2009 LCRA Water Conservation Plan

1.  Recognize that Board members may have seen some of this before. Also, much of this summarizes what is in the document we provided you.Recognize that Board members may have seen some of this before. Also, much of this summarizes what is in the document we provided you.

2. 2009 LCRA Water Conservation Plan Mix of programs – education and outreach, incentives and rules Incentives Program: Residential Indoor Residential Outdoor Commercial, Institutional & Industrial Firm water customer cost-share Conservation Incentives Program Review Committee 2

3. Water Conservation Incentives Program Review Committee LCRA Board members Scott Arbuckle Michael McHenry Jett Johnson LCRA General Manager designee Kyle Jensen Firm Water Customer members Deborah Gernes Ken Gorzycki Dan Hall Daryl Slusher Bill Sparks 3 LCRA Board members, customers and General Manager Focus on firm water customers and their end users Committee Responsibilities: Approve the dollar amount, per unit, for incentive measures Develop criteria for firm water cost-share program and recommend projects Provide direction on incentive programs LCRA Board members, customers and General Manager Focus on firm water customers and their end users Committee Responsibilities: Approve the dollar amount, per unit, for incentive measures Develop criteria for firm water cost-share program and recommend projects Provide direction on incentive programs

4. Residential Indoor Program Participants to date Cities of Cedar Park, Pflugerville, Burnet, Marble Falls, and Meadowlakes; Lakeway MUD, Travis County WC&ID No.17 Distributed to date 3,151 toilets 1,993 showerheads Process Direct distribution Firm Water Customer issues voucher LCRA pays supplier 4 Gallons in acre foot. 325,851 Each toilet a little reservoir – over 25 year lifetime, saves nearly 1 acre ft. Average cost per unit: $100 Savings/yr: 12,850 gals/hh Cost per acre-foot saved: $360 3,151 distributed to date, around $300,000 ($289K) Gallons in acre foot. 325,851 Each toilet a little reservoir – over 25 year lifetime, saves nearly 1 acre ft. Average cost per unit: $100 Savings/yr: 12,850 gals/hh Cost per acre-foot saved: $360 3,151 distributed to date, around $300,000 ($289K)

5. Residential Outdoor Program Rain sensors: up to $50 Soil moisture controller and sensors: up to $250 Pressure reducing (PR) spray head: $5 Maximum amount: $350 per irrigation system Process Irrigation evaluation and recommendation from FWC to qualify LCRA payment to FWC end-users 5 Note: Table 3, page 9, change $350 to $250 for soil moisture sensors. Soil moisture sensors: Woodlands study, saved 101,000 per home. (UGMO) 15 gpm X 35% =5.25 gpm waste (from 30 to 55 psi) 5.25gpm X 15 minutes =78.75 gals per zone 78.75 gals X 8 zones=630 gals per watering 630 gals X 2 watering per week=1260 gals 1260 gals X 26 weeks = 32,760 gals per yearNote: Table 3, page 9, change $350 to $250 for soil moisture sensors. Soil moisture sensors: Woodlands study, saved 101,000 per home. (UGMO) 15 gpm X 35% =5.25 gpm waste (from 30 to 55 psi) 5.25gpm X 15 minutes =78.75 gals per zone 78.75 gals X 8 zones=630 gals per watering 630 gals X 2 watering per week=1260 gals 1260 gals X 26 weeks = 32,760 gals per year

6. Commercial, Institutional and Industrial Incentive Program High efficiency toilet and urinals: up to $100 Pre-rinse spray valve: up to $65 Other equipment/processes: up to $900 per ac-ft saved Process: must complete CII audit to qualify LCRA inspection LCRA payment to FWC end user 6 Food steamers how work Strainers Cooling towers LCRA cost per ac-ft saved: $116 Alt water sources: Potential uses Irrigation Cooling tower makeup water Toilet flushing Ornamental pond/fountain Laundry Process use Include the example of the Redbud facility: Catchment system can collect up to 250,000 gallons per year. (on an average year) Can also catch up to 40,000 gallons of AC condensate. 1” rainfall will yield 8,000 gallons. Cisterns have a total capacity of 31,000 gallons. Entry cistern capacity is 11,600 gallons. 3 remaining cisterns hold 6,500 gallons each.Food steamers how work Strainers Cooling towers LCRA cost per ac-ft saved: $116 Alt water sources: Potential uses Irrigation Cooling tower makeup water Toilet flushing Ornamental pond/fountain Laundry Process use Include the example of the Redbud facility: Catchment system can collect up to 250,000 gallons per year. (on an average year) Can also catch up to 40,000 gallons of AC condensate. 1” rainfall will yield 8,000 gallons. Cisterns have a total capacity of 31,000 gallons. Entry cistern capacity is 11,600 gallons. 3 remaining cisterns hold 6,500 gallons each.

7. Firm Water Customer Cost-Share Program Types of projects Water loss reduction efforts Efficiency upgrades Recycling and reuse projects Demand-side conservation measures Up to $1,160 per ac-ft of water saved per year, or 50% cost Application Deadline: April 1, 2012 7 LCRA firm water customers may be able to identify conservation options specifically tailored to their own end users or processes. This program will help provide financial incentives to help offset the costs of programs established by the customers. LCRA firm water customers may be able to identify conservation options specifically tailored to their own end users or processes. This program will help provide financial incentives to help offset the costs of programs established by the customers.

8. Program Evaluation Criteria Past participation Cost-share funds for project completion Innovation Certainty of water savings Duration of water savings Amount of annual savings LCRA cost per ac-ft saved Ability to implement 8

9. Cost-Share Program Process Customers submit proposal LCRA staff review & recommend projects Review Committee approves projects Applicants notified of awards Agreement signed & funding awarded up-front Reports: every six months and final report 9

10. TWDB Low-Cost Loans TWDB State Revolving Funds – Green Project Reserve March 1, 2012 deadline SFY 2013 State Revolving Fund Webinar TODAY: Thursday, Jan. 26, 2012 Time: 1:30 p.m.-3:30 p.m. CST TWDB web site: http://www.twdb.state.tx.us/financial/programs/green/ 10

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