COE_Olivenhain-Trunk-Sewer_UpdateFlyer_4.22.21FACT SHEET
505 South Vulcan Avenue
Encinitas, CA 92024
760.633.2600 | encinitasca.gov EENNCCIINNIITTAA SS AATT WW
OORRKK
Olivenhain Trunk Sewer
Improvements Project
ABOUT THE PROJECT
The Olivenhain Trunk Sewer project extends
between I-5 and Lone Jack Road along
Manchester Avenue and Escondido Creek in
the Olivenhain community of Encinitas. The
project will upsize 2,500 feet of sewer
pipeline and line 54 manholes.
The existing 1970’s sewer line extends
roughly 4 miles on City roads, San Elijo Lagoon
Conservancy land, County of San Diego land,
and private property. The existing manholes
along the sewer line have deteriorated over
time. This allows water to infiltrate the sewer
pipeline during heavy rain which can
overwhelm the treatment system or
potentially cause a spill.
Phase 1 completes sewer improvements
within City right of way. Future phases will
complete work outside City right of way, as
easements are procured.
BENEFITS
• Lining manholes prevents rain runoff
from entering sewer lines.
• Obtaining easements will ensure access
to all sewer line components for
inspections and maintenance.
• Increaseing the size of the sewer line to
provide additional system capacity to
support new connections.
505 South Vulcan Avenue
Encinitas, CA 92024
760.633.2600 | encinitasca.gov EENNCCIINNIITTAA SS AATT WW
OORRKK
UPCOMING MILESTONES
Phase 1: Construction on City right of
way
• Construction completion:
October 2021
Phase 1A: Lining Sewer Manholes via
Temporary Construction Easement
• Construction start: July 2021
• Construction completion:
December 2021
Phases 2 and 3 require permanent
easements. Their construction start dates
will be determined once right of way is
secured.
*All dates are approximate and subject to
change. Last updated April 2021.
•
PROJECT BUDGET
The estimated cost for planning, design,
and construction is approximately $8
million, including $3 million designated for
Phase 1 improvements. The project is fully
funded by the Cardiff Sanitation District.
CONTACT US
For questions or concerns about the
project, please contact
Matt Widelski, Senior Engineer at:
mwidelski@encinitasca.gov or
760-633-2862
PROJECT STATUS
The construction team has installed 600 feet of 15-inch sewer main
from Escondido Creek to the creek crossing at Lone Jack Road along
El Camino Del Norte. In addition, approximately 60 feet of sewer
pipe was added using a jack and bore method. The jack and bore
method enables the team to install the new pipes without
disrupting roadways.
Along with the sewer line improvements, six new manholes were
installed along the new line. The project team will continue to test
and monitor the new pipes and manholes.
During May, residents should expect construction to begin along
Lone Jack Road. The project team will implement flagging once Lone
Jack Road shifts to single lane traffic. Phase 1 construction is
scheduled to be completed in October 2021. The project team will
continue to update the community as progress continues.