CALAFCO University Water Determination Decision-Making for LAFCo “ Priming the Pump”

CALAFCO UniversityCALAFCO University

Water Determination Decision-Water Determination Decision-Making for LAFCoMaking for LAFCo

““Priming the Pump”Priming the Pump”

Friday, July 21, 2006Friday, July 21, 2006CALAFCO OfficesCALAFCO Offices

Sacramento, CaliforniaSacramento, California

Today’s ProgramToday’s Program

KeynoteKeynote: “: “The Importance of The Importance of Integrating Water Information in LAFCo Integrating Water Information in LAFCo Decision-MakingDecision-Making””

Water Elements Overview – What are the Water Elements Overview – What are the Key Water Elements that LAFCos Should Key Water Elements that LAFCos Should Know?Know?

Water Demands – How much is Enough?Water Demands – How much is Enough?

Senate Bill 1087 – Water and Sewer Service Senate Bill 1087 – Water and Sewer Service Priority for Affordable and Low Income Priority for Affordable and Low Income HousingHousing

Today’s Program (cont.)Today’s Program (cont.)

Urban Water Management Plans, Water Urban Water Management Plans, Water Supply Assessments (SB 610) and Supply Assessments (SB 610) and Written Verifications (SB 221)Written Verifications (SB 221)

Case StudiesCase Studies Culling Water Information from Water

Agencies for SOIs: Nevada Irrigation District

Complexities in Annexation Approvals where Federal Water Service Areas are Involved: City of Oakley

Today’s Program (cont.)Today’s Program (cont.)

Breakout SessionsBreakout Sessions Municipal Service Reviews Annexations Spheres of Influence

Course Materials HandbookCourse Materials Handbook Water/Hydrology reference information Resource Agency websites Glossary, acronyms, unit conversions Speaker Contacts

You have Asked?You have Asked?

What water information is relevant to What water information is relevant to me?me?

Why is it important?Why is it important? Where do I find such information?Where do I find such information? How should I apply it in my LAFCo How should I apply it in my LAFCo

actions?actions? How do I know if the information I am How do I know if the information I am

obtaining is accurate?obtaining is accurate?

Keynote PresentationKeynote Presentation

““The Importance of Integrating The Importance of Integrating Water Information in LAFCo Water Information in LAFCo

Decision-MakingDecision-Making””

Jerry Gladbach, CALAFCO Board of Jerry Gladbach, CALAFCO Board of Director, former President of ACWA, and Director, former President of ACWA, and

Los Angeles LAFCo CommissionerLos Angeles LAFCo Commissioner

Water Element OverviewWater Element Overview

““Water Element Overview – Water Element Overview – What are the Key Water What are the Key Water

Elements that LAFCOs Should Elements that LAFCOs Should Know?”Know?”

Robert Shibatani, Water Industry AdvisorRobert Shibatani, Water Industry Advisor

Jennie Garza, Consulting HydrologistJennie Garza, Consulting HydrologistEIP Associates, a Division of PBS&JEIP Associates, a Division of PBS&J

Dennis Sanchez, Manager Dennis Sanchez, Manager Environmental Infrastructure, STANTECEnvironmental Infrastructure, STANTEC

California Water IndustryCalifornia Water IndustryWater Purveyors

County Water Agencies

Water Districts

Irrigation Districts

Mutual Water Companies

Municipal Utility Districts

Public Utility Districts

City Utility Departments

Industry ResponsibilitiesIndustry Responsibilities

Water supply Water supply StorageStorage Conveyance Conveyance

(raw water)

TreatmentTreatment Distribution (treated water)Distribution (treated water) Demand reduction – conservationDemand reduction – conservation Wastewater disposal – recyclingWastewater disposal – recycling

Water SupplyWater Supply

Water entitlementsWater entitlements Federal Water Contracts

State Water Contracts

Water rights

• Appropriative• Riparian

GroundwaterGroundwater Recycled waterRecycled water Acquired supplies (e.g., transfer, exchange)Acquired supplies (e.g., transfer, exchange)

Water SupplyWater Supply

Is what you see in the water Is what you see in the water entitlement document an accurate entitlement document an accurate reflection of what is actually reflection of what is actually “available”?“available”?

Water AllocationsWater Allocations

Annual supply available = allocationAnnual supply available = allocation LimitationsLimitations on entitlements on entitlements

Shortage provisions of Federal / State contracts

Regulatory

Institutional• Multi-party agreements (e.g., Sacramento

Area Water Forum)• Third party agreements

Limitation: Shortage Limitation: Shortage ProvisionsProvisions

Annual shortages based on water yearAnnual shortages based on water year

ExampleExample: : Federal water “cutback”Federal water “cutback”

CVP CVP M&IM&I contract: 100,000 AFA contract: 100,000 AFA

February – 100% of normalFebruary – 100% of normal

March – 90% of normalMarch – 90% of normal

April – 75% of normalApril – 75% of normal

Delivered quantity:Delivered quantity: 75,000 AF75,000 AF

Limitation: Shortage Limitation: Shortage ProvisionsProvisions

ExampleExample: : Federal water “cutback”Federal water “cutback”

CVP CVP AgAg contract: 100,000 AFA contract: 100,000 AFA

February – 80% of normalFebruary – 80% of normal

March – 50% of normalMarch – 50% of normal

April – 0% of normalApril – 0% of normal

Delivered quantity: Delivered quantity:

