1. Injecting treated brackish groundwater instead of delivering it to users showed promise in modeling. Staff and consultants presented a Brackish Groundwater Restoration (BGR) scenario that retains coastal extraction and treatment but injects all treated water underground. It modeled slightly better than the medium-scale BGR option at pushing seawater intrusion back toward the 2040 minimum threshold. Under the modeled assumptions, growers and municipalities would keep their existing pumping and distribution systems. Delivery pipelines to end users could be avoided, but pipes to injection wells would still be needed. Costs and savings for this scenario have not been estimated.
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