“Designed Solutions For Conjunctive Water Management” www.rechargedevelopment.com
• How do cities find water for future growth? • What are the solutions for drought? • Can additional flood control be provided? • Where is the water for new businesses? • Where is the water for new businesses? • Are there alternatives to drying up farms to get water? • How can cities recover wasted water? • How will the water needs of agriculture be met?
How is Ownership in a Surface Reservoir Established ? • The volume of storage space to be developed is determined. • The cost of each AF of “space” of is billed • The cost of each AF of “space” of is billed to space holders to finance the project. • Construction of a dam and reservoir is accomplished. • Delivery and accounting processes are developed and implemented.
RDC™ Patented Process for Owning Recharged Water RDC™ Patented Process for Owning Recharged Water Creating New Opportunities RDC Accounting for ARUs filled through MAR Purchaser Water Delivery
Surface water stored in (ARU) Natural Storage (Water Right Curtailed by the State)
RDC ™ Aquifer Storage Concepts Surface Storage - Aquifer Private Recharge Storage Owned ARUs King Hill Diversion of Storage from ARUs Springs
ARUs Filled Land Surface MAR Site MAR “Natural” Groundwater
ARUs Filled Land Surface MAR Site MAR ARUs contain surface water stored in the ESPA. ARUs contain surface water stored in the ESPA. “Natural” Groundwater
The ARU -- the Peer-to-Peer “Currency” of the Snake Basin • Purchase ARUs • Purchasing ARUs Accesses Accounting. • ARUs are a virtual 1 acre-foot Container. • Water Allocated to an ARU is the property of • Water Allocated to an ARU is the property of the ARU owner to use, trade, or sell. • ARUs are infinitely refillable through MAR. • The number of available ARUs has been pre- established by RDC to prevent dilution of purchased value.
“The best economic benefit for all can usually be accomplished when individuals act in their own self - individuals act in their own self - interest” . Adam Smith, the father of modern economics
Recharged water is captured in owned ARUs for redistribution within the city.
Comparative Cost of Surface Storage and ARU Storage • Dam Raised to gain 20,000 acre-feet • Dam Raised to gain 20,000 acre-feet of surface storage cost $50,000,000. of surface storage cost $50,000,000. • RDC has provided 20,000 acre-feet • RDC has provided 20,000 acre-feet of ARU surface water storage for of ARU surface water storage for less than $500,000. less than $500,000. • Annual O & M costs for ARU storage • Annual O & M costs for ARU storage are estimated to be less than 1/3 the are estimated to be less than 1/3 the cost of O & M for traditional cost of O & M for traditional reservoir storage space. reservoir storage space.
MAR ARU ALLOCATION ARUs PROCESSES Owned Storage Storage Distribution Storage Distribution Processes
ARU STORAGE CAN PROVIDE THE WATER SUPPLY FOR THE IRRIGATION OF PARKS, LAWNS, & GARDENS WITHIN THE MUNICIPAL SERVICE AREA. MUNICIPAL SERVICE AREA. AQUIFER STORAGE IS THE BEST ALTERNATIVE TO DUAL MUNICIPAL WATER SYSTEMS.
Summary Slide • All private recharge gets credited to the • All private recharge gets credited to the SWC agreement. SWC agreement. • All RDC surface water recharged goes into • All RDC surface water recharged goes into ARUs and stays there until used. ARUs and stays there until used. • In a short year supplies held ARUs are • In a short year supplies held ARUs are delivered via the accounting to designated delivered via the accounting to designated pumps, or by exchange to canals as an pumps, or by exchange to canals as an extension of the surface reservoir systems. extension of the surface reservoir systems.
Principles of ARUs • ARUs are a virtual vehicle for defining • ARUs are a virtual vehicle for defining surface water storage retained in the ESPA. surface water storage retained in the ESPA. • ARUs represented a patented process for • ARUs represented a patented process for retaining the surface storage definition retaining the surface storage definition below land surface. The outcome of below land surface. The outcome of moving surface water into storage below the moving surface water into storage below the surface of the ground is a unique way of surface of the ground is a unique way of converting groundwater use to surface converting groundwater use to surface water. water.