ZeroZero

Limitation: RegulatoryLimitation: Regulatory

Water rights – Terms and ConditionsWater rights – Terms and Conditions

ExampleExample: : Required “Required “minimum flows”minimum flows”

Water right – 100 cfs (year-round)Water right – 100 cfs (year-round)

Fish bypass flows – Fish bypass flows – 25 cfs25 cfs (May – June) (May – June)

Fish bypass flows – Fish bypass flows – 35 cfs35 cfs (May – Aug) (May – Aug) in in dry yearsdry years



ExampleExample:: Water right subject to Water right subject to Term 91Term 91

Water right – 75 cfs (year-round)Water right – 75 cfs (year-round)Dry year – Dry year – Delta water quality Delta water quality

requires releases from requires releases from

CVP reservoirsCVP reservoirs

Allowed diversion – 0 cfsAllowed diversion – 0 cfs



ExampleExample: : Beneficial useBeneficial use

Water right – 500 cfsWater right – 500 cfs

Permit Condition Permit Condition

100 cfs consumptive use 100 cfs consumptive use

400 cfs hydropower400 cfs hydropower

Limitation:Limitation: InstitutionalInstitutional

Third Party AgreementThird Party AgreementExampleExample: : City ofCity of Roseville Roseville

Purveyor Specific Agreement Purveyor Specific Agreement (Water Forum)(Water Forum)

Total entitlement – 62,000 AFATotal entitlement – 62,000 AFA

Wet-year diversion – 54,900 AFWet-year diversion – 54,900 AF

Dry-year cutback – Dry-year cutback – 39,000 AF39,000 AF


Water ExchangeWater Exchange

Example:Example: Is it “Paper” or “Wet” Is it “Paper” or “Wet”

Agency acquires Federal ContractAgency acquires Federal Contract Has no Physical Way of diverting itHas no Physical Way of diverting it Enters into an “Exchange” with Another Enters into an “Exchange” with Another

AgencyAgency Water Right “Exchange” for Federal Water Right “Exchange” for Federal

AllocationAllocation


Water Exchange (Cont.)Water Exchange (Cont.)Example:Example: “Exchange” is Contingent Upon“Exchange” is Contingent Upon

Agreement for Shared Diversion Facilities Agreement for Shared Diversion Facilities (Financial Agreement)(Financial Agreement)

SWRCB Expanded Place of Use SWRCB Expanded Place of Use Authorization for the Water RightAuthorization for the Water Right

U.S. Bureau of Reclamation Approval on a U.S. Bureau of Reclamation Approval on a Federal ExchangeFederal Exchange

Full CEQA ComplianceFull CEQA Compliance

Limitation Limitation RecommendationRecommendation

Look closely at the entitlementLook closely at the entitlement……

What are the What are the restrictionsrestrictions?? Are there Are there shortage provisionsshortage provisions built built

into the entitlement agreement?into the entitlement agreement? Are they party to an Are they party to an agreementagreement that that

would limit their annual supplies?would limit their annual supplies? What is the What is the ““firm yieldfirm yield””??

What is “Firm Yield”?What is “Firm Yield”?

Maximum Assured annual quantityMaximum Assured annual quantity

Water entitlement = 100,000 AFAWater entitlement = 100,000 AFASubject to 25% “Cutbacks”Subject to 25% “Cutbacks”Firm YieldFirm Yield = 75,000 AFA = 75,000 AFA

GroundwaterGroundwater

What important questions must What important questions must be answered?be answered?

How much groundwater is How much groundwater is availableavailable?? What is its What is its qualityquality?? Are there seasonal Are there seasonal constraintsconstraints?? Are Are institutional agreementsinstitutional agreements in place? in place? Do we know the “Do we know the “firm/safe yieldfirm/safe yield”?”?


ExampleExample: Groundwater Supply: Groundwater Supply

Water agency is wholly on groundwaterWater agency is wholly on groundwater Groundwater levels droppingGroundwater levels dropping Centered over a “cone of depression”Centered over a “cone of depression” Concomitant reduction in groundwater Concomitant reduction in groundwater

qualityquality Would this be considered an appropriate Would this be considered an appropriate

water supply?water supply?


ExampleExample: Groundwater Banking (ASR) or : Groundwater Banking (ASR) or Conjunctive UseConjunctive Use

Water agency stores surface water in Water agency stores surface water in ground in wet yearsground in wet years

Revert to pumping (in dry years)Revert to pumping (in dry years) Is the ratio of input to withdrawal 1:1?Is the ratio of input to withdrawal 1:1? How much can an agency rely on banked How much can an agency rely on banked

water as a “firm yield” supply?water as a “firm yield” supply?


ExampleExample: Groundwater Quality: Groundwater Quality Coastal water agency relies on Coastal water agency relies on

groundwatergroundwater Overdrafting has led to lower gradientsOverdrafting has led to lower gradients Result - saline intrusionResult - saline intrusion Potential long-term water quality Potential long-term water quality

problemproblem Would this be considered an appropriate Would this be considered an appropriate

water supply?water supply?

Recycled WaterRecycled Water

What important questions must be What important questions must be answered?answered?

How much recycled water is How much recycled water is availableavailable??

How effectively can it How effectively can it offsetoffset current current potable uses?potable uses?

What is the What is the timelinetimeline to have recycled to have recycled water on-line?water on-line?


