Canal Treatment Weed Control

WASHINGTON DEPARTMENT OF ECOLOGY GENERAL PERMIT

Wenatchee Reclamation District and Chelan County Public Utility District are seeking coverage under the Washington Department of Ecology’s NPDES General Permit No. WAG0991000 for Aquatic Weed Control in Irrigation Systems that flow to natural surface waters of the state.

The Wenatchee Reclamation District/Chelan County Public Utility District system is located in Chelan and Douglas counties and serves irrigation water users within a 34-mile area. The chemical proposed for use is copper sulfate to control vegetation growth during the period from April through October. The treatment site is located at latitude 120°33’47.87”W Longitude 47°32’41.57”N. The receiving water will be the lower Wenatchee River and the Columbia River.

Individuals desiring additional information about herbicide treatments shall contact Wenatchee Reclamation District at 514 Easy Street, Wenatchee, WA 98801 or (509) 663-0002.

Any person desiring to present their views to the Department of Ecology concerning this application may notify Ecology in writing within 30 days of the last date of publication of this notice for the general permit.

Comments may be submitted to: Department of Ecology, Aquatic Pesticides Unit, P O Box 47696, Olympia WA 98504-7696 or call 509-575-2491.