SWEETWATER – The Sweetwater Authority is debating a costly project to relocate two critical water interconnections with the City of San Diego. While staff emphasizes the project's importance for system reliability, particularly for the Bonita Highlands area, several board members have raised concerns about the $1.2 million price tag, questioning the necessity and timing of the expenditure.
The project is driven by the City of San Diego's plan to replace its own aging 36-inch pipeline with a new, larger 48-inch main along Sweetwater Road. This work requires the Sweetwater Authority to relocate its Willow Street and Verdagara Place interconnections, which tap into this main to provide emergency water supply. Under a proposed 20-year agreement, the Authority would be responsible for all costs associated with moving the connections.
During a recent meeting, Authority staff presented the project as essential for maintaining a resilient water system. The two connections serve as a vital backup for thousands of residents. The Verdagara interconnect, in particular, is described as the "only alternate feed" for the Bonita Highlands hydraulic zones, which serve over 1,000 homes and a population of more than 16,000 people. According to staff, a failure in the primary supply without this backup could cause water flows to drop to one-third of normal levels and risk contaminating the system.
However, the estimated $1.2 million cost, which some board members speculate could climb closer to $2 million, has prompted significant debate. Director Martinez voiced strong reservations, pointing to the Authority's already robust system, which includes multiple other interconnections, the Reynolds desalination plant, and local wells. "We have a lot of stuff, you know, we have a lot of redundancy," he stated, suggesting the significant expense warrants a deeper analysis. "I don't know if it would be wise to spend $50,000 to have a deep study on this item before we spend the $1.2 million or more."
General Manager Carlos Quintero acknowledged these concerns but stressed the unique vulnerability of the area in question. "This is a bit more of a fragile portion of our system where any minor hiccup... will result in [losing] the water," he explained. With the City of San Diego planning to bid its pipeline project within two months, the board faces a tight deadline.
The discussion highlights a classic challenge for utility providers: balancing the high cost of insuring against potential emergencies with the ongoing effort to keep water rates affordable. As the Authority weighs its options, which include approving the agreement or commissioning a new feasibility study, the decision will have long-term implications for both the security of the water supply and the financial burden on its ratepayers.
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