ExampleExample: Recycled water offset: Recycled water offset

Water agency firm yield – 50,000 AFAWater agency firm yield – 50,000 AFA Current demands – 40,000 AFACurrent demands – 40,000 AFA New development requiring an New development requiring an

additional 15,000 AFA is proposedadditional 15,000 AFA is proposed Recycled water will account for 5,000 Recycled water will account for 5,000

AFA of the future demandAFA of the future demand


ExampleExample: Recycled water offset (cont.): Recycled water offset (cont.)

Should this development proposal be Should this development proposal be approvedapproved??

How confident are we that the 5,000 AFA of How confident are we that the 5,000 AFA of recycled water will offset demands?recycled water will offset demands?

What is the timeframe for full recycled What is the timeframe for full recycled water implementation?water implementation?

Is it solely under the purview of the water Is it solely under the purview of the water agency or are other parties involved?agency or are other parties involved?

StorageStorage

On-stream Storage = Reservoir On-stream Storage = Reservoir CapacityCapacity

Important ConsiderationsImportant Considerations “Dead Pool”

Flood control restrictions (does it have to maintain empty space?)

Refill limitations (how fast does it refill?)

Storage: Reservoir CapacityStorage: Reservoir Capacity

ExampleExample: : Stumpy Meadows ReservoirStumpy Meadows Reservoir

Total Capacity: 16,000 AFTotal Capacity: 16,000 AF

Dead-pool storage: 2,000 AFDead-pool storage: 2,000 AF

Active storage: Active storage: 14,000 AF14,000 AF

Limitation on reservoir supply Limitation on reservoir supply available for useavailable for use


ExampleExample: Folsom Reservoir 1997 : Folsom Reservoir 1997

Full reservoir in JanuaryFull reservoir in January Obligation to preserve flood Obligation to preserve flood

control spacecontrol space Driest March/April on record – Driest March/April on record –

limited refilllimited refill ResultResult: very low water levels in May: very low water levels in May


ExampleExample: Folsom Reservoir: Folsom Reservoir

Full capacity 975,000 AFFull capacity 975,000 AF Flood season: November – MayFlood season: November – May Flood storage: 400,000 to 670,000 AFFlood storage: 400,000 to 670,000 AF April – storage is 575,000 AFApril – storage is 575,000 AF If refill is limited – summer storage If refill is limited – summer storage

starts around 575,000 AFstarts around 575,000 AF

ConveyanceConveyance

TypesTypes of conveyance of conveyance Rivers

Canals (Lined and Unlined)

Pipelines

MethodsMethods of conveyance of conveyance Gravity

Pumping

Conveyance: FactorsConveyance: Factors

LossesLosses Evaporation

Seepage

Leakage

Unlawful diversion

Channel / canal failure

CapacityCapacity


Capacity and connectedness of Capacity and connectedness of on-stream diversions is importanton-stream diversions is important

ExampleExample: : River IntakesRiver Intakes

Existing capacity – 100 cfsExisting capacity – 100 cfs Existing demands – 90 cfsExisting demands – 90 cfs Proposed new project demands – add 25 cfsProposed new project demands – add 25 cfs Existing intake serves western areaExisting intake serves western area Proposed annexation is in eastern areaProposed annexation is in eastern area


Losses are important to consider Losses are important to consider in open conduits/canalsin open conduits/canals

ExampleExample: : Lower Cascade Canal lossesLower Cascade Canal losses

Rated capacity – 45 cfsRated capacity – 45 cfs

Safe capacity – 40 cfsSafe capacity – 40 cfsSummer losses – 12 cfs (30%) Summer losses – 12 cfs (30%)

Delivered to the WTP – 28 cfsDelivered to the WTP – 28 cfs


Consider Canal integrityConsider Canal integrity

ExampleExample: : Linear Linear aged ditchaged ditch systemsystem

Frequent failuresFrequent failures Linearity – no redundancyLinearity – no redundancy Delivery obligations at riskDelivery obligations at risk

Should a new area be approved for Should a new area be approved for annexation which is to be served by annexation which is to be served by this infrastructure?this infrastructure?


““Unaccounted” for water can Unaccounted” for water can affect the total water availableaffect the total water available

ExampleExample: Irrigation ditch : Irrigation ditch unauthorized unauthorized

diversionsdiversions

Total canal releases – 40 cfsTotal canal releases – 40 cfs

Unaccounted diversions – 10 service boxesUnaccounted diversions – 10 service boxes

0.5 cfs per service box – 5 cfs0.5 cfs per service box – 5 cfs


Capacity is important for pipelinesCapacity is important for pipelines

ExampleExample::

Pipeline capacity – 25 cfsPipeline capacity – 25 cfs

Existing demand – 20 cfsExisting demand – 20 cfs

New demand – 10 cfsNew demand – 10 cfs

Has the purveyor planned for this Has the purveyor planned for this increase in required pipeline capacity?increase in required pipeline capacity?


Method of conveyance is Method of conveyance is importantimportant

ExampleExample:: GDPUD Auburn GDPUD Auburn Pump stationPump station

New supply potential – 25 cfsNew supply potential – 25 cfsRiver elevation – 500 ftRiver elevation – 500 ft

Proposed WTP elevation – 2,000 ftProposed WTP elevation – 2,000 ft

Can the purveyor feasibly pump water up Can the purveyor feasibly pump water up 1,500 vertical feet?1,500 vertical feet?

