U.S. Bureau of Reclamation, American Southwest Ichthyological Researchers (And Others), Albuquerque, NM
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Calendar Year 2020 Report to the Rio Grande Compact Commission Interior Region 7: Upper Colorado Basin U.S. Department of the Interior March 2021 Mission Statements The Department of the Interior (DOI) conserves and manages the Nation’s natural resources and cultural heritage for the benefit and enjoyment of the American people, provides scientific and other information about natural resources and natural hazards to address societal challenges and create opportunities for the American people, and honors the Nation’s trust responsibilities or special commitments to American Indians, Alaska Natives, and affiliated island communities to help them prosper. The mission of the Bureau of Reclamation (Reclamation) is to manage, develop, and protect water and related resources in an environmentally and economically sound manner in the interest of the American public. Calendar Year 2020 Report to the Rio Grande Compact Commission Prepared by Bureau of Reclamation, Albuquerque Area Office, Albuquerque, New Mexico For the Rio Grande Compact Commission: Colorado Kevin Rein New Mexico John D’Antonio Texas Patrick R. Gordon Federal Chairman Hal Simpson Cover Photo: Sunrise view downstream end of the Pilot Channel near Bosque del Apache, New Mexico facing downstream (credit: Tyler Mobraten, Geosystems Analysis) Contents Introduction ............................................................................................................................... 1 San Luis Valley Project, Colorado ............................................................................................. 3 Conejos Division, Platoro Reservoir ........................................................................................................ 3 Platoro Dam Facility Review and Safety of Dams Program ................................................................ 3 Closed Basin Division ................................................................................................................................ 5 San Juan-Chama Project, Colorado – New Mexico .................................................................. 8 San Juan-Chama Project Accounting ....................................................................................................... 8 Heron Dam and Reservoir Operations ................................................................................................... 8 Pojoaque Tributary Unit – Nambé Falls Dam and Reservoir ............................................................ 13 2021 San Juan-Chama Project Outlook ................................................................................................. 15 Facility Review and Safety of Dams Program....................................................................................... 16 Middle Rio Grande Project, New Mexico ............................................................................... 17 El Vado Dam and Reservoir Operations .............................................................................................. 17 2021 Middle Rio Grande Project Outlook ............................................................................................ 20 Facility Review and Safety of Dams Program – El Vado Dam ......................................................... 20 Related Reservoir Operations ................................................................................................................. 21 MRG River Gage Operation and Maintenance .................................................................................... 24 River Maintenance .................................................................................................................................... 24 Delta Channel Maintenance with the State of New Mexico ............................................................... 36 Programmatic Water Operations and River Maintenance ESA Compliance ................................. 366 Other ESA-Related MRG Projects ........................................................................................................ 49 Rio Grande Project, New Mexico – Texas .............................................................................. 51 Rio Grande Project Operations .............................................................................................................. 53 Rio Grande Project Water Accounting .................................................................................................. 55 2021 Rio Grande Project Outlook ......................................................................................................... 57 RGP River Gage Operation and Maintenance ..................................................................................... 57 Facility Review and Safety of Dams Program....................................................................................... 58 Reservoir Vegetation Management ........................................................................................................ 58 ESA Compliance for Operating Agreement and Storage of SJ-C Water ......................................... 59 Active Rio Grande Project Litigation..................................................................................................... 59 Related Reclamation Programs ............................................................................................... 61 Native American Affairs Programs ........................................................................................................ 61 Isleta Settlement ........................................................................................................................................ 61 Indian Water Rights Settlements ............................................................................................................ 62 Hydrologic Models.................................................................................................................................... 63 Water Accounting Reports Projects ....................................................................................................... 66 Evapotranspiration (ET) Toolbox.......................................................................................................... 67 Aquatic Invasive Species- Zebra and Quagga Mussels ........................................................................ 68 WaterSMART Program ............................................................................................................................ 69 Science & Technology Program and Other Research Projects .......................................................... 75 List of Figures Figure 1: Map of Reclamation's Albuquerque Area Office Projects .......................................................... 2 Figure 2: Area Map of San Luis Valley Project ............................................................................................. 4 Figure 3: Area Map of the San Juan-Chama Project..................................................................................... 9 iii Figure 4: Area Map of the Middle Rio Grande Project .............................................................................. 18 Figure 5: Rio Grande Silvery Minnow estimated densities. ....................................................................... 41 Figure 6: Summary of Flycatcher nesting in the Middle Rio Grande from 1999 to 2019 .................... 44 Figure 7: Flycatcher nest variables, Caballo Dam to El Paso, 2013 to 2019 ........................................... 45 Figure 8: Flycatcher nest variables, Caballo Reservoir delta, 2013 to 2019 ............................................. 45 Figure 9: Area Map of the Rio Grande Project ........................................................................................... 52 List of Tables Table 1: CBD Deliveries 2015-2020 ............................................................................................................... 5 Table 2: San Luis Valley Project - CBD Water Accounting ........................................................................ 6 Table 3: SJ-C Diversions through Azotea Tunnel ...................................................................................... 10 Table 4: SJ-C Water 2020 Releases from Heron Reservoir ....................................................................... 11 Table 5: SJ-C Monthly Water Operations in Heron Reservoir ................................................................. 12 Table 6: SJ-C Water at Otowi ........................................................................................................................ 14 Table 7: SJ-C Monthly Water Operations at Nambé Falls Reservoir ...................................................... 15 Table 8: Reservoir Operation for El Vado Dam ......................................................................................... 19 Table 9: Reservoir Operations for Abiquiu Dam ....................................................................................... 22 Table 10: Reservoir Operations for Cochiti Dam ....................................................................................... 23 Table 11: 2020 Isleta Reach Outfall Deliveries ........................................................................................... 38 Table 12: Southwestern Willow Flycatcher Territories 2013-2020 ........................................................... 43 Table 13: Cuckoo Detections/Estimated Territories 2013- 2020 ...........................................................