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Hemphill Diversion Structure Planning Documents

Notice of Preparation of Draft EIR for Hemphill Diversion Structure Project, Sept. 3, 2020

Notice of Completion, September 2020

Initial Study, Hemphill Diversion Structure Project, September 2020

Preliminary Assessment of Salmonid Passage Downstream of AR1 Diversion Facility, Steelhead and Chinook Salmon Passage in the Chaparral Lane Cataract, August 2020

Auburn Ravine-Hemphill Diversion Assessment Sediment Transport Study, June 2020

Geotechnical Engineering and Hydraulics Report, April 2020

Salmon Spawning and Water Quality Surveys in Auburn Ravine, August 2019

Hemphill Diversion Structure - Final Report on Field Study Investigations 

Sediment Characterization Report, June 2017

Memorandum for the Engineering Committee Meeting, January 17, 2017, Regarding Review of Grant related to the Hemphill Project.

Memorandum for the Engineering Committee Meeting, November 9, 2016,  Regarding Hemphill Options 4 and 5

Staff Report for the Board of Directors Meeting, June 8, 2016,  Regarding Hemphill Alternatives Analysis

Hemphill Diversion Structure Alternatives Report, April 2016

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