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Oakdale Irrigation District Water Resources Plan A Community Plan. A Successful Future. Financial Model and Discussion of Preferred Project. April 18, 2006. Public. Involvement. Technical. Institutional. Analyses. Activities. The Water Resources Plan Goals. - PowerPoint PPT Presentation
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Slide 1April 18, 2006
Oakdale Irrigation DistrictWater Resources Plan
A Community Plan. A Successful Future.
Financial Model and Discussion of Preferred
Project
Oakdale Irrigation DistrictWater Resources Plan
A Community Plan. A Successful Future.
Financial Model and Discussion of Preferred
Project
2
The Water Resources Plan Goals
Technical Analyses
Institutional Activities
PublicInvolvement
• Provide long-term protection to OID’s water rights.
• Address federal, state, and local water challenges.
• Rebuild/modernize an out-of-date system to meet changing customer needs.
• Develop affordable ways to finance improvements.
• Involve the public in the planning process.
3
The Project Team will need Board Input Throughout the PEIR Preparation
Technical Analyses
Institutional Activities
PublicInvolvement
• Numerous issues from Phase 1 need continued Board input.
• Some items specifically relate to PEIR activities
• Other items, while not strictly tied to PEIR, need continued Board discussion
4
Schedule of Board Involvement
Expansion of Service Policy Guiding Principles (Board Action)
5
The WRP Recommends Expansion into the SOI
The WRP goals need to be consistent with OID policies
A review of the current OID Annexation Policy is necessary
Recommend a 2 step process– Develop “Guiding Principles”– Revise Annexation Policy as
necessary
Provide long-term protection to OID’s water rights
Address federal, state and local water challenges
Rebuild/modernize an out-of-date system to meet changing customer needs
Develop affordable ways to finance improvements
Involve the public inthe planning process
6
Guiding Principles are District Policy Statements
• GP #1: Expansion into SOI shall not negatively impact existing OID customers as it relates to water supply reliability, cost of service, availability of service, etc.
• GP #2: Transfers should achieve the greatest local benefit with the least amount transferred.
7
Guiding Principles are District Policy Statements
• GP #3: When surplus water becomes available over the next 20 years, it shall be committed to meeting several priorities.
1. Transferred to meet the WRP Goals and economic needs of the District,
2. To insure the future local water needs for the cities of Oakdale and Riverbank,
3. To increase opportunities for expansion within the sphere of influence
4. And other needs as determined by the Board
8
Guiding Principles are District Policy Statements
• GP #4: Water for SOI expansion shall be provided as a supplemental supply to SOI users.
• GP #5: Expansion into SOI shall only occur on developed agricultural land.
9
Outside the OID service area (within SOI):
Fruits and Nuts: 6,900 acres
Corn and Oats: 3,700 acres
10
Guiding Principles are District Policy Statements
• GP #6: Agricultural water for SOI expansion shall be prioritized based on considering all the following factors:
1. Least water demand2. Highest efficiency of use (trees over pasture)3. Large ag parcels over small ag parcels4. Contiguous over non-contiguous5. Least long-term maintenance costs to OID6. Least cost to serve by OID7. Ability to benefit local aquifers (in-lieu recharge)8. Self-sufficient during a drought – can pump their own
water and can pump into OID canal for use downstream
9. No ag water drainage leaving property
11
Schedule of Board Involvement
• Confirmation of “Preferred Alternative” (Proposed Program)
• Financial Model/Water Transfer Discussion
• CEQA Next Steps
12
The Preferred Alternative (“Proposed Program”) has Several Components
• Flow Control and Measurement
• Canal Maintenance and Rehabilitation
• CIP Pipe Replacement• Main Canals and Tunnels
Program• District Groundwater
Wells• New Regulating
Reservoir and Woodward Intertie
• Turnout Replacement Program
• Surface Water Outflow Management
