Package Overviews 

The East County AWP Project consists of five packages. Project construction began in 2022, with the Program beginning to produce water in 2025.

Aeral view of entire construction site looking southPackage 1
Package 1 has been awarded to AECOM/WMV IV, a Joint Venture. The Notice to Proceed with Phase 1 work for Package 1 was delivered to AECOM/WMV IV on October 8, 2020. Components of Package 1 include: a 16 MGD Water Recycling Facility, an 11.5 MGD Advanced Water Purification Facility, a solids handling facility, a product water pump station and a new visitor’s center. The progressive nature of Package 1, Phase 1 provides the JPA with the opportunity to evaluate and price options and value‐engineering (i.e., innovative) ideas, refine the Project design, continue to eliminate unknowns, and identify and evaluate project risks. 

Pipeline pieces staged at base of hill leading up to Lake JenningsPackage 2
Package 2 has been awarded to Orion Construction Corp. Package 2 includes designing and constructing a 10‐mile Advanced Water Purification pipeline, Dechlorination Facility and inlet to Lake Jennings. 
Both Package 1 and 2 will proceed forward with Phase 1 work and not‐to‐exceed dollar amounts. During Phase 1 of each package, the JPA will collaborate with AECOM/Lyles and Orion to develop and finalize the scope of work and a guaranteed maximum price (GMP) for Phase 2 (and Phase 3 for Package 1 only). Phase 1 work for both packages will run through January 2022.

Backhoe lifting trench supportPackage 3

Package 3 has been awarded to AECOM/Lyles. Package 3 includes retrofits and capacity expansions of the Influent Pump Station and East Mission Gorge Pump Station, as well as the installation of a 3.5 mile long force main, a 3 mile long residuals bypass pipeline and a 1.7 million gallon a day lift station for the residuals bypass system.
Package 3 was awarded by the Joint Powers Authority (JPA) Board on December 10, 2020 and will proceed forward with Phase 1 work and a not‐to‐exceed dollar amount of $4,337,233. During Phase 1, the JPA will collaborate with the AECOM/Lyles Team to develop and finalize the scope of work and a guaranteed maximum price (GMP). Phase 1 will run through December 2021.

Forklift raising piece of pipelinePackage 4

Package 4 has been awarded by the Joint Powers of Authority on September 16th to Orion Construction Corporation and has a not-to-exceed dollar amount of $3,170,933. It is a collaborative effort between the JPA and the City of San Diego to provide the best long-term regional solution for the management of brine and centrate. It will improve overall water quality in the City of San Diego's Pure Water sewershed. 
The package will install a Regional Brine Line to convey brine and centrate produced by the advanced water treatment treatment processes from the East Mission Gorge Pump Station to a connection to the City of San Diego South Mission Valley Trunk Sewer. It also will rehabilitate the existing East Mission Gorge Force Main from the East Mission Gorge Pump Station to the City of San Diego North Metro Interceptor and approximately 3,600 linear foot pipeline extension, which will serve as a wet weather/failsafe pipeline, conveying future flows of up to 20 million gallons a day (MGD) (5.5 MGD peak wet weather flow and 14.5 MGD of emergency failsafe flows).  

Photo of the exterior of an anaerobic digesterPackage 5

The East County AWP JPA plans to implement energy recovery through beneficial reuse of the biogas generated from digestion of WRF biosolids/sludge and organic waste, or high strength waste (HSW), from businesses and homes.  Package #5 consists of combined heat and power (CHP) and HSW facilities implemented under a progressive design-build-operate and maintain contract by an energy recovery contractor (ERC) after a competitive solicitation.  CHP is planned to process biogas in combustion engine(s) to generate electricity and waste heat to heat the sludge digesters at the ECAWP Plant saving the JPA and its ratepayers electricity and heating operating costs.  Package #5 is anticipated to include a single CHP unit implemented to process the biogas generated from the sludge, and a second CHP unit and HSW receiving and distribution facilities implemented to process additional biogas generated from HSW.  The photo to the left is an example of an anaerobic digester.