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Castle Pines Metropolitan District Agenda Item 29b <br /> May 9,2014(Updated May 23,2014) <br /> Page 2 of 7 <br /> (INFORMATION IN SMALL CAPS IS COMMON TO ALL CHATFIELD REALLOCATION LOANS) <br /> CHATFIELD REALLOCATION PROJECT <br /> CHATFIELD DAM AND LAKE(CHATFIELD)IS AN ON-STREAM RESERVOIR BUILT IN 1973. IT IS LOCATED <br /> IMMEDIATELY DOWNSTREAM OF THE SOUTH PLATTE RIVER AND PLUM CREEK CONFLUENCE ABOUT 8 MILES <br /> SOUTH(UPSTREAM)OF DENVER. CHATFIELD CONSISTS OF AN EARTHFILL DAM APPROXIMATELY 13,000 FEET <br /> LONG WITH A TOP WIDTH OF 30 FEET AND A MULTI-PURPOSE RESERVOIR WITH A STORAGE CAPACITY BELOW <br /> THE SPILLWAY OF APPROXIMATELY 235,000 ACRE-FEET(AF). DENVER WATER IS CURRENTLY THE SOLE <br /> USER OF CHATFIELD FOR WATER SUPPLY AND HAS THE EXCLUSIVE RIGHT TO STORE WATER IN THE <br /> CONSERVATION POOL(BETWEEN 5423 AND 5432 MSL). COLORADO PARKS&WILDLIFE MANAGES <br /> CHATFIELD'S RECREATIONAL AND FISH AND WILDLIFE USE THROUGH CHATFIELD STATE PARK.THE US <br /> ARMY CORPS OF ENGINEERS(CORPS)MANAGES THE FLOOD CONTROL USE,PROVIDING FLOOD PROTECTION <br /> TO THE DENVER METRO AREA. <br /> . IN THE MID-1990S,THE COLORADO DEPARTMENT OF NATURAL RESOURCES(DNR),ACTING THROUGH THE <br /> COLORADO WATER CONSERVATION BOARD(CWCB)AND ON BEHALF OF NUMEROUS LOCAL WATER <br /> PROVIDERS,REQUESTED THE CORPS TO REALLOCATE A PORTION OF CHATFIELD'S FLOOD CONTROL STORAGE <br /> TO CONSERVATION STORAGE FOR WATER SUPPLY PURPOSES.THE CORPS' CHATFIELD ANTECEDENT FLOOD <br /> STUDY(2005)SHOWED THAT FLOOD CONTROL STORAGE SPACE BETWEEN ELEVATIONS 5432 AND 5444 MSL <br /> COULD BE REALLOCATED WITHOUT COMPROMISING THE FLOOD PROTECTION OFFERED BY CHATFIELD. <br /> TO EVALUATE THE ENVIRONMENTAL,SOCIAL,AND ECONOMIC EFFECTS OF THE PROPOSED REALLOCATION, <br /> THE CORPS INITIATED THE FEDERAL FEASIBILITY REPORT AND ENVIRONMENTAL IMPACT STATEMENT <br /> (FR/EIS) IN 1999.THE FINAL FR/EIS WAS RELEASED BY THE CORPS IN JULY 2013 AND THE PUBLIC <br /> COMMENT PERIOD HAS ENDED.THE FR/EIS RECOMMENDS A REALLOCATION FROM FLOOD CONTROL TO <br /> CONSERVATION AND WATER SUPPLY OF 20,600 AF.THE CORPS IS EXPECTED TO ISSUE THE FINAL RECORD <br /> OF DECISION IN 2014. <br /> THE CURRENT WATER PROVIDERS INVOLVED IN THE REALLOCATION ARE SHOWN IN TABLE 1 BELOW: <br /> TABLE 1: CHATFIELD REALLOCATION PARTICIPANTS <br /> PARTICIPANTS STORAGE AMOUNT %OF TOTAL <br /> COLORADO WATER CONSERVATION BOARD <br /> SHARES TRANSFERRED 01?PENDING TRANSFER FROM: <br /> CITY oh'AURORA 3,561.0 AF <br /> WESI°ERN M1GTUAi.Dii 'H COMPANY 1,425.0 AT 6,586.0 AF 31.97% <br /> COLORADO PARKS& WILDLIFE 1,000.0 AF <br /> RO.ABoR000H 500.0 AF <br /> PEIERY PARK 100.0 AF <br /> CENTENNIAL WATER AND SANITATION DISTRICT 6,434.9 AF 31.24% <br /> CENTRAL COLORADO WATER CONSERVANCY DISTRICT 2,849.0 AF 13.83% <br /> • SOUTH METRO WATER SUPPLY AUTHORITY <br /> EN1TTIES TO REl'El67i SHARES: <br /> CENTENNIAL WA11iI?AND SANITATION DISTRR'T 487.2 AT <br /> TOWN of CAS1 LE Ro 'K 487.2 AF <br /> ACWWA 121.6 AF <br /> CASTLE PINES NORTH METRO DISTRICT 64.3 AF 1,418.6 AF 6.89% <br /> ConONWOOD 64.3 AT <br /> S'TONEGAZE 64.3 AF <br /> PINERY 64.3 AF <br /> ROXBOROUGH 64.3 AF <br /> CASTLE;PINES METRO DISTIRCT 1.1 AF <br /> TOWN OF CASTLE ROCK 1,013.1 AF 4.92% <br /> CASTLE PINES NORTH METRO DISTRICT 941.5 AF 4.57% <br /> CASTLE PINES METRO DISTRICT 785.6 AF 3.81% <br /> MOUNT CARBON METRO DISTRICT 400.0 AF 1.94% <br /> CENTER OF COLORADO WATER CONSERVANCY DISTRICT 131.3 AF 0.64% <br /> DENVER BOTANIC GARDENS AT CHATFIELD 40.0 AF 0.19% <br /> TOTAL 20,600 AF 100.00% <br />