Difference between revisions of "GCDAMP- HFE 2013"

Revision as of 17:12, 5 November 2013

HFE DETAILS -SUMMARY:
Sediment in the system: 1.5 Million metric tons
Starts on Monday, November 11th and ends November 16th 4 Day Peak--- 96 Hours
Peak CFS: 37,200
Estimated costs to WAPA Hydropower: $1.74 million
Estimated acre feet of water bypassed during HFE: approx. 129,000 af
Hourly Releases before and after HFE: fluctuate between 5,000 to 8,000 cfs
Direct expenses for removal of concession assets: $9,961

A 30-day letter was sent notifying MOA signatories of a possible HFE in November 2013.
DOI consultation meeting with the Basin States_ October 22, 2013.
Government to Government tribal consultation: Pueblo of Zuni_ September 10, 2013.
Government to Government tribal consultation: Navajo Nation_ September 11, 2013.

Pueblo of Zuni: concern that multiple HFE's under the HFE protocol could result in power cost increases for individual rate payers.

Request to USBR made for detailed description on how the economic effects of multiple HFEs on power rate payers will be monitored.

GCMRC has installed digital cameras that capture 5 Images every day at 33 sandbar monitoring sites throughout Marble and Grand Canyon between Lees Ferry and Diamond Creek.
Modified original proposal to avoid additional WAPA hydropower loss (off-peak hour sales) -- Saves $30,000
Glen Canyon Dam will start pumping an Olympic-sized swimming pool worth of water into the Colorado River every other minute--LINK
Lake Powell is expected to drop 2.5 feet during the course of the week. --LINK

Contributor: Category: Sediment, Recreation, Water delivery

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 Image:Possible Glen Canyon Dam HFE Release Pattern Pg 10.jpg
 Image:Lake Mead projected daily elevations- HFE 2013- GRAPH.jpg
+Image:Lake Mead projected end month elevations- HFE 2013- GRAPH.jpg

High Flow Experiment- 2013