Meeting Date:

October 18, 2010





Darby Fuerst,




General Manager

Line Item No.:




Prepared By:

Cory Hamilton

Cost Estimate:



General Counsel Review:  N/A

Committee Recommendation:  N/A

CEQA Compliance:  N/A



AQUATIC HABITAT AND FLOW CONDITIONS:  During September 2010, Carmel River streamflow conditions for fish migration were inadequate for adults and smolts, but remained adequate for juveniles.  The mainstem Carmel River provided sufficient habitat conditions for juveniles down to approximately the vicinity of Rancho San Carlos Bridge (River Mile 3.86). From the Rancho San Carlos Bridge to the Via Mallorca Bridge, habitat conditions were degraded as flows continued to decrease and stretches of the river in the Rancho Canada Golf Course area to the Lagoon became intermittent.


During September 2010, the mean daily streamflow recorded at the District’s Carmel River at Sleepy Hollow Weir gaging station averaged 12.9 cubic-feet per second (cfs) and ranged from 12 to 17 cfs.  Unimpaired runoff at San Clemente Dam (SCD) for the month of September 2010 was 617 AF.  Unimpaired runoff at SCD for Water Year (WY) 2010, has totaled 98,419 AF or about 143% of the long-term annual average of 68,630 AF.  During September 2010, 0.01 inches of rainfall was recorded at California American Water’s (CAW) SCD.   The rainfall total for WY 2010 is 27.46 inches, which is 129% of the long-term annual average of 21.34 inches.


CARMEL RIVER LAGOON:  During September 2010, the lagoon’s water-surface elevation (WSE) ranged from approximately 3.6 to 6.21 feet above mean sea level (see graph below).  Water quality was sampled on September 3, 2010.  Data from this sampling shows that the salinity and dissolved oxygen measurements were adequate for steelhead rearing down to approximately 2 meters of depth.   Water temperature ranged from 66 to 70 degrees Fahrenheit (ºF) throughout the vertical column. Water temperatures above 68ºF are considered to be stressful to steelhead. The increase in water elevation at the end of the month was due to saltwater wave over-wash, as freshwater inflows had declined to near zero.


FISH RESCUE: Fish rescues began on July 28, 2010 at the Highway 1 Bridge and ended on September 9, 2010 at CAW’s San Carlos well, at River Mile 3.7.  A total of 3,858 fish were rescued, 3,544 young-of-year, 299 yearlings and 15 mortalities.  Staff transferred 1,950 fish to the Sleepy Hollow Steelhead Rearing Facility, 1,859 were released into the Lagoon and 34 were released at Garland Park.

SLEEPY HOLLOW STEELHEAD REARING FACILITY:  All fish brought into the facility go through a quarantine process, after which they are recounted and stocked into the rearing channel.  During this process, there are some numerical differences between what is brought in for quarantine from the field and what is stocked into the channel.  These differences represent fish that are consumed by other fish during transport and while in the quarantine tank or numerical counting errors in the field during rescue.  As of September 30, 2010, staff has stocked a total of 1,957 fish into the rearing channel, including 1,794 young-of-year and 163 yearlings.  A total of 86 mortalities has been observed for a total of 1,871 fish currently being held at the facility.  The survival rate in the rearing channel through the end of September was 95.6%.