TreatmentTreatment

Treatment plant capacity is Treatment plant capacity is importantimportant

ExampleExample: Water Treatment Plant capacity: Water Treatment Plant capacity

Existing WTP capacity – 60 mgdExisting WTP capacity – 60 mgd Currently operated – 40 mgdCurrently operated – 40 mgd Projected demands over next 20 years – Projected demands over next 20 years –

increase of 40 mgdincrease of 40 mgd

TreatmentTreatment

Treatment plant capabilities are Treatment plant capabilities are importantimportant

ExampleExample: Aged WTP: Aged WTP

Existing treatment train oldExisting treatment train old Difficulty in meeting current regulationsDifficulty in meeting current regulations Perhaps – even a Cease & DesistPerhaps – even a Cease & Desist New drinking water regulationsNew drinking water regulations

TreatmentTreatment

Treatment plant sizing/space Treatment plant sizing/space considerationsconsiderations

ExampleExample: WTP “footprint” : WTP “footprint”

Existing WTP surrounded by developmentExisting WTP surrounded by development No opportunities for expansionNo opportunities for expansion Increased capacity – only through a new Increased capacity – only through a new

alterative WTPalterative WTP

DistributionDistribution

Treated water distribution systemsTreated water distribution systems

Delivery capacity Delivery capacity ““Bottlenecks”Bottlenecks” Pressure zonesPressure zones

Use Areas – Service AreasUse Areas – Service Areas

““Where” certain water entitlements Where” certain water entitlements can be legally used is importantcan be legally used is important

Federal water contracts – Consolidated CVP Federal water contracts – Consolidated CVP Place of UsePlace of Use

Water rights – Authorized Places of Use Water rights – Authorized Places of Use (POU)(POU)

Is the proposed annexation within an Is the proposed annexation within an authorized Place of Useauthorized Place of Use for the water supply for the water supply that is intended to be served?that is intended to be served?

Case Study:Case Study:

““Complexities in Annexation Approvals Complexities in Annexation Approvals where Federal Water Service Areas where Federal Water Service Areas are Involved: City of Oakley/Contra are Involved: City of Oakley/Contra Costa Water District/U.S. Bureau of Costa Water District/U.S. Bureau of

Reclamation”Reclamation”

Lou Ann Texeira and Barbara Graichen, Lou Ann Texeira and Barbara Graichen, Contra Costa County LAFCoContra Costa County LAFCo

Case StudyCase Study

Legislature has encouraged LAFCOs:Legislature has encouraged LAFCOs: Look beyond the "will serve" letter Look beyond the "will serve" letter

Assure timely and available water supplyAssure timely and available water supply

LAFCOs look to the water supplier to LAFCOs look to the water supplier to assure timely and available supply assure timely and available supply

Case StudyCase Study: : annexation sequencing annexation sequencing involving LAFCO and another party with involving LAFCO and another party with similar annexation authority (USBR)similar annexation authority (USBR)

USBR Inclusion ProcessUSBR Inclusion Process

Some factors that may lengthen Some factors that may lengthen the inclusion process:the inclusion process: The need for an Environmental Impact The need for an Environmental Impact

StatementStatement Significant resource issues coupled with Significant resource issues coupled with

disagreements over mitigation measure disagreements over mitigation measure implementationimplementation

Development of HCPsDevelopment of HCPs The need to obtain water resourcesThe need to obtain water resources Lack of waterLack of water

Proposed AnnexationProposed Annexation

March 2006: Contra Costa LAFCOMarch 2006: Contra Costa LAFCO Three separate and concurrent Three separate and concurrent

reorganization proposals reorganization proposals

Involving annexation of territory to:Involving annexation of territory to:

• The City of OakleyThe City of Oakley• Contra Costa Water District (wholesale) Contra Costa Water District (wholesale) • Diablo Water District (retail water)Diablo Water District (retail water)

Available supply?Available supply?

CCWD indicates they could CCWD indicates they could potentially serve Oakley territorypotentially serve Oakley territory Without Central Valley Project WaterWithout Central Valley Project Water

With alternative supplies (i.e., transfers) With alternative supplies (i.e., transfers)

However, no environmental review However, no environmental review of these alternatives was of these alternatives was completedcompleted

““CHICKEN & EGG” CHICKEN & EGG” SITUATIONSITUATION

USBR and LAFCO seek each other's USBR and LAFCO seek each other's approval approval LAFCO may require completion of the LAFCO may require completion of the

Inclusion process prior to filing their Inclusion process prior to filing their Certificate of CompletionCertificate of Completion

USBR accepts LAFCO's action to annex as USBR accepts LAFCO's action to annex as the trigger for accepting and processing the trigger for accepting and processing an inclusion actionan inclusion action

SolutionSolution

Language adopted:Language adopted:

"That the territory being annexed shall be included "That the territory being annexed shall be included within CCWD's contractual water service area for within CCWD's contractual water service area for the USBR Central Valley Project or water supplies the USBR Central Valley Project or water supplies necessary to service the territory being annexed necessary to service the territory being annexed shall be secured by CCWD prior to issuance of any shall be secured by CCWD prior to issuance of any final map and consistent with Section 5.2 of the final map and consistent with Section 5.2 of the East Cypress Corridor Specific Plan." East Cypress Corridor Specific Plan."

Case Study DiscussionCase Study Discussion

Have other LAFCOs Have other LAFCOs encountered similar encountered similar situations?situations?

How are the situations How are the situations being addressed?being addressed?

