HomeMy WebLinkAbout2009-02-17; Municipal Water District; 675; Drought Response PlanCARLSBAD MUNICIPAL WATER DISTRICT - AGENDA BILL 7
675AB#
MTG. 02/17/09
DEPT. PW/M&O
DROUGHT RESPONSE PLAN AND
WATER SUPPLY UDATE
DEPT. HEAD
CITY ATTY.
CITY MGR.
RECOMMENDED ACTION:
Receive an update on drought and water supply conditions.
ITEM EXPLANATION:
This informational report provides an update on the current drought conditions affecting the Carlsbad
Municipal Water District. This report will also discuss the CMWD's drought response plan, as well as the
impacts of potential water supply cutbacks.
FISCAL IMPACT:
None at this time; however, continuing drought and worsening water supply conditions will have long
term impacts on water rates.
ENVIRONMENTAL IMPACT:
None
EXHIBITS:
None
DEPARTMENT CONTACT: Mark Stone 760-438-2722 mston(S)ci.carlsbad.ca.us
FOR CITY CLERKS USE ONLY.
BOARD ACTION: APPROVED D
DENIED D
CONTINUED D
WITHDRAWN D
AMENDED D
CONTINUED TO DATE SPECIFIC D
CONTINUED TO DATE UNKNOWN D
RETURNED TO STAFF D
BOARD "RECEIVED THE REPORTED
Carlsbad Municipal Water District
Board of Directors
February 17, 2009
Mark Stone
Agenda
Water Supply Conditions
Drought Update
Managing the Drought
What’s Next
2
Current Conditions -Natural
Eight year drought-Colorado River Basin
2008 Sierra snowpack -driest ever recorded in
California
January 2009 Sierra snowpack -45% of normal
northern Sierras
La Nina conditions announced by
Meteorologists -2009
3
Current Conditions -Regulatory
Federal judge orders Delta pumping cut back out of the Delta –
Dec 2007
US Fish & Wildlife issues biological opinion –Dec 2008
cutting Delta allocation 20% to 50%
National Marine Fisheries issue biological opinion calling for
permanent water reduction –Jan 2009
DWR announces 15% normal flow from the Delta in 2009!
Metropolitan relies on storage supply
Storage in reservoirs dropped by about 50%
MWD announces water storage will be depleted by 2011
4
California Reservoir Storage Levels
WY 2009 as of December 7, 2008
Statewide:70% of average
Folsom:21% of capacity
San Luis:21% of capacity
Oroville:28% of capacity
Shasta:29% of capacity
-Fell to lowest level in 30 years on 10/30/08
-158’ below the crest of the dam
5
Lake Oroville June 2005
3.6 MAF -99% of Capacity
6
Lake Oroville February 2008
1.4 MAF –40% of Capacity
7
Lake Oroville November 2008
1.0 MAF -29% capacity
8
Restrictions/Cutbacks
MWD timing:
January 2008 –30% Agricultural Cutback
2008 –CWA Declares Level I Drought Watch
Announcement April 2009
Mandatory cut back July, 2009
Possible Level of Cutback:
Level 1 –10% voluntary
Level 2 –11 to 20% Mandatory
Level 3 –21 –40% Mandatory
Level 4 –Over 40% Mandatory
9
Watch
Voluntary up
to 10%
Reduction
We Are Here
Alert
Up to 20%
Reduction
Irrigation
Restrictions
Critical
Up to 40%
Deduction
No car washing
at home
Further irrigation
restriction
Potential fines
More than
40%
Reduction
Irrigation for
crops only
24 hours to fix
leaks
Emergency
10
July 1?
What’s Next?
Level II –Drought Alert Declaration
Allocations
Continue to Conserve
11
Questions?
12