Spring Creek Reservoir Spring Creek Dam

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spring creek reservoir, viewed downstream towards dam, @ moderate level on november 17, 1994


spring creek reservoir artificial lake formed behind dam. reservoir used flood control storage, , filled 5,870 acre feet (7,240 dam) capacity. during dry season, water spring creek pools in small, stagnant pond retained behind dam, depositing contaminated sediment , acidic mine waste in reservoir space. when flows shasta dam, upstream on sacramento river, sufficient flush contaminated water away, water held in reservoir released through outlet works keswick reservoir , sacramento river. despite operation strategy, reservoir deemed inadequate watershed, , can filled capacity single heavy storm event. uncontrollable spills poured sacramento river during floods, through crest spillway of dam, lacks gates. result, numerous fish kills have occurred during these sudden releases of contaminants, major 1 of in 1969. due consistent acid pollution reservoir, large fish spawn downstream of red bluff diversion dam, dam on sacramento river near red bluff, california.








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