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2021 Urban Water Management Plan Update WORKSHOP ITEM #16 January 20, 2021 Workshop Discussion2021 Urban Water Management Plan UpdateWorkshop Discussion
•BACKGROUND / HISTORYBACKGROUND / HISTORY 2021 UWMP Update Workshop2021 UWMP Update Workshop water system customers13,300 District has about •feet of water annually-acreindirectly to
more than 3,000 customers or supplying more than 3,000 owned, providing water for municipal purposes either directly or “Urban water supplier" means a supplier, either publicly or privately
•five yearsit every update suppliers prepare an urban water management plan (UWMP) and Water Management Planning Act requires that all urban water Urban
•BACKGROUND / HISTORYBACKGROUND / HISTORY 2021 UWMP Update Workshop2021 UWMP Update Workshop Public hearing is required•exempt from CEQA processUWMP is Preparation of •2021updated UWMP
no later than July 1, submit and Adopt •Current UWMP was adopted in June 2016•agenciesRequires coordination and communication with local land use planning •needswateravailable to meet
existing and futuresupplies are waterto ensure that adequateplanningresourceterm -Purpose of UWMP is to enable water suppliers long
•NEW INFORMATIONNEW INFORMATION UWMP Update Workshop2021 UWMP Update Workshop2021 Mandatory topics for discussion•Water Demand Management Measures–Section 8 •Water Shortage Contingency
Plan–Section 7 •Water System Supplies–Section 6 •7 Baselines and Targets-SB X7–Section 5 •System Water Use–Section 4 •Existing Water Facilities–Section 3 •Service Area–Section 2 •Introduction–Sectio
n 1 •utline:OUWMP
•NEW INFORMATIONNEW INFORMATION UWMP Update Workshop2021 UWMP Update Workshop2021 Consistency with the Sustainable Groundwater Management Act •Additional requirements for Water Shortage
Contingency Plans•Discussion of energy intensity•Discussion of seismic risk•drought riskAdditional requirements regarding water reliability assessment and •water demand projectionsout
-buildInclusion of updated •2020 period–of historic data for the 2016 Inclusion •New requirements for 2021 UWMP:
•NEW INFORMATIONNEW INFORMATION UWMP Update Workshop2021 UWMP Update Workshop2021 of UWMP of Department of Water ResourcesSubmittal -25June •of UWMPAdoption -16June •Hearing on UWMPPublic
-16June •of draft UWMPReview -19May •of Water Shortage Contingency PlanAdoption -5May •PlanContingency Hearing on Updated Water Shortage Public -5May •WorkshopIntroductory -February
3 •Anticipated UWMP schedule:
•NEW INFORMATIONNEW INFORMATION UWMP Update Workshop2021 UWMP Update Workshop2021 Pipeline replacement and Water Loss Reduction•based billing-Metering of customers and implementation
of volume•Removed about 1.3 mgd from potable water system•WellFibreboardConstruction of •Reduction can be attributed to:•mgd4.06 Average day demand = •mgd7.18 Maximum day demand = •Production
for 2020•mgdAverage day demand = 6.67 •mgdMaximum day demand = 14.84 •Historic peak production in 2007•Historic potable water production:
0.0Historic Minimum Day DemandEstimated Maximum Day DemandHistoric Maximum Day DemandHistoric Average Day Demand 2020-1. Historic Potable Water Demands, 1980 -Figure 4 Demand, mgd2020201520102005200
0199519901985198016.014.012.010.08.06.04.02.0
•1,48413,290Total27.4WaterRevenue-4.05997TDGCIncludes–Landscape Irrigation 4.06079Institutional/Governmental6.9Commercial5.378ResidentialFamily-Multi52.412,535ResidentialFamily-SinglePercentage(milli
on gals)Volume AccountsNumber of Category NEW INFORMATIONNEW INFORMATION UWMP Update Workshop2021 UWMP Update Workshop2021 2020 potable water usage:
•NEW INFORMATIONNEW INFORMATION UWMP Update Workshop2021 UWMP Update Workshop2021 Additional wells will be needed in the future•mgdExisting firm water production capacity of 10.6 •family
residences-Existing occupancy levels for single•waterrevenue -No change in non•No redevelopment of existing developed parcels•allowable density per zoning of vacant parcelsMaximum •Assumptions:•Slig
htly above historic levels from 2007•mgd7.44 demand = Average day •mgdMaximum day demand = 16.16 •out water demand projections-Build
•16.167.442020 UWMP17.078.662015 UWMP21.8810.172010 UWMP1,313Glenshire–Master Plan 200425.4613.05Truckee–2004 Master Plan mgdDay, MaximumBuildoutmgdAverage Day, Buildout Usage , gallonsMaximum
DaySFRgallonsUsage,Average DaySFRYear NEW INFORMATIONNEW INFORMATION UWMP Update Workshop2021 UWMP Update Workshop2021 ay demandd7.18 maximum •emand day d4.06 average •2020 actual production
was: •Comparison of Previous Buildout Water Demand Projections
•FISCAL IMPACTFISCAL IMPACT UWMP Update Workshop2021 UWMP Update Workshop2021 There is no direct fiscal associated with this workshop
•RECOMMENDATIONRECOMMENDATION UWMP Update Workshop2021 UWMP Update Workshop2021 Receive this report and provide comment