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8/14/2019 California s Californias Drought
1/23
a er supp y con ons
Drought impacts and
response
Planning for a dry 2010
San Luis Reservoir
8/14/2019 California s Californias Drought
2/23
Climate Change Impacts to WaterClimate Change Impacts to WaterResourcesResources
Diminishing snowpack
patterns
Higher air/water
ecosystem health
8/14/2019 California s Californias Drought
3/23
2009 Water Su l Conditions2009 Water Su l Conditions 2009 Statewide runoff
Groundwater levels
declining
Major water supply
reservoirs remain low
State and federal water
projects restricted by
regu a ory ac ons o pro ecthe Delta
record lows
Lake Shasta
8/14/2019 California s Californias Drought
4/23
Lake McClure
8/14/2019 California s Californias Drought
5/23
Carryover StorageCarryover StorageMajor ReservoirsMajor Reservoirs(Trinity, Shasta, Oroville, Folsom, New Melones, Don Pedro, San Luis)(Trinity, Shasta, Oroville, Folsom, New Melones, Don Pedro, San Luis)
123%
100%
80
60
fAverage 78%
57%
66%
20Percent
Lake Oroville
2006 2007 2008 2009 proj.0
8/14/2019 California s Californias Drought
6/23
Lake Oroville 2005 Lake Oroville October 2008
8/14/2019 California s Californias Drought
7/23
San Luis Reservoir August 2008
an u s eservo r arc
San Luis Reservoir June 2009
8/14/2019 California s Californias Drought
8/23
drought period waterlevels
Water levels Aboutthe as drought
eriod water levels
SAMESAME
Water levelsdrou ht eriod water
BELOWBELOW
levels
8/14/2019 California s Californias Drought
9/23
Estimated 2009 Water SupplyEstimated 2009 Water SupplyYear Type
CVP Allocation SWP
2006 Wet 100% ag / 100% m&i 100%
2007 Dr 50% a / 75% m&i 60%
2008 Critical 40% ag / 75% m&i 35%
2009 Dr 10% a / 60% m&I 40%40%
Classifications: Wet, Above Normal, Below Normal, Dry, Critical
8/14/2019 California s Californias Drought
10/23
2009 Water Supply Conditions2009 Water Supply ConditionsDel t a Ex por t s
(not including water transfers)6
5.7maf Drought Impact~1.6 maf5
~
~500 mafFish Protection Actions (Bos)
4
3
2
1
0
Expected Annual Average(Pre 2008)
2009
8/14/2019 California s Californias Drought
11/23
Drought WaterBank
81,275
Private North toSouthTransfers
250,500
Private North toNorth Transfers
80,640
to SouthTransfers
,
San Luis
,
8/14/2019 California s Californias Drought
12/23
Drought 1991 vs. 2009Drought 1991 vs. 2009
10 million new residents
Shift from row crops to
ermanent cro s
Fish species at risk
flexibility of water
o erations
Climate change
8/14/2019 California s Californias Drought
13/23
2009 Projected Economic Impacts2009 Projected Economic Impacts
2009 job loss -
, - ,
2009 total gross income
- -
Farm revenue loss -
-
(excluding livestock,
,
pasture)
8/14/2019 California s Californias Drought
14/23
Drou htDrou ht Im actsIm acts 2008 - A riculture
$370M Water rationing
Fire
Economic
development
Hydropower
generation
Recreation
Air Quality
8/14/2019 California s Californias Drought
15/23
Drou ht Res onseDrou ht Res onse
Declaration
Emergency
Counties
Drought Emergency
Governor Schwarzenegger signs drought declaration
8/14/2019 California s Californias Drought
16/23
Statewide Water ConservationStatewide Water Conservation
ampa gnampa gn
w w w.saveour .orgw w w.saveour .org
8/14/2019 California s Californias Drought
17/23
Preparing for a Dry 2010
Drou ht
Preparedness Get Read
workshops
year s ra eg c p an
Consultation with
world wide drought
efforts
Folsom Reservoir
8/14/2019 California s Californias Drought
18/23
Pre arin for a Dr 2010Water
Conservation 20 b 2020
Recycled water -
purp e s e new
green
Statewide Save Our
Water program
saveourh2o.net Lake Oroville
8/14/2019 California s Californias Drought
19/23
Preparing for a Dry 2010
Water Supply
2010 water transfers& long-term program
CIMIS
on unc ve use an
groundwater mgnt
Emergency
response
Kaweah Reservoir
8/14/2019 California s Californias Drought
20/23
Lon Term ActionsLon Term Actions
conservation
Diversify regional
supplies
Increase storage
Sustain investment
California Aqueduct
8/14/2019 California s Californias Drought
21/23
When the well is drWhen the well is dr
we know the worthwe know the worth
of waterof water
Benjamin FranklinBenjamin Franklin
8/14/2019 California s Californias Drought
22/23
8/14/2019 California s Californias Drought
23/23