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Lakeside gauge battered by sediment; agencies propose channel and structure fixes to restore reliable flow measurements
Summary
Field staff reported repeated sediment deposition and instrument corrosion at the Lakeside (west breach) gauge that undermine index-velocity discharge estimates; proposed remedies include targeted channel work, raising local invert elevations, or jetty/rock placement and a procurement to scope engineering fixes.
Hydrologists told the advisory council that sediment deposition at the Lakeside (west breach) gauge pool has repeatedly compromised the stage–area relationship that underpins the index-velocity method used to compute discharge.
"We have this deposition problem in the Lakeside Gage Pool," said Mike Freeman, Salt Lake City field office chief, describing corroded instruments and an unstable cross-sectional area that make discharge calculations noisy and often…
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