We provide leadership for developing, acquiring, maintaining and distributing engineering technology to ensure high quality engineering products and services to our customers across the state of Washington.
National Manuals & Handbooks
National Engineering Manual
National Operation and Maintenance Manual
National Engineering Handbook and Engineering Field Handbook
National Irrigation Guide
National Agricultural Waste Management Field handbook
Washington State Engineering Technical Notes
Engineering Technical Notes as listed on the Washington eFOTG
Note: Select Washington, "Section 1", "Reference List", "Technical Notes by Discipline" for a list of Washington Engineering Technical Notes.
Contact Information
Lynelle Knehans
State Conservation Engineer
Spokane Valley, Washington
Telephone: 509-323-2954