Lunch PresentationLunch Presentation

““Senate Bill 1087 (Effective Senate Bill 1087 (Effective January 1, 2006): Water and January 1, 2006): Water and

Sewer Service Priority for Sewer Service Priority for Housing Affordable and Low Housing Affordable and Low

Income Housing”Income Housing”

Paul McDougall, Analyst, Housing Policy Paul McDougall, Analyst, Housing Policy Development Division, Department of Development Division, Department of Housing and Community DevelopmentHousing and Community Development

Water DemandsWater Demands

““What Do LAFCos Need to Know What Do LAFCos Need to Know

About Water Demands?”About Water Demands?”

Robert Shibatani, Water Industry AdvisorRobert Shibatani, Water Industry Advisor

Jennie Garza, Consulting HydrologistJennie Garza, Consulting HydrologistEIP Associates, a Division of PBS&JEIP Associates, a Division of PBS&J

Water Demands: How Much is Water Demands: How Much is Enough?Enough?

Verifying Water Demands Verifying Water Demands What Documents are Relevant?What Documents are Relevant? What Should I be Requesting?What Should I be Requesting? What Water Information Sources are What Water Information Sources are

Available?Available? How do I know if the Information I am How do I know if the Information I am

Obtaining is Accurate?Obtaining is Accurate? How does demand reduction / water How does demand reduction / water

ConservationConservation factor in ?factor in ?

Water Demands: How Much is Water Demands: How Much is Enough?Enough?

Demand data are important for:Demand data are important for: Districts with existing unmet or un-served Districts with existing unmet or un-served

demandsdemands

Districts with potential for supply Districts with potential for supply problemsproblems

Groundwater overdraft areasGroundwater overdraft areas

Districts with infrastructure limitationsDistricts with infrastructure limitations

Sources of Demand Sources of Demand CalculationsCalculations

Types of demandTypes of demand Municipal & IndustrialMunicipal & Industrial

AgriculturalAgricultural

Where to find demand calculationsWhere to find demand calculations General PlanGeneral Plan

Urban Water Management PlanUrban Water Management Plan

Water Supply Assessment or VerificationWater Supply Assessment or Verification

Federal Needs Assessment Federal Needs Assessment

Water Master PlanWater Master Plan

Sophistication of Demand Sophistication of Demand ProjectionsProjections

The level of demand analysis can varyThe level of demand analysis can vary information source?information source? Is supply a problem in the area?Is supply a problem in the area?

Demand analysis in areas with ample Demand analysis in areas with ample surface or groundwater may be less surface or groundwater may be less detaileddetailed

What document is the information from?What document is the information from? Individual-development -- cover lessIndividual-development -- cover less State-level documents -- too gross-scaleState-level documents -- too gross-scale District/county-level documents are idealDistrict/county-level documents are ideal

What Information is Necessary What Information is Necessary for LAFCOs?for LAFCOs?

The basicsThe basics Current level of demandCurrent level of demand Projected future demandProjected future demand Demand contribution of the annexationDemand contribution of the annexation

Extra informationExtra information Rate study reports Rate study reports Conservation plans Conservation plans Crop informationCrop information

Details of Demand Details of Demand ProjectionsProjections

What is the time-frame?What is the time-frame?

What is the basis for demand What is the basis for demand calculation?calculation? Population / gallons per capita per dayPopulation / gallons per capita per day

Dwelling units / gallons per DU per dayDwelling units / gallons per DU per day

Agricultural acreage projections / crop Agricultural acreage projections / crop requirementrequirement

Evaluation of Demand Evaluation of Demand ProjectionsProjections

Are the projections accurate?Are the projections accurate? Is it consistent with the General Plan?Is it consistent with the General Plan?

When was the analysis done? When was the analysis done?

Are different projections consistent?Are different projections consistent?

Where did the population, DU, or Where did the population, DU, or acreage estimate come from, and acreage estimate come from, and when? when?

Evaluation of Demand Evaluation of Demand Projections (Cont.)Projections (Cont.)

What are the Assumptions for What are the Assumptions for High, Medium, and Low Density High, Medium, and Low Density Residential?Residential?

Are the Assumptions for the Major Are the Assumptions for the Major Industrial Facilities Accurate?Industrial Facilities Accurate?

How Effective is the Irrigation for How Effective is the Irrigation for Proposed Landscaping and Public Proposed Landscaping and Public Lands?Lands?

Supplemental InformationSupplemental Information

California Water PlanCalifornia Water Plan Population projectionsPopulation projections

U.S. CensusU.S. Census

Local Councils of GovernmentLocal Councils of Government

CA Department of FinanceCA Department of Finance

Water supply dataWater supply data USGS Water Data (surface water)USGS Water Data (surface water)

DWR Bulletin 118 (Groundwater)DWR Bulletin 118 (Groundwater)

California Data Exchange Center (CDEC)California Data Exchange Center (CDEC)

County Crop ReportsCounty Crop Reports

ExampleExample: : Limited Groundwater DataLimited Groundwater Data

Depth of the well: 725 ftDepth of the well: 725 ft Bulletin 118 data:Bulletin 118 data:

• Yield known: 0-200 ftYield known: 0-200 ft• Confining layer: 400 ftConfining layer: 400 ft• No data: below 200 ftNo data: below 200 ft

Water Supply Verification for a basin Water Supply Verification for a basin with limited groundwater informationwith limited groundwater information

