UPPER COLORADO RIVER COMMISSION (UCRC)

• Website of the Commission

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Hydrologic Determinations of the Upper Basin

• 1988 - Hydrologic Determination; 6.0 million acre-feet (maf).
• 2007 - Hydrologic Determination; 5.76 maf; reduction of 240,000 acre-feet.
• 2025 - Hydrologic Determination; a projection of 4.6 maf; based on decrease of 30-year average since 2001.

Depletion Schedules of the Upper Basin

• 2007 - Depletion Schedule of Shortage Criteria EIS (App C); 886,000 acre-feet increase to Year 2060.
• Deceber 12, 2007 - Depletion Schedule; 1.186 million acre-feet to Year 2050+
• December 31, 2016 - Revised Depletion Schedule; 2016 (5.056 maf) to 2070 (5.962 maf); 906,000 acre-feet.
• 2025 - OTC projection (editors of this website) of Depletion Schedule: zero; river and reservoir water will be transferred downstream to stabilize Lake Powell.
• Reference: Wheeler et al, 2021

Flaming Gorge Reservoir Release & Diversions

• 2007 - Flaming Gorge Water Availibility. Reclamation; 165,000 acre-feet annually.
• 2025 - OTC projection for Flaming Gorge Water Availibility: zero; reservoir water will be transferred downstream to stabilize Lake Powell. 

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Records and Reports

• 2025 -  Hydrologic Shortage Report of the Upper Division States. Presentation by Chuck Cullom.
• 2024 - Annual Report
• 2023 - Annual Report
• 2022 - Annual Report
• 2021 - Annual Report
• 2020 - Annual Report
• 2019 - Annual Report
• 2018a - Annual Report
• 2018b - Final Report: Three-year System Conservation Pilot Program (six documents combined).
• 2017a - Depletion Schedule Revised in 2016 and 2017 Resolution
• 2017b - Annual Report
• 2016a - Annual Report
• 2016b - Assessing Agricultural Use Including Remote Sensing and Evapotranspiration
• 2015 - Annual Report
• 2014a - Annual Report
• 2014b - Resolution to adopt contingency planning for shortages
• 2013a - Annual Report
• 2013b - Assessing Agricultural Consumptive Use in Upper Colorado River Basin
• 2012 - Annual Report
• 2011 - Annual Report
• 2009 - Annual Report
• 2008 - UCRC letter to Kempthorne about HFEs and fall steady flows
• 2007a - UCRC Resolution Upper Basin Depletion Estimates
• 2007b - Depletion Schedules Upper Basin
• 2007c - Approved (revised) Depletion Schedules
• 2006a - UCRC Letter to Secretary Kempthorne
• 2006b - Potential Use of Winter Cloud Seeding to Augment Flow of Colorado River
• 2006c - UCRC Resolution Availability Water Navajo Reservoir
• 2005a - Annual Report
• 2005b - UCRC Resolution Retention Water Upper Basin Reservoirs
• 2004a - UCRC Letter about Lake Powell minimum power pool
• 2004b - Annual Report
• 2003a - UCRC Resolution Use Accounting Water Lake Powell Pipeline
• 2003b - UCRC Resolution Use Accounting Water Navajo Gallup Water Supply Project
• 2002 - UCRC letter about Long-range Operating Criteria
• 1998 - Annual Report
• 1996 - Annual Report
• 1995 - Annual Report
• 1994 - UCRC Resolution Upper States Depletion Tables
• 1991 - Annual Report
• 1990 - Annual Report
• 1989 - UCRC Resolution Funding Weather Modification Research
• 1988 - UCRC Resolution Funding Weather Modification Research
• 1987a - Annual Report
• 1987b - UCRC Resolution Proposed Hydrologic Determination
• 1986 - UCRC Resolution Construction of Animas-LaPlata Project
• 1985 - UCRC Resolution Cooperative Snow Survey Water Supply Forecasting Program
• 1984 - UCRC Resolution Proposal Galloway Group
• 1983 - UCRC Resolution CRSP Power Rate Adjustment
• 1982 - UCRC Resolution Enhanced Snowpack Test
• 1980 - UCRC Resolution Appropriation Funds Farm Salinity Control
• 1979a - UCRC Resolution Releases Colorado River Reservoirs
• 1979b - UCRC Resolution Cooperative Snow Survey Water Supply Forecasting Program
• 1979c - UCRC Resolution Gaging Stations
• 1979d - UCRC Resolution Adjustment Power Rates
• 1978 - Annual Report
• 1977 - Annual Report
• 1976 - Annual Report
• 1972 - Annual Report
• 1971 - Annual Report
• 1970 - Annual Report
• 1963 - Annual Report
• 1962 - Annual Report
• 1961 - Annual Report
• 1959 - Annual Report
• 1958 - Annual Report
• 1957 - Annual Report
• 1956 - Annual Report
• 1955 - Annual Report
• 1954 - Annual Report
• 1953 - Annual Report
• 1952 - Annual Report
• 1951 - Annual Report
• 1950 - First Annual Report
• 1949 - Minutes of the first meeting

ARCHIVE OF UCRC ANNUAL REPORTS (not complete)

• Colorado State Publication Library