City of Santa Rosa image CIP

Capital Improvement Project

Los Alamos Trunk Replacement: Streamside Dr to Elaine Dr

Estimated Construction Schedule: Slated to begin April, 2023 and is anticipated to be completed October, 2024.
Construction Contract Amount: Pending
Project ID #: 1903
Description: This project will replace approximately 5500 LF of the existing Los Alamos trunk sewer that was installed in the 1950's and is undersized and in poor condition. The new pipe will be 24-inch diameter C900 PVC. It will generally be installed adjacent to the existing alignment. Relocation of small portions of the water main will be necessary in certain locations to create adequate separation from proposed sewer line.

January 2023 - Advertising in Jan: Invitation for Bids (IFB) is anticipated in January 2023 with bids due in the March 2023. Bid Award anticipated March 2023. For questions regarding connecting to public sewer please contact: Celia Parkinson (707-543-4522) or Shelli Allen (707-543-4336).


Andrew Wilt
Associate Civil Engineer
City of Santa Rosa

Jerry Winterlin
Civil Engineering Tech III
City of Santa Rosa
+1 (707) 953-0877

Ben Bryant, PE
Consultant Design Engineer
Brelje and Race

Initial Study and Mitigated Negative Declaration
Advance Project Notice - English
Advance Project Notice - Spanish

Other Information:
Report - Biological Resources - Phase 1
Biological Resources - Phases 2, 3, and 4
Report - Cultural Resources - Phase 1
Cultural Resources - Phases 2, 3, and 4
Geotechnical Report - Overall
Geotechnical Report- Phase 1
Tree Survey - Phase 1
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Project Image

Note: All dates and times are subject to change.