Water Planning Committee Presentation by Alexi Schnell, Water Resources Specialist

1. Presentation by:
Alexi Schnell, Water Resources Specialist
Water Planning Committee
July 23, 2015 Meeting
Update on Supply Conditions and
Drought Response Activities
Lake Oroville
Source: CNRFC, NOAA

2. 2
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)
• June 2015 is 25% lower than June 2014
• FY 2015 is 10.5% lower than FY 2014

3. 3
Average Daily Maximum Temperature at
Lindbergh Field – Departure from Normal (oF)
-2.0
0.0
2.0
4.0
6.0
8.0
10.0
Fiscal Year 2014 Fiscal Year 2015
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Hotter
Cooler

4. 4
Assessing Compliance with SWRCB
Mandatory Conservation Standards
Source: July 7, 2015 SWRCB Fact Sheet
 Governor’s April 1 Executive Order
 Achieve statewide 25% reduction in potable urban water
usage through February 2016
 Reduce usage as compared to the amount used in 2013

5. 5
Total Potable M&I Water Use
SWRCB Emergency Regulation Reporting Months
-
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
• June 2015 is 26% lower than June 2013

6. 6
Average Daily Maximum Temperature at
Lindbergh Field – Departure from Normal (oF)
-2.0
0.0
2.0
4.0
6.0
8.0
10.0
Months in 2013 2015 - 2016
SWRCB Emergency Regulation Reporting Months
Jun Jul Aug Sep Oct Nov Dec Jan Feb
Hotter
Cooler

7. 7
Local Service Area Conditions
 Local reservoir storage on July 20, 2015 was
approximately 272,319 AF, or 36% of capacity
Water Year 2015 Precipitation
Through July 20, 2015
Station Actual in. % Normal
Lindbergh Field 10.66 105%
Ramona Airport 12.02 77%

8. 8
DWR’s Updated Model Water Efficient
Landscape Ordinance
 Governor’s April 1 executive order required DWR’s
model landscape ordinance be revised to
 Increase water efficiency
 Limit areas covered in turf
 Adopted by California Water Commission July 15
 Effective December 1, 2015
 Applies to newly installed
landscaping or significant
modifications to existing

9. 9
DWR’s Updated Model Water Efficient
Landscape Ordinance (cont.)
 Water allowance formula revised to limit turf
 Reduces square-footage of landscape projects
subject to the ordinance
 from 2,500 square feet to 500 square feet
 Limits lawns in commercial settings to functional
uses
 Bans turf in most street medians and parkways
 Expected to reduce water use
 New homes by 20%
 Commercial landscapes by 35%