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<br />San Juan-Chama <br />Water Accounting <br />Albuquerque Area Office <br />April 1996 <br /> <br />The natural inflow into Heron Reservoir during the month of April was computed to be 740 <br />acre-feet (af) as shown in Table 3. There were 1530 af net San Juan-Chama losses, as <br />shown in Table 2. There were 16,370 af of diversions through Azotea Tunnel this month. <br /> <br />There was a total of 530 af of Natural released from Heron; 140 af of which was seepage. <br />There was a total of 40,070 af of San Juan-Chama (SJC) water released. <br /> <br />Total precipitation at Heron Reservoir was 0.27 inches which is 25% of average. The <br />monthly computations for Heron Reservoir are summarized in Tables 1-3. <br /> <br />Middle Rio Grande Conservancy District (MRGCD) released from Heron 19,290 af to their <br />pool in EI Vado. They released 404 af from EI Vado to payback the City of Albuquerque <br />(City) in Abiquiu for water borrowed this month for irrigation. MRGCD began borrowing <br />SJC water from the City in Abiquiu on April 4, and borrowed 7446 af during the month. <br /> <br />From Heron, 1976 af was released to the Cochiti Recreation Pool, of which 262 af was <br />stored in MRGCD'S pool in EI Vado for one day (April 30, and released May 1). <br /> <br />Santa Fe released from Heron 3415 af of which; 232 af went to MRGCD in EI Vado (letter <br />dated 4/15/96); 2418 af went to the MRGCD pool in EI Vado; and 765 af went to the Santa <br />Fe pool in EI Vado. <br /> <br />The City released from Heron 386 af to MRGCD in EI Vado (SEO letter dated 4/15/96) to <br />offset effects above Otowi (18 af) and below (368 af) by leasing entities; 280 af to the <br />sediment pool in Jemez; 9822 af to MRGCD in EI Vado; and 4634 af to their pool in <br />Abiquiu. The total release from Heron forthe City was 15122 af. <br /> <br />Bernalillo released from Heron 100 af to MRGCD in EI Vado (SEO letter dated 4/15/96) <br />and released 57 af for storage by the City in Abiquiu (letter dated 4/26/96). <br /> <br />Los Lunas released from Heron 39 af to MRGCD in EI Vado (SEO letter dated 4/15/96). <br /> <br />Belen released from Heron 68 af to MRGCD in EI Vado (SEO letter dated 4/26/96). <br /> <br />Total inflow into Nambe Falls Reservoir was computed to be 418 af. Evaporation loss on <br />the reservoir was 17 af. Table 4 summarizes San Juan-Chama water at Otowi. <br /> <br />Estimated sediment deposition in the San Juan-Chama pools at Abiquiu and Jemez <br />Canyon Reservoirs, and Cochiti Lake are presented in Tables 5A-5C. Storage and <br />evaporation of Rio Grande water in EI Vado and Abiquiu Reservoirs are shown in Table 6. <br /> <br />All data are provisional and subject to revision as final data are collected and analyzed. <br />