1. San Antonio Dam spillway project is estimated at $77 million, with construction targeted for 2028 The agency is finalizing its Probable Maximum Flood and alternatives analysis report for submission to the Division of Safety of Dams (DSOD). Thirty-percent design is expected to begin around March 2026, and environmental review will likely require a full Environmental Impact Report. Construction is anticipated to start in summer 2028, with completion, closeout and DSOD approval by December 2031. The schedule depends on regulatory review, permitting and construction funding. DSOD rates San Antonio Dam fair because of spillway deficiencies; its extremely high hazard classification reflects the population downstream.
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