Water Planning Committee Presentation by Dana Friehauf, Water Resources Manager and Alexi Schnell, Water Resources Specialist

1. Presentation by:
Alexi Schnell, Water Resources Specialist
Dana Friehauf, Water Resources Manager
Water Planning Committee
October 22, 2015 Meeting
Update on Supply Conditions and
Drought Response Activities
Lake OrovilleAugust 2015
Source: NASA, October 2015

2. 2
NOAA Climate Prediction Center
El Niño Update
October 2015 – El Niño Advisory
 Issued when El Niño conditions are observed and expected to
continue
 +95% chance El Niño will continue through winter and gradually
weaken through spring 2016

3. 3
Current El Niño is Tracking Consistent with
Previous Strong Events
SeaSurfaceTemperature

4. 4
California Precipitation Can Vary in
Strong El Niño Years

5. 5
A = Above Average B = Below Average EC = Equal Chances
Made February 19, 2015
National Weather Service Precipitation Outlook
A = Above Average B = Below Average EC = Equal Chances
Made October 15, 2015
November - January December - February
January - March

6. 6
National Weather Service Temperature Outlook
A = Above Average B = Below Average EC = Equal Chances
Made October 15, 2015
November - January December - February
January - March

7. 7
0%
10%
20%
30%
40%
50%
SWRCB Emergency Regulation
Member Agency Conservation (June - August 2015)
*Based on R-GPCD data current as of 6/11/15
-1%
-8%
+6%+1%
-6%
+7%
+16%
+8%
+14%
+9%
+4%
+8%
+14%
+8%
+11%
+6%
-8%
+14%
+10%
+10%
7
Source: SWRCB Conservation Reporting Data
Conservation standard
Conservation achieved toward designated standard
Percent achieved above conservation standard
Percent below conservation standard

8. 8
Total Potable M&I Water Use
State Emergency Regulation Reporting Months
0
10,000
20,000
30,000
40,000
50,000
60,000
Jun Jul Aug Sep Oct Nov Dec Jan Feb
PotableM&IUse(AF)
Months in 2013 2015 - 2016
-26%
-32%
-24%
-26%
Cumulative June - September 2015 is 27% lower than 2013
Source: Member Agency monthly water use reporting to the Water Authority

9. 9
Update on SWRCB Emergency Regulations
 Next workgroup meeting October 26, 2015
 Provide stakeholders an opportunity to present potential
modifications to existing emergency regulations
 Growth, climate, recycled water
 Groundwater
 Regional approach
 Sustainable supplies
 As part of adoption of regulations, State
Water Board agreed to form workgroup to
address unresolved issues
 e.g. investments in drought-resilient supplies