maeneen klein by L3GY944X

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									    Maeneen Klein
 Water Conservation Manager
Charlotte-Mecklenburg Utilities
                         What is liquid assets?

• Smart Irrigation Program designed to:

   – Reduce water waste in landscape irrigation

   – Reduce harmful runoff

   – Support healthier landscapes

   – Use best technology in making water use decisions

   – Enhance management of revenue and supply needs
                     What is Smart Irrigation?

• Controllers using daily weather, plant and site
  conditions to determine water needs.

• Controllers capable of cycle and soak/multiple cycles to
  reduce runoff

• Controllers with zone specific scheduling

• Systems retrofitted with state of the art spray heads to
  reduce waste
                   liquid assets requirements
Commercial                       Residential


• Fully functioning Irrigation
  system
• Authorized smart controller
  device
• System Audit
• Education of user and
  provider
Why now?
Hourly Demand For Monday
              07/07/2008
700000
                           Lawn Meter Consumption
                                2007 - 2010
600000




500000




400000
                                                                                       2007

                                                                                       2008

                                                                                       2009
300000
                                                                                       2010




200000




100000




     0
         Jan   Feb   Mar    April   May   June   July   Aug   Sept   Oct   Nov   Dec
                               liquid assets customers

Top commercial irrigation customers targeted
  200 reached; 57 in process of certification; 106 controllers to be replaced

  Ex. – Carolina Panthers, Childress Klein Properties, Birkdale Village



Residential properties become eligible in July
                          HOW TO PARTICIPATE
_____   Audit irrigation system by licensed irrigation
        contractor

____    Installation and programming of smart irrigation
        controller and high efficiency spray heads

____ Follow up inspection of system operation in 30
     days

____    Establish weather data link to controller

____    Submit check list to liquid assets program
              INCENTIVE TO PARTICIPATE

• Exemption from water restrictions during
  stage 1 – 3
• Healthier landscape
• Reduced maintenance and resources
• Mitigated environmental impacts (growing green)
• And beginning in July 2012 . . .
                           INCENTIVE TO PARTICIPATE
• Irrigation rate is capped at Tier 3 when;

  – Irrigation meter and backflow device is installed
  – Smart controller and spray heads are installed, programmed and
    inspected
                                Before July      July 1, 2011
       Tier 1 (1-4 ccf)         $1.45             $.98

       Tier 2 (5-8 ccf)         $1.64             $1.96

       Tier 3 (9-16 ccf)        $2.69             $3.41

       Tier 4 (over 16 ccf)     $5.32             $5.32

       Sewer Charges            $4.31             $4.14
                                                              Revenue Impacts
600000

                             Irrigation Meter Consumption
500000                       Drought
                             Restrictions



400000




300000




200000




100000




     0
         July   Aug   Sept     Oct          Nov     Dec     Jan     Feb   Mar   April   May   June

                                       FY 07      FY 08   FY 09   FY10
                                          Revenue Impacts
                    Average Daily Demand in MG
120



115



110



105



100



 95



 90
      2001   2002    2003   2004   2005   2006   2007   2008   2009   2010
                                             Irrigation Meter Customers

Current Monthly                  New Rates Effective 7/1/11
                                                                          *** Effective July 1, 2012, Irrigation meter customers with
Water Rates                                                               approved Smart Irrigation technology qualify to keep all
                                                                          water usage charges at Tier 3.
Fixed Billing Charge $2.40       Fixed Billing Charge   $2.40
                                                    +
                                 Fixed Water Availability Charge
              +                  Based on customer’s meter size*          * Monthly Availability Charges , Based on Water Meter Size
                                                    +                     Size                  Water                      Sewer
                                                                            5/8 inch             $2.25                       $4.30
Water Usage Charges              Water Usage Charges ***
$2.69 per Ccf ** for Ccfs 1-16                                               1 inch              5.63                        10.75
                                 $3.41 per Ccf** for Ccfs 1-16 (Tier 3)
$5.32 per Ccf for Ccfs 17+                                                   1.5 inch            11.25                       21.50
                                 $5.32 per Ccf   for Ccfs 17+ (Tier 4)
                                                                             2 inch              18.00                       34.40

                                                                             3 inch              39.38                       75.25

                                                                             4 inch              67.50                      129.00

                                                                             6 inch             118.13                      225.75

                                                                             8 inch             202.50                      387.00

                                                                             10 inch            354.38                      677.25

                                                                             12 inch            382.50                      731.00
Advantages of Smart Irrigation
Participant             Location Type        % Reduction water    Year Implemented
                                             use

Los Angles, CA          Homes/Businesses     27%                  2004

Irvine Ranch, CA        Homes                16-24%               2005

Boulder, CO             Homes                24%                  2004-2007

Puget Sound             Homes                20,000gpy per home   2007



Lockheed Martin         Corporate Campus     125 mgy / $1M        2007

McDonalds               Corporate Campus     40% / 1.4 mgy        2006

Ebay                    Corporate Campus     8mgy                 2008



Bend. OR                Govt Sites           36%                  2007

Douglas Co., Colorado   County Park          25%                  2007

Petaluma, CA            City School campus   25% / 11 mgy         2007
           Community Benefits to Charlotte


• Meet our live green goal to reduce irrigation
  use annually by 5%
• Reduce irrigation use by 20% for every
  account with active controller
• Retain 20 MGY in Catawba Basin
      (5 year goal is 100 MGY)
SUSTAINABLE IRRIGATION


 •   Shaves peaks and distributes demand
 •   Provides consistent demand forecasting
 •   Avoids drought yo–yo effect
 •   Brings revenue stability
 •   Promotes efficiency
                                      Partnerships
•   NC Green Industry Council
•   Charlotte Mecklenburg Utilities
•   Vendors / Suppliers
•   Contractors
•   Customers
                  SUSTAINABLE IRRIGATION
                        A Shared Responsibility


Our parks, campuses,
playing fields and
lawns should be as
green as they look.
  QUESTIONS ?




Maeneen Klein
Water Conservation Manager
Charlotte-Mecklenburg Utilities
mklein@charlottenc.gov

								
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