1. City Council
October 5, 2012

2. San Angelo Water Supply
Update
October 5, 2012

10. E. V. Spence Reservoir
Stored Water Volume in Acre-Feet
30,000
28,520
25,000
20,000
15,000
10,000
5,000
1,814
979
0
Nov-11 Dec-11 Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-12 Sep-12 Oct-12

11. Ivie Reservoir
142,600
Stored Water Volume in Acre-Feet
160,000
142,600
140,000
120,000
108,600
100,000
80,000
60,000 64,870
40,000
20,000
0
Nov-11 Dec-11 Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-12 Sep-12 Oct-12

12. Lake Summary
• Lake Nasworthy 7,389 A-F +1,333 A-F
• Twin Buttes 13,838 A-F + 8,101 A-F
• O C Fisher 2,062 A-F +2,062 A-F
• Spence 28,520 A-F +27,541 A-F
• Ivie 142,600 A-F +77,730 A-F
Total Inflow +116,767 A-F

13. Water Supply Status
• Supply is adequate to meet needs for next 22 months
• Trigger point for Drought Level I
Less than 24 month water supply
• Criteria met for Drought Level I

14. Watering Allowance April-October
Water Drought Level Drought Level Drought Level
Conservation I II III
• Lawns, Twice every Twice every Once every Not Allowed
Shrubs, Trees, 7 days 7 days 7 days
Tee Boxes
•Golf Course Daily Daily Daily Not Allowed
Greens
•New Daily for Daily for Once Every Not Allowed
Landscape 28 days 28 days 7 Days

15. Watering Allowance November-March
Water Drought Level Drought Level Drought Level
Conservation I II III
• Lawns, Once every Once every Once every Not Allowed
Shrubs, Trees, 7 days 14 days 14 days
Tee Boxes
•Golf Course Daily Daily Daily Not Allowed
Greens
•New Daily for Daily for Once Every Not Allowed
Landscape 28 days 28 days 14 Days

16. Surcharge Table
Residential
Water Drought Level
Surcharge Rate Drought Level I Drought Level II
Conservation III
$1.50 40,000
$2.50 50,000
$5.00 60,000
$2.00 25,000
$3.50 35,000
$6.00 45,000
$3.50 10,000
$5.00 20,000
$8.00 80,000
$6.00 10,000
* Residential usage is the combined usage of building and landscape meters

17. Surcharge Table
Commercial/Industrial Landscape
Water
Surcharge Rate Drought Level I Drought Level II Drought Level III
Conservation
$1.50 90,000
$2.50 110,000
$5.00 130,000
$2.00 75,000
$3.50 95,000
$6.00 115,000
$3.50 60,000
$5.00 80,000
$8.00 100,000
($2.50) On All Usage

18. Recommendation
• Adopt Resolution Implementing Drought Level I
• Effective October 8th
• Surcharges effective with November utility billing

19. City Council
October 5, 2012