Roza Irrigation District is Transitioning to MRSC Rosters

Effective immediately, Roza Irrigation District is transitioining our Small Public Works Roster, Consultant Roster, and Vendor Roster to the MRSC Rosters shared online database. To continue being eligible to work on projects using a roster process, you are required to register for FREE at and select Roza Irrigation District in your account. If you are already a member of MRSC Rosters, simply select Roza Irrigation District in your account.

For registration questions, please contact MRSC Rosters at or 206-436-3798. If you have questions about Roza Irrigation District projects, contact us directly at or (509)837-5141.

*** All jobs will be State Prevailing Wage ***

Thank you!