ITEM:

INFORMATIONAL ITEMS/STAFF REPORT

 

23.

MONTHLY WATER SUPPLY STATUS REPORT

 

Meeting Date:

November 17, 2008

Budgeted: 

N/A

 

From:

Darby Fuerst,

Program/

N/A

 

General Manager

Line Item No.:

 

 

 

Prepared By:

Darby Fuerst

Cost Estimate:

N/A

 

General Counsel Approval:  N/A

Committee Recommendation:  N/A

CEQA Compliance:  N/A

 

Exhibit 23-A shows the water supply status for the Monterey Peninsula Water Resources System (MPWRS) as of November 1, 2008.  This system includes the surface water resources in the Carmel River Basin, the ground water resources in the Carmel Valley Alluvial Aquifer and the Seaside Groundwater Basin.  Exhibit 23-A focuses on four factors: rainfall, runoff, storage, and steelhead.  The report is limited to the water year that began October 1, 2008 and will end September 30, 2009 (WY 2009).  The rainfall and streamflow values are based on measurements recorded in the upper Carmel River Basin at San Clemente Dam.  This site was selected because of its location above storage facilities and the availability of long-term rainfall and runoff records.

           

Water Supply Status:  As shown, rainfall during WY 2009 to date has totaled 0.11 inches, which is 15% of the long-term average.  Runoff during WY 2009 to date has totaled 270 acre-feet (AF), which is 77% of average.  Usable storage, which includes surface and groundwater, was 25,620 AF or 94% of average at the end of October.  This storage equates to 68% of system capacity.  In addition, no adult steelhead have been counted in the fish ladder at San Clemente Dam and no juvenile steelhead have been rescued from drying reaches of the Carmel River mainstem by District staff in WY 2009 to date. 

 

Production Compliance:  Under State Water Resources Control Board (SWRCB) Order No. WR 95-10, California American Water (CAW) is allowed to produce 11,285 AF of water from the Carmel River in WY 2009.  In addition, under the Seaside Basin Decision, CAW is allowed to produce 3,504 AF of water from the Coastal Subareas and 345 AF from the Laguna Seca Subarea of the Seaside Groundwater Basin in WY 2009.  Altogether, CAW is allowed to produce 14,789 AF from Carmel River and Seaside Coastal sources for customers in its main system.  For WY 2009 to date, CAW has diverted 1,247 AF from the Carmel River and Seaside basins for customer use.  This water production is 96 AF or approximately 7.1% less than the target system production specified for customers in the main system in WY 2009 to date.  A monthly breakdown of CAW’s production from the Carmel River and the Coastal Subareas of the Seaside Groundwater Basin for WY 2009 to date is included as Exhibit 23-B. CAW’s production from the Carmel River Basin is reduced for diversions that are made for injection into the Seaside Basin.  During WY 2009, the District has injected 0 acre-feet of water into the Seaside Groundwater Basin.

 

EXHIBITS

23-A    Water Supply Status: November 1, 2008

23-B    Monthly CAW Diversions from Carmel River and Seaside Groundwater Basins:  Water Year 2009

 

U:\staff\word\boardpacket\2008\2008boardpackets\20081117\InfoItems\23\item23.doc