Water Supply and Drought Management Update - Jan. 22, 2015
1. Presentation by:
Alexi Schnell, Water Resources Specialist
Water Planning Committee
January 22, 2015
Water Supply and Drought
Management Update
Photo: California Weather Blog/ Bartshé Miller
2. 2
SWP Allocation for 2015
Initial allocation of 10% of requested deliveries
Revised allocation of 15% (announced Jan. 15)
May change based on volume of rain and snow the
remainder of this winter
Year SWP Final
Allocation
2014 5%
2013 35%
2012 65%
2011 80%
6. Percentage of State in Exceptional Drought
January
(39%)
(as of Jan.13)
November
(55%)
December
(32%)
6
7. 7
Colorado River Hydrologic Conditions
January 20, 2015
Water year 2015 precipitation
85% of average (9.1 inches)
Basin snowpack water content
93% of average
Combined storage in Lake Mead
and Lake Powell
2015: 22.2 MAF, 44% Capacity
2014: 22.5 MAF, 45% Capacity
8. 8
Local Service Area Conditions
Local reservoir storage on December 29, 2014 was
approximately 237,906 AF, or 41% of capacity
Water Year 2015 Precipitation
Through January 20, 2015
Station Actual in. % Normal
Lindbergh Field 5.24 119%
Ramona Airport 5.23 80%
9. 9
Fiscal Year Potable Water Use in
Water Authority Service Area
20,000
40,000
60,000
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Acre-Feet
Water Use FY14 (AF) Water Use FY15 (AF)
Figures include urban and agricultural water use.
10. 10
Average Daily Maximum Temperature at
Lindbergh Field – Departure from Normal (oF)
-2.0
0.0
2.0
4.0
6.0
8.0
Fiscal Year 2014 Fiscal Year 2015
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Hotter
Cooler