• Drainwater Reclamation Program
• Drought Response Plan• Expansion into Sphere of
Influence• Water Transfers• Future Provision of Water
for Cities
13
The Preferred Alternative (“Proposed Program”) has Several Components
• Flow Control and Measurement
• Canal Maintenance and Rehabilitation
• CIP Pipe Replacement• Main Canals and
Tunnels Program• District Groundwater
Wells• New Regulating
Reservoir and Woodward Intertie
• Turnout Replacement Program
• Surface Water Outflow Management
• Drainwater Reclamation Program
• Drought Response Plan• Expansion into Sphere of
Influence• Water Transfers• Future Provision of Water
for Cities
14
Flow Control and Measurement
Improve DSO ability to meet customer water needs
Enable growers to modernize on-farm operations
Reduce operational spills Supports revised Service
Standards All projects within OID Right
of Way
15
Flow Control and Measurement Example Project
New concrete structure Motor operated flow
control gates Downstream
measurement flumes SCADA Flows coordinated with
reservoir releases
Customer Benefits: Enables consistent water
levels, ability to better respond to customer demands, grower in
control
16
Main Canals and Tunnels Program
2-Mile Bar
Goodwin Dam
TunnelNo. 7
TunnelNo. 9
2-mile bar slide zone outside OID Right of Way
Main Canals &Tunnels are on separate CEQA track but will be discussed in PEIR
Working with Condor to prioritize projects relative to other WRP needs
17
OID Groundwater Wells Program
Improve peak supply flexibility
Increase drought year supply reliability
Locations TBD by OID over course of Implementation
May require Right of Way acquisition
18
District Drought Response Plan
• Additional District groundwater pumping capabilities
• Cooperative use of private groundwater wells• Expansion of Service into areas with
groundwater• Modifications to delivery schedules• Pursue land idling agreements as a
consideration for long or severe droughts
19
Regulating Reservoir Recommendations
Van Lier ReservoirSouth Side: Adjust
Van Lier Operations
North Side: Re-establish Intertie to Woodward Reservoir
North Side:New Reservoir at Burnett-Cometa
split
Woodward Reservoir
New Reservoir
20
North Side Reservoir Manage mismatches in
supply and demand Meet increases in
irrigation demand, providing greater flexibility and shorter response time
Provide temporary storage of excess flows during unscheduled cuts in demand
Will involve Right of Way acquisition
21
Woodward Intertie
22
Drainwater Reclamation Program Improve peak irrigation
season supply closer to the point of use, which increases operating and scheduling flexibility
Plan routing of excess lateral flows to the drainwater storage reservoirs
Some facilities will require Right of Way acquisition
23
Surface Water Outflow Management Program
Regulate outflows from the OID service area
Provide predictable timing/quantity for managed re-use by downstream water users
Potential water quality benefits
Facilities will require Right of Way acquisition
24
These Program Components Make Up the Preferred Alternative
• Flow Control and Measurement
• Canal Maintenance and Rehabilitation
• CIP Pipe Replacement• Main Canals and Tunnels
Program• District Groundwater
Wells• New Regulating
Reservoir and Woodward Intertie
• Turnout Replacement Program
• Surface Water Outflow Management
• Drainwater Reclamation Program
• Drought Response Plan• Expansion into Sphere of
Influence• Water Transfers• Future Provision of Water
for Cities
25
Schedule of Board Involvement
• Confirmation of “Preferred Alternative” (Proposed Program)
• Financial Model/Water Transfer Discussion
• CEQA Next Steps
26
Four alternatives were developed to address what to do with conserved water
Alternative 3 moderately expands service within OID’s Sphere of Influence.
ALTERNATIVE 4ALTERNATIVE 4
67,000 ac-ft
Supports OID
expansion into SOI, approx.
16,750 acres
Transfers to willing buyers
(9,000 ac-ft more than current)
Variable transfers to willing buyers
ALTERNATIVE 2
50,0
00 a
c-ft 17,000 ac-ft
Transfers to willing buyers
(9,000 ac-ft more than current)
ALTERNATIVE 3
50,0
00 a
c-ft 17,000 ac-ft
Supports OID
expansion into SOI, approx.
