ITEM: |
INFORMATIONAL ITEMS/STAFF REPORTS |
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26. |
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Meeting Date: |
April 20, 2009 |
Budgeted: |
N/A |
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From: |
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Program/ |
N/A |
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General Manager |
Line Item No.: |
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Prepared By: |
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Cost Estimate: |
N/A |
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General Counsel Approval: N/A |
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Committee Recommendation: N/A |
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CEQA Compliance: N/A |
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AQUATIC HABITAT AND FLOW
CONDITIONS: During March 2009,
During
March 2009, the mean daily streamflow recorded at the District’s
CARMEL RIVER LAGOON: The lagoon sand bar was breached
by Monterey County Public Works crews on February 16, 2009 after the lagoon’s water-surface elevation (WSE) rose to
approximately 10.5 feet above mean sea level.
The breach was accomplished by having the County’s bulldozers dig a
short channel in a north-westerly direction across the south-central portion of
the beach and allowing the rising lagoon to spill into it. The outlet channel quickly down cut and
shifted to the center within eight hours, eventually re-establishing an exit to
the southwest.
During
March 2009, the lagoon’s WSE ranged from approximately 2.2 to 7.5 feet above
mean sea level in a fairly typical March pattern (see 1st graph
below).
ADULT STEELHEAD COUNT AT SCD: The fish counter and video camera were installed at the ladder in January 2009. The first fish was recorded over the counter on February 15, 2009, and through the end of March only 84 adults had been counted (see 2nd graph below). By comparison, 403 fish had been counted by the end of March 2008.
ADULT STEELHEAD COUNT AT LOS PADRES DAM: Through the end of March 2009, 14 adult fish had been captured and transported above Los Padres Dam (LPD) (see 3rd graph below). By comparison, 157 fish had been counted at LPD by the end of March 2008.
U:\staff\word\boardpacket\2009\20090420\InfoItems\26\item26.doc