permit

Additional Information

For more information please contact:

Laurie Morgan, LHG
Hydrogeologist
Washington State Department of Ecology
Water Quality Program
PO Box 47600
Olympia, WA 98504-7600
(360) 407-6483
Email:  Laurie.Morgan@ecy.wa.gov