Recharge Credits and Accounting
All recharge permit holders are required to file annual reports with ADWR (even when they did not store or recover any water during the year). The information compiled from these reports includes how much water was stored at each storage facility, how much water was stored under each WS permit, and how much stored water was recovered on an annual and long-term basis. ADWR uses this information to update long-term storage credits.
When eligible water is stored underground for more than one year, long-term storage credits may be issued. Long-term Storage Credits are credits earned in the process of storing water. These credits can be recovered in the future to be used for various reasons, including establishing an Assured Water Supply or fulfilling replenishment obligations. Stored water is usually eligible for long-term storage credits when:
An entity that holds both long-term storage credits and the water storage permit from which they were earned may always recover the stored water from within the area of impact of the water storage. Anyone holding long-term storage credits may recover stored water from anywhere within the same AMA in which it was stored, so long as:
Stored water always maintains the legal character of the original source water, regardless of where it is recovered or how it is used. Thus, if CAP water is stored, no matter where recovery occurs, the water is considered to be CAP water when it is recovered and may be used in any way that CAP water could be used.
A holder of long-term storage credits may assign by grant, gift, sale, lease or exchange all or part of the holder’s long-term storage credits, so long as the stored water would have qualified for long-term storage credits had the assignee stored the water.
A long-term storage account is an account established pursuant to A.R.S. § 45-852.01. Long-term storage credits generated through the storage of water are held for the purpose of subsequent recovery.
The Arizona Revised Statutes regulate the accounting system for the recharge program. ADWR has developed an equation for determining each year how much water is available for recovery using information reported to the Department on annual reports. Each AMA maintains the long-term storage accounts for permittees storing water in the AMA.
The amount of each type of water discharged to a USF/delivered to a GSF is verified. Losses (evaporation, transpiration, overflow, outflow, etc.) are deducted. The cut to the aquifer is deducted as 5% of the amount stored unless the stored water was:
The remaining amount is then posted to the storer’s/saver’s long-term storage account.
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