Innovative static self-cleaning screen protects fish and removes debris at irrigation diversions
At the time many irrigation projects were conceived at the tum of the last century, and prior to 1930, little consideration had been given to providing screens for fish protection. The passage of the Endangered Species Act, plus recent environmental concerns for protection of fish as a natural resource having considerable economic value, however, has prompted the construction of new diversion structures to exclude both resident and migratory fish from entering irrigation canals where they would otherwise be lost. One such installation, on the Flathead Irrigation Project in Montana, included a ...
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