ExampleExample: : Potential for Supply Potential for Supply ProblemsProblems

Supply from a CVP contractSupply from a CVP contract Full contract amount can cover demands Full contract amount can cover demands

with annexationwith annexation

However, shortage provisions create a However, shortage provisions create a supply shortfallsupply shortfall

Can the district ensure reduced Can the district ensure reduced demands in dry years?demands in dry years? Drought protection plansDrought protection plans

Conservation plansConservation plans

ExampleExample: Water Conservation: Water Conservation

Water Conservation EstimateWater Conservation Estimate Agency Demands Set – 50,000 AFAAgency Demands Set – 50,000 AFA

Water Conservation Assumes – 5,000 AFA Water Conservation Assumes – 5,000 AFA “Saved” over the Next 10-Years“Saved” over the Next 10-Years

Should this 5,000 AFA be Assumed to Should this 5,000 AFA be Assumed to be Real?be Real?

What Conservation Measures have What Conservation Measures have been Implemented or Planned?been Implemented or Planned?

ExampleExample: Water Conservation : Water Conservation (Cont.)(Cont.)

Water Conservation MeasuresWater Conservation Measures Meters and Tiered PricingMeters and Tiered Pricing

Landscape Irrigation ControlsLandscape Irrigation Controls

ULF FixturesULF Fixtures

New and Retrofit PlumbingNew and Retrofit Plumbing

Residential Interior/Exterior AuditsResidential Interior/Exterior Audits

Distribution System Water AuditsDistribution System Water Audits

ExampleExample: : Existing Un-met DemandExisting Un-met Demand

District with un-served demandDistrict with un-served demand Annexation of new development proposedAnnexation of new development proposed

District has a back-log of customers District has a back-log of customers waiting to be connectedwaiting to be connected

Can the district supply water in a Can the district supply water in a timely manner?timely manner?

ExampleExample: : Existing Un-met Existing Un-met Demand (Cont.)Demand (Cont.)

District with un-served demandDistrict with un-served demand

Should A Higher Priority be Placed Should A Higher Priority be Placed on Existing on Existing “Islands”“Islands”? ?

Should Current Use in “Islands” be Should Current Use in “Islands” be Included in the Included in the Demand Demand CalculationsCalculations??

New Tools for New Tools for thethe Future Future

The California Water Plan The California Water Plan DWR working with California Water and DWR working with California Water and

Environmental Modeling Forum (CWEMF)Environmental Modeling Forum (CWEMF)

New tools being developed:New tools being developed: Information exchange and management Information exchange and management

systemsystem

Improved spatial data coverage (GIS)Improved spatial data coverage (GIS)

Public-domain, well documented modelsPublic-domain, well documented models

Multiple future baselines (“bookends”) Multiple future baselines (“bookends”)

Documents to Ask ForDocuments to Ask For

Urban Water Management PlanUrban Water Management Plan Water Supply Assessment (SB 610)Water Supply Assessment (SB 610) Written Verification (SB 221)Written Verification (SB 221) Raw Water Master PlanRaw Water Master Plan Groundwater Management PlanGroundwater Management Plan Facilities PlanFacilities Plan Treated Water DistributionTreated Water Distribution Capital Improvement Projects (CIP)Capital Improvement Projects (CIP) Service Area Map(s)Service Area Map(s)

Documents to Ask ForDocuments to Ask For

Water ContractsWater Contracts Water Right PermitsWater Right Permits ““Wheeling” AgreementsWheeling” Agreements Third Party AgreementsThird Party Agreements Historical Production RecordsHistorical Production Records Others?Others?

Information ReliabilityInformation Reliability

How Do I Know that the InformationHow Do I Know that the Information I Have is Accurate?I Have is Accurate?

You Can’t Assume it isYou Can’t Assume it is You Have to Check itYou Have to Check it

Follow the Basic Principles Follow the Basic Principles

Rely on Reference DocumentationRely on Reference Documentation

Use Your Own JudgmentUse Your Own Judgment

Seek Expert Advice as NecessarySeek Expert Advice as Necessary

Special ACWA ReportSpecial ACWA Report

““Urban Water Management Plans: Urban Water Management Plans: Water Supply Assessments; SB Water Supply Assessments; SB 610 and 221”610 and 221”

John Schatz, General ManagerJohn Schatz, General Manager

Santa Margarita Water DistrictSanta Margarita Water District

Urban Water Management Urban Water Management Planning ActPlanning Act

California Water Code Section 10610 California Water Code Section 10610 et seq. addresses Urban Water et seq. addresses Urban Water Management Plans (UWMP)Management Plans (UWMP)

basic information regarding the water basic information regarding the water provider is required (i.e., service provider is required (i.e., service area, sources of water supplies, area, sources of water supplies, conservation programs and use of conservation programs and use of recycled water)recycled water)


UWMPs evaluate water supplies and UWMPs evaluate water supplies and demands for a 20-year period; plans demands for a 20-year period; plans must be prepared every five years; must be prepared every five years; next one due in 2010next one due in 2010

Applies to publicly or privately-owned Applies to publicly or privately-owned water suppliers providing more than water suppliers providing more than 3,000 acre-feet of water/year or 3,000 acre-feet of water/year or supply more than 3,000 customerssupply more than 3,000 customers


Department of Water Resources (DWR) Department of Water Resources (DWR) estimates more than 440 entities estimates more than 440 entities throughout the State are required to throughout the State are required to prepare UWMPsprepare UWMPs

