Project Information
Happy Valley Pipeline Phase II
EBMUD is improving the water system to meet existing and future demands in the areas of Orinda and Lafayette served by Happy Valley Reservoir. Currently, there is not adequate pumping and pipeline capacity to meet maximum-day demands.
The Project includes a new Happy Valley Pumping Plant and associated pipeline improvements. Phase I of the Pipeline Project was completed in summer 2009 and included the portion of the pipeline in Miner Road from Oak Arbor Road to Lombardy Lane in Orinda.
Phase II of the Pipeline Project began in the Summer of 2023 and consisted of 2,500 feet of new pipeline installed along Miner Road and associated side streets. That new pipeline follows Miner Road to Tiger Tail Ct., where it connects to an existing EBMUD pipeline. That portion of Phase II was completed in the Fall of 2023.
The final portion of Phase II includes the replacement of 350 feet of existing pipeline crossing Lauterwasser Creek (between Miner Road and Van Ripper Lane) which is critical for fire flows. The replacement of the pipeline crossing Lauterwasser Creek will begin in June of 2024.
Lauterwasser Creek Workplan and schedule
Construction of the new pipeline will begin in June of 2024 on Van Ripper Lane and last through October of 2024. Work Hours for the project will be from 9AM to 5PM Monday through Friday.
During work hours, Miner Road will be brought down to a single lane of traffic, with traffic flaggers in place to assist with traffic flow.
Contact information
Community Affairs
Email: construction-east@ebmud.com
Phone: 510-287-2053
For after-hours, call EBMUD at 866-403-2683.
Published studies and other resources
The Happy Valley Pumping Plant and Pipeline Project is an element of the Water Treatment and Transmission Program. The EIR for the WTTIP was certified by the EBMUD Board of Directors in December 2006. The draft Supplemental Environmental Impact Report (SEIR) is available below.
The Happy Valley pipeline alignment was approved following preparation, distribution, and certification of a Supplemental Environmental Impact Report in March 2011. This alignment, shown here and in the PDF file below, was selected after study of several possible alternatives to the original approved alignment, which was on Lombardy Lane.
The Supplemental Environmental Impact Report (SEIR) for the pipeline route was approved by the EBMUD Board of Directors March 8, 2011. The Final SEIR consists of the Draft SEIR and the Responses to Comments document.
Environmental documentation
| Document | Type | Size |
|---|---|---|
| Happy Valley Pipeline Project Phase II Map | <1 MB | |
| Presentation from December 14, 2010 Public Meeting | 1.7 MB | |
| Presentation from June 8, 2010 Public Meeting | 1.6 MB | |
| Happy Valley Pipeline Draft Supplemental Environmental Impact Report | 3.9 MB | |
| Response to Comments (February 2011) | 1.3 MB |