4,250 acres
27
Financial Model was Used to Evaluate Revenue Options
• Rates and Charges- 54,100 acres in-District (-1,600 acres net)- 4,250 acres expansion ($1,600 buy-in, in-
District rate – equiv to $40/ac long-term contract w/ no buy-in)
- 3% annual escalation• Hydropower
- Based on current agreement- $12.5M to $5.5M annually
28
Financial Model was Used to Evaluate Revenue Options
• Other- Property Tax and Miscellaneous- Assumed that by 2007, ERAF Terminates
• Water Transfers- Stanislaus River (Top) 30,000 to 50,000 af
($210/af)- Surface Water Outflow (Bottom) 0 to
30,000 af ($20/af)
29
WRP Recommended AltOakdale Irrigation DistrictCombined Fund Balance
-$10,000,000
-$5,000,000
$0
$5,000,000
$10,000,000
$15,000,000
$20,000,000
$25,000,000
$30,000,000
$35,000,000
$40,000,000
2005 2010 2015 2020 2025 2030
Year
Net Revenues Ending Balance Target Balance
Modify Critical
30
No Water Transfers, Full AnnexOakdale Irrigation DistrictCombined Fund Balance
-$300,000,000
-$250,000,000
-$200,000,000
-$150,000,000
-$100,000,000
-$50,000,000
$0
$50,000,000
2005 2010 2015 2020 2025 2030
Year
Net Revenues Ending Balance Target Balance
Modify Critical
31
Water Charge would need to Increase without Water Transfers
Per Acre Water Charge
$0
$100
$200
$300
$400
32
Transfers are Necessary to Achieve WRP Goals
Annual Costs- O&M = $8M- CIP = $3M -
$6M- Main Canals and
Tunnels (debt service) - $5M
Revenue (w/o Transfers)- Water Charge = $1M- Misc = $0 - $1M- Power - $5.5M -
$12.5M
Total = $16M to $19M Total = $6.5M to $14.5M
33
Schedule of Board Involvement
• Confirmation of “Preferred Alternative” (Proposed Program)
• Financial Model/Water Transfer Discussion
• CEQA Next Steps
34
California Environmental Quality Act (CEQA) Process
Disclose potential impacts of a proposed program/project Programmatic document to allow for
development/refinement of future actions (e.g. water transfers)
Obtain public and agency input Mitigate potential significant impacts (if any) to extent
possible
OID’s role:Consider the above when making a
decision on the program
36
Preferred/Best Apparent Alternative = Proposed Program
Proposed program must be defined to allow for environmental review
Vast majority of individual actions or individual will require additional refinement (e.g. outflow basin locations and operations)
PEIR will identify overall anticipated impacts and identify avoidance criteria and programmatic mitigation
Future documents (primarily negative declarations) will tier from PEIR and use avoidance criteria and mitigation as applicable
37
CEQA Path Forward
• Programmatic review• Those actions/projects that are essentially O&M will
be identified as such (e.g. Flow Measurement projects)
• Resource studies (landowner contacts for field reviews)
• Public draft to be released in November (administrative draft by end of September)
38
Implementing Proposed Program Will Benefit OID’s Customers and the Community
Protect OID’s water rights. Enhance customer service for all users. Rebuild, modernize, and expand system
infrastructure. Protect the future water supply needs of the
cities of Oakdale and Riverbank. Keep water rates affordable through a
balanced effort of water transfers and service to “new” customers within OID’s Sphere of Influence.
Substantially increase water supply reliability and meet OID service in a worst-case drought.
39
Summary
• Significant Board and public interaction• Have fully defined and characterized the
Proposed Program• Ready to start impact analyses
40
Schedule of Board Involvement
Infrastructure Projects and Details, Consolidation of Main Canals and Tunnels and near-term WRP Projects (3-year CIP)
Slide 41April 18, 2006
Oakdale Irrigation DistrictWater Resources Plan
A Community Plan. A Successful Future.
Financial Model and Discussion of Preferred
Project
Oakdale Irrigation DistrictWater Resources Plan
A Community Plan. A Successful Future.
Financial Model and Discussion of Preferred
Project
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