Water Supply Conditions
Water Planning Committee
June 26, 2014 Presented by: Lesley Dobalian
Water Resources Specialist
2
MWD 2014 Water Supply and Demand Balance
Water Balance Acre-Feet
Total Supplies 858,000
Colorado River 755,000
State Wat...
Source: MWD June 10, 2014 Water Planning and Stewardship Committee
 Due to reduced storage reserves, MWD may implement it...
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...
-2.0
0.0
2.0
4.0
6.0
8.0
Fiscal Year 2013 Fiscal Year 2014
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Average Daily M...
6
Summer Outlook
Temperature Outlook
July – September 2014
Climate Prediction Center: Chance of El Niño is 70% during the
...
7
Potential Emergency Regulations in Response to
Governor’s April 25, 2014 Executive Order
 Executive Order contains dire...
8
Potential SWRCB Emergency Drought Regulations
 Information item at SWRCB Board Meeting on June 17
 Proposed emergency ...
9
Conclusion
 Staff closely monitor SWRCB actions
 Participate in MWD Member agency review
process of WSAP this summer
...
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Water Supply Conditions, June 26, 2014

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This presentation was provided at the Water Authority Board meeting on June 26, 2014 at the Water Planning Committee.

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Water Supply Conditions, June 26, 2014

  1. 1. Water Supply Conditions Water Planning Committee June 26, 2014 Presented by: Lesley Dobalian Water Resources Specialist
  2. 2. 2 MWD 2014 Water Supply and Demand Balance Water Balance Acre-Feet Total Supplies 858,000 Colorado River 755,000 State Water Project 103,000 Estimated Member Agency Demands 1,937,000 New Water Balance -1,079,000  Excludes Water Authority Colorado River Transfer supplies  Negative balance made up through storage and other supplies  Actual balance may change as year progresses Source: MWD June 10, 2014 Water Planning and Stewardship Committee
  3. 3. Source: MWD June 10, 2014 Water Planning and Stewardship Committee  Due to reduced storage reserves, MWD may implement its Water Supply Allocation Plan in 2015 if conditions continue to be dry 3
  4. 4. 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 FY13 (AF) Water Use FY14 (AF) Notes: July – May of FY 2014 was 4% higher than FY 2013 Nov – May of FY 2014 was significantly warmer than FY 2013
  5. 5. -2.0 0.0 2.0 4.0 6.0 8.0 Fiscal Year 2013 Fiscal Year 2014 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Average Daily Maximum Temperature at Lindbergh Field - Departure from Normal (˚F) Hotter Cooler Ave Daily Max Temp: November – May of FY 2014 was 4.3˚F warmer than normal May 2014 was 7.3˚F warmer than normal
  6. 6. 6 Summer Outlook Temperature Outlook July – September 2014 Climate Prediction Center: Chance of El Niño is 70% during the summer and reaches 80% during fall and winter (June 23, 2014)
  7. 7. 7 Potential Emergency Regulations in Response to Governor’s April 25, 2014 Executive Order  Executive Order contains directives to SWRCB  Request update from urban agencies on actions to reduce water usage  Adopt emergency regulations as necessary  SWRCB survey sent to urban water suppliers  Technical disagreement over time period for comparison  Using 2011 - 2013 base period doesn’t reflect southern California conservation gains
  8. 8. 8 Potential SWRCB Emergency Drought Regulations  Information item at SWRCB Board Meeting on June 17  Proposed emergency regulations at July 15 SWRCB meeting  Current focus on water waste prohibitions  Ongoing discussion about what will be in proposed regulations  Discuss with member agency managers on July 15
  9. 9. 9 Conclusion  Staff closely monitor SWRCB actions  Participate in MWD Member agency review process of WSAP this summer  Prepare 2015 outlook scenarios  Return with detailed report in fall

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