Happy Valley Pipeline Project 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. At this time, there is not adequate capacity to meet maximum-day demands.

The Happy Valley Pipeline Project consists of two phases. Phase I 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 consists of 3,300 feet of new pipeline starting at the Miner Road/Lombardy Lane intersection, where Phase I ended. The new pipeline will following Miner Road to an existing EBMUD easement that crosses Lauterwasser Creek and then follow Van Ripper Lane to Lombardy Lane.

The Phase II 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 Environmntal Impact Report (SEIR) for the Phase II 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.

EBMUD has been studying alternatives to the approved route for the Phase II pipeline to minimize traffic impacts and interference with other utilities. The recommended alternative for Phase II continues along Miner Road, crosses Lauterwasser Creek, and then follows Van Ripper Lane to Lombardy Lane.