ITEM: |
INFORMATIONAL ITEMS/STAFF REPORTS |
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17. |
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Meeting Date: |
September 22, 2008 |
Budgeted: |
N/A |
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Program/ |
N/A |
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General Manager |
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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 August 2008,
During August
2008, the mean daily streamflow recorded at the District’s
CARMEL RIVER LAGOON: The lagoon closed naturally on
April 29, 2008. To enhance steelhead
rearing habitat in the lagoon over the summer, California
State Parks crews fortified the sand berm with bulldozers on May 5, 2008, by
pushing beach sand to raise the berm elevation and prevent future
breaching. During August 2008, the water
surface elevation (WSE) increased gradually from approximately 3.7 feet to 4.5
feet above mean sea level during the month.
It is assumed this occurred mainly from seawater overtopping the beach.
In
addition, on Thursday afternoon, August 28, 2008, the Carmel River Steelhead
Association worked with the California State Department of Parks and Recreation
(CDPR) to re-start an inactive agricultural well, west of Highway 1, to pump
approximately 500 gallons/minute ( 2.21 acre feet/day) of CDPR
groundwater into the lagoon to supplement water quality. The District has offered to help
DP&R analyze the well water, in order to characterize its quality, and
provided them with historical data form nearby monitoring wells that might
represent the quality of the water coming from the reactivated well. The Carmel Area Wastewater District also
intends to begin releasing recycled water for two hours a day to percolate into
the riparian zone, starting Tuesday, September 2, 2008. This should add about 100,000 gallons/day of
good quality, micro-filtered, and reverse-osmosis treated water to riparian
zone, which will also benefit the lagoon.
JUVENILE STEELHEAD RESCUES: District staff began its annual summer
juvenile steelhead rescues on May 14, 2008.
As of August 31, 2008, approximately 83,380 steelhead have been rescued
from the lower eight miles of the
SLEEPY HOLLOW STEELHEAD REARING FACILITY: The first rescued fish were brought to the Facility on May 14, 2008. As of August 31, 2008, approximately 47,657 fish have been placed in the Facility’s rearing channel and tanks. So far, 322 fish have been lost during their initial quarantine periods and 9,813 fish have died during rearing, for a total mortality rate of 21% to date at the Facility. The tally of fish received at the Facility is less than that shown being delivered in the rescue section above, due to accounting errors in the two separate sets of records that will be reconciled after the end of the rescue season.
U:\staff\word\boardpacket\2008\2008boardpackets\20080922\InfoItems\17\item17.doc