Both supply (sources of water) and demand Both supply (sources of water) and demand (recycled water, conservation, must be (recycled water, conservation, must be analyzedanalyzed

UWMPs are exempt from CEQA, but the UWMPs are exempt from CEQA, but the water supplier must conduct a public water supplier must conduct a public hearing prior to adoptionhearing prior to adoption


UWMPs sent to, and reviewed and UWMPs sent to, and reviewed and commented upon, by DWRcommented upon, by DWR

UWMPs have increasingly important UWMPs have increasingly important role since a condition of receiving role since a condition of receiving State funding and drought assistance State funding and drought assistance from the State, and serve as a base from the State, and serve as a base document for evaluating water document for evaluating water supplies for new development (SB supplies for new development (SB 221/610)221/610)


UWMPs prepared in consultation with local UWMPs prepared in consultation with local land use entities (cities and counties)land use entities (cities and counties)

Public input required by law: active Public input required by law: active involvement of diverse social, cultural and involvement of diverse social, cultural and economic elements of the population prior economic elements of the population prior to and during preparation of UWMPto and during preparation of UWMP

UWMPs must include normal, single and UWMPs must include normal, single and multiple dry-year analysis (drought cycles)multiple dry-year analysis (drought cycles)


UWMPs are an excellent UWMPs are an excellent resource for LAFCOs to review in resource for LAFCOs to review in connection with MSRs or other connection with MSRs or other LAFCO activitiesLAFCO activities

Water Supply Assessments Water Supply Assessments (SB 610)(SB 610)

SB 610, effective January 2002, SB 610, effective January 2002, requires the preparation of a Water requires the preparation of a Water Supply Assessment (WSA) in Supply Assessment (WSA) in connection with development projects connection with development projects that are subject to CEQAthat are subject to CEQA

““Project” is defined as more than 500 Project” is defined as more than 500 residential dwelling units and other residential dwelling units and other specified developmentsspecified developments


WSAs must indicate sufficient supply WSAs must indicate sufficient supply reliability over the next 20 years, including reliability over the next 20 years, including normal, single dry, and multiple dry yearsnormal, single dry, and multiple dry years

WSAs may build upon and incorporate the WSAs may build upon and incorporate the agency’s UWMP to the extent the UWMP agency’s UWMP to the extent the UWMP addressed the project; underscores the addressed the project; underscores the importance of a solid and comprehensive importance of a solid and comprehensive UWMPUWMP


The WSA becomes part of the CEQA process The WSA becomes part of the CEQA process and will be evaluated by the city or county and will be evaluated by the city or county on the basis of existing and future planned on the basis of existing and future planned land uses; the WSA is challengeable in land uses; the WSA is challengeable in connection with CEQAconnection with CEQA

Like UWMPs, WSAs may be valuable tools in Like UWMPs, WSAs may be valuable tools in connection with LAFCO activitiesconnection with LAFCO activities

Written Verifications (SB 221)Written Verifications (SB 221)

SB 221, effective January 2002, SB 221, effective January 2002, requires the preparation of a Written requires the preparation of a Written Verification (WV) in connection with Verification (WV) in connection with the approval of a tentative map, the approval of a tentative map, parcel map or development parcel map or development agreement for certain residential agreement for certain residential subdivisionssubdivisions


““Subdivision” is defined as more than 500 Subdivision” is defined as more than 500 residential dwelling units; or, if the water residential dwelling units; or, if the water system has fewer than 5,000 service system has fewer than 5,000 service connections, if the subdivision will increase connections, if the subdivision will increase the number of connections by 10% or more, the number of connections by 10% or more, a WV is requireda WV is required

SB 221 doesn’t apply within urbanized SB 221 doesn’t apply within urbanized (infill) areas and low income projects(infill) areas and low income projects


WVs require that a sufficient water WVs require that a sufficient water supply be availablesupply be available defined as the total water supply defined as the total water supply

available during normal, single-dry and available during normal, single-dry and multiple-dry years within a 20-year multiple-dry years within a 20-year projection of the demand of the projection of the demand of the development, in addition to existing and development, in addition to existing and planned future usesplanned future uses


WVs must be supported by WVs must be supported by substantial evidence; may include: substantial evidence; may include: most recent UWMPmost recent UWMP

WSAWSA

other analytical information showing other analytical information showing service reliabilityservice reliability

Case Study:Case Study:

““Contemporary Issues in Culling Contemporary Issues in Culling Water Information from Water Water Information from Water

Agencies for SOIs: Nevada Agencies for SOIs: Nevada Irrigation District”Irrigation District”

SR Jones, Nevada County LAFCOSR Jones, Nevada County LAFCO

Adventures in Water RightsAdventures in Water Rights

Nevada LAFCo Nevada LAFCo

Updates the Sphere of Influence Updates the Sphere of Influence

forfor

Nevada Irrigation DistrictNevada Irrigation District

Sphere of Influence Sphere of Influence Requirements (CKH)Requirements (CKH)

Commission must update Spheres every Commission must update Spheres every five yearsfive years

Spheres cannot be updated or adopted Spheres cannot be updated or adopted until appropriate Municipal Service until appropriate Municipal Service Reviews have been completedReviews have been completed

Sphere of Influence Sphere of Influence Requirements (CKH)Requirements (CKH)

