The increased water diversions could severely impact Chinook salmon populations, particularly the endangered winter-run and threatened spring-run species. Warmer water temperatures downstream of Shasta Dam may lead to high mortality rates for salmon eggs and juveniles, threatening the long-term viability of these fish. The fishing industry, which relies on healthy salmon populations, could face economic challenges if salmon numbers decline further. Additionally, the ecological balance of the Sacramento River system may be disrupted, affecting other native species.