WSP08458 - Laserfiche WebLink

Home Browse Search

Executive Summary 1 2 ~ ~vJ 5~J; 6 7 8 9 In a year in which the Secretary makes a flood control release! or a space building release', any accumulated amount in the overrun account would be forgiven, If the Secretary has declared a 70R3 surplus in the Annual Operating Plan, any payback obligation would be deferred at the entitlement holder's option. When Lake Mead's elevation is between the elevation for a 70R surplus declaration and elevation 1,125 feet above mean sea level on January 1, the payback obligation must be paid back in full within 3 years. The minimiun payback that year would be the greater of 20 percent of the individual entitlement holder's maximum allowable cumulative overrun account amount, or 33.3 percent of the total account balance, When Lake Mead's elevation is at or below elevation 1,125 feet above mean sea level on January 1, the total account balance must be paid back in full in that calendar year, Implementation of Biological Conservation Measures 10 11 12 13 14 This component of the proposed action involves implementation of the biological conservation 15 measures identified in the BO, They were developed to fully compensate for impacts of the 16 changes in point of delivery of Colorado River water that would occur under the IA,' This EIS 17 addresses these measures programmatically, As detailed plans are developed and specific land 18 disturbing activities are identified, Reclamation will determine and carry out supplemental 19 NEPA compliance evaluations, as appropriate, The conservation measures related to the IA 20 water transfers consist of the following: 21 1. Reclamation would stock 20,000 razorback suckers, 25 centimeters (em) or greater in 22 length, into the Colorado River between Parker and Imperial Dams, This would be a 23 continuation of present efforts and would bring the total number of razorbacks of 25 em 24 or greater in length stocked below Parker Darn to 70,000. This would be completed by 25 2006, 26 2, Reclamation would restore or create 44 acres of backwaters along the Colorado River 27 between Parker and Imperial Dams. This effort could include restoring existing 28 decadent backwaters for which no ongoing effort provides funding or responsibility for 29 restoration, or the creation of new backwaters where water availability, access,.and other 30 considerations can be met. Maintenance of these backwaters for native fish and wildlife 31 would be ensured for the life of the water transfers, This would be completed within 5 32 years of the first water transfers under the IA (excluding the ongoing water transfer 33 under the IID/MWD 1988 Agreement and subsequent agreements), Flood control release is <1 release of water from Lake Mead for the purpose of meetU\g specific criteria as specified by the U.s. Army Corps of Engineers. 2 Space building release is a release of water from Lake Mead for the purpose of obtaining the required August 1 to January 1 available flood control storage space in Lake Mead as speCIfied by the U.S. Army Corps of Engineers. 3 The "R" Strategy is an operating strategy lor distributing surplus water and avoidirtg spills. The R strategy assumes a particular percentile historical runoff, along witl1 a normal year, or 7.5 rviAF delivery to Lower Division States, for the next year. Applying these values to current reservoir storage, the projected reservoir storage at the end of next year is calculated. If the calculated space a....ailable at the end of next year is less than the space required by flood control criteria, then a swplus condition is determined to exist. 4 The conservation measures evaluated in this EIS are related. to the change in point of deli....ery of up 10400 KAFY while fA related changes in points of delivery may range up to 388 KAFY. E5-4 DEIS - January 2002 lA, lOP, and Related Federal Actions EIS I I - - - I I I I I I I I I I I I . I