Benefits of Maintaining Surface Storage in ARUs • It facilitates adding ARUs as the vehicle for • It facilitates adding ARUs as the vehicle for extending the surface reservoir system. extending the surface reservoir system. • It gives the RDC invention an important • It gives the RDC invention an important distinction from the recharge activities of others. distinction from the recharge activities of others. • By only allowing the extinguishment of ARU • By only allowing the extinguishment of ARU storage through diversion and beneficial use storage through diversion and beneficial use ESPWU maintains the incentive for the ESPWU maintains the incentive for the implementation of conjunctive water implementation of conjunctive water management. management.
Benefits of Maintaining Surface Storage in ARUs • By maintaining virtual control of surface water • By maintaining virtual control of surface water stored in ARUs there are both legal and water stored in ARUs there are both legal and water supply benefits gained by ARU owners. supply benefits gained by ARU owners. • ARU holders can claim application of the surface • ARU holders can claim application of the surface water rules for storage use and carryover. water rules for storage use and carryover. • Because ARUs are privately developed and owned, • Because ARUs are privately developed and owned, water bank and rental pool fees do not apply, water bank and rental pool fees do not apply, which increases the owner value. which increases the owner value.
Surface water
Model Grid 1 mile x 1 mile Place of Use for Place of Use for ARUs ARUs
Example: Surface Storage Transfer Surface Storage Surface water in ARUs If surface storage is moved to If surface storage is moved to ARUs there is no reason to go through the Rental Pool. Water is simply being moved from one surface storage to another.
Accounting & Data MAR Storage Delivery Bases EVENT MAR ARU Pump Data Data Data Privately owned Storage Measured Stored Measured Stored Volume Volume
THE TOP OF THE AQUIFER REFLECTED AT 1000 SPRINGS BETWEEN MILNER AND KINGHILL Spring Discharge in Average cfs Spring Discharge in Average cfs Stored Water IPCO’s Swan Falls Entitlement 2025
ESP WATER SUPPLY ESP WATER SUPPLY The “sick aquifer?” 400 350 300 M M 250 A Groundw ater 200 Reservoirs F 150 Surfacew ater 100 50 0 Volum e
ESP WATER SUPPLY ESP WATER SUPPLY Title given to IPCO by the State 400 350 300 M M 250 250 A Groundw ater 200 Reservoirs F 150 Surfacew ater 100 50 0 Volum e
Basin, Milner, Springs, Retained 25000 20000 Annual CFS 15000 Basin Input Milner Milner Average An Springs Retained 10000 5000 0 1900 1920 1940 1960 1980 2000 2020 Years
The RDC Steps to Aquifer Storage Ownership • Purchase ARUs from RDC. • Purchase ARUs from RDC. • Monies from ARU Sale Construct MAR • Monies from ARU Sale Construct MAR Project. Project. • RDC Acquires a Water Supply for MAR. • RDC Acquires a Water Supply for MAR. • Recharged Water Credited to ARUs. • Recharged Water Credited to ARUs. • RDC Accounting and Data Base Accounts • RDC Accounting and Data Base Accounts MAR. MAR. • Pumping Reduces ARU Storage • Pumping Reduces ARU Storage Allocations. Allocations. • Emptied ARUs are Refilled. • Emptied ARUs are Refilled. • Refilled ARUs Available for Storage • Refilled ARUs Available for Storage Delivery. Delivery.
Elements of the ARU Process • Water stored in the ESPA is under the • Water stored in the ESPA is under the control of a private non-profit control of a private non-profit organization. organization. • The organization is responsible for • The organization is responsible for working with the established Water working with the established Water District(s) in areas of data collection, data District(s) in areas of data collection, data entry, storage delivery, storage decay entry, storage delivery, storage decay issues, properly crediting storage rights to issues, properly crediting storage rights to ARUs, O & M and other aspects of ASR. ARUs, O & M and other aspects of ASR.
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