Tag Archive: boat passage

Nov 17 2011

Gradient Facility on the Sacramento River


The Glenn Colusa Irrigation District (GCID) Gradient Facility (GF) is located on the Sacramento River west of Chico California, upstream from Hamilton City. The GF is part of The Fish Screen Improvement Project completed in 2000.  The primary purpose of the GF is to increase upstream water surface elevation by approximately 3 feet.  The GF …

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