Commission must consider Four Factors:Commission must consider Four Factors: Present and Planned Land UsesPresent and Planned Land Uses Present and Probable Need for Facilities Present and Probable Need for Facilities

and Servicesand Services Present capacity of facilities and adequacy Present capacity of facilities and adequacy

of servicesof services Social and Economic Communities, if Social and Economic Communities, if

relevantrelevant

Sphere of Influence Policy Sphere of Influence Policy (Nevada LAFCo)(Nevada LAFCo)

Sphere Planning Horizons (3 time periods)Sphere Planning Horizons (3 time periods) Phased Annexation PlanPhased Annexation Plan Master Service Element that demonstrates Master Service Element that demonstrates

the agency’s capacity to provide services the agency’s capacity to provide services to meet the needs of populationto meet the needs of population

Sphere of Influence Sphere of Influence Update Process Update Process

LAFCo Prepared a Municipal Service Review (2004)

District began an update of its Raw Water Master Plan (2005)

District retained a consultant to work with LAFCo to prepare the sphere update

Placer LAFCo staff has been consulted throughout process

Data SourcesData Sources

Potential resources for a water agency Potential resources for a water agency sphere update –sphere update –

Municipal Service Review Municipal Service Review Raw Water Master PlanRaw Water Master PlanUrban Water Management PlanUrban Water Management PlanWater Rights SummaryWater Rights Summary

Timely Availability of Water Timely Availability of Water SuppliesSupplies

LAFCo is Required to Consider the LAFCo is Required to Consider the Timely Availability of Water Supply Timely Availability of Water Supply

A Sphere Plan can make this A Sphere Plan can make this Assessment on a District-wide BasisAssessment on a District-wide Basis

Timely Availability of Water Timely Availability of Water Supplies (CONT.)Supplies (CONT.)

Items to consider: Items to consider: Water EntitlementsWater EntitlementsStorage CapacityStorage CapacityTreatment System Treatment System Distribution SystemDistribution System

Nevada Irrigation District Nevada Irrigation District Sphere of InfluenceSphere of Influence

Adopted in 1986 by Nevada LAFCo (Principal Adopted in 1986 by Nevada LAFCo (Principal County LAFCo)County LAFCo)

Included District, plus islands (surrounded by Included District, plus islands (surrounded by District) as well as a few contiguous areasDistrict) as well as a few contiguous areas

Also included watershed areas in neighboring Also included watershed areas in neighboring Sierra CountySierra County

First update since1986First update since1986

Nevada Irrigation District Nevada Irrigation District

Provides Raw, Agricultural and Treated Provides Raw, Agricultural and Treated Water Water

Service in Nevada and Placer Counties, Service in Nevada and Placer Counties, with minor service area in Yuba Countywith minor service area in Yuba County

Entire Source is Surface WaterEntire Source is Surface Water

Nevada Irrigation DistrictNevada Irrigation District

287,000 acres287,000 acres 16,000 + Treated Water Customers16,000 + Treated Water Customers 5,700 Irrigation Customers5,700 Irrigation Customers Raw Water provided to two citiesRaw Water provided to two cities Ancillary Hydrogeneration and Recreation Ancillary Hydrogeneration and Recreation

ServicesServices

NID By the NumbersNID By the Numbers

10 Storage Reservoirs10 Storage Reservoirs 7 Treatment Plants7 Treatment Plants 37 Storage Tanks & Reservoirs37 Storage Tanks & Reservoirs 425 miles of Transport Ditches and 425 miles of Transport Ditches and

PipelinesPipelines 300 miles of Distribution Pipelines300 miles of Distribution Pipelines

NID Source CapacityNID Source Capacity

Annual surface water supply is 358,000 Annual surface water supply is 358,000 acre feet. acre feet.

Water entitlements for up to 450,000 acre Water entitlements for up to 450,000 acre feetfeet

Raw water demand for 2005 was 164,900 Raw water demand for 2005 was 164,900 acre feetacre feet

Demand projection for 2025 is 208,100 Demand projection for 2025 is 208,100 acre feetacre feet

Problems – and SolutionsProblems – and Solutions

Water Entitlements:Water Entitlements: District’s water registry has over 50 District’s water registry has over 50

entitlementsentitlements A few riparian rights

22 pre-1914 rights

28 post-1914 rights

Are there any constraints on the District’s Are there any constraints on the District’s stated water entitlements? stated water entitlements?

Possible ConstraintsPossible Constraints

Place of Beneficial Use (are there Place of Beneficial Use (are there limitations on the area that can be limitations on the area that can be served?)served?)

Use it or lose it (both pre- and post-1914 Use it or lose it (both pre- and post-1914 rights can be lost through non-use)rights can be lost through non-use)

Type of Use (are there limitations on how Type of Use (are there limitations on how the water may be used?)the water may be used?)

State Water Resources State Water Resources Control BoardControl Board

… … to establish and maintain a stable system to establish and maintain a stable system of water rights in California …of water rights in California …

Grants LicensesGrants Licenses Monitors Existing UsesMonitors Existing Uses Information ResourceInformation Resource

Closing RemarksClosing Remarks

Follow-Up and EvaluationsFollow-Up and Evaluations

Use the Course HandbookUse the Course Handbook

Contact the SpeakersContact the Speakers

Watch the CALAFCO WebsiteWatch the CALAFCO Website

Thank You!Thank You!

CALAFCO University Water Determination Decision-Making for LAFCo “ Priming the Pump”

Documents

Transcript of CALAFCO University Water Determination Decision-Making for LAFCo “ Priming the Pump”