Model Data and Documentation

• COHYST Model
• Republican Basin Study
• Western Water Use Model

Forecast of Allowable Depletions in the Republican River Basin

• Report: 2026 Forecast of Allowable Depletions in the Republican River Basin (Nebraska Department of Water, Energy, & Environment, December 2025)
• Report: 2025 Forecast of Allowable Depletions in the Republican River Basin (Nebraska Department of Natural Resources, December 2024)
• Report: 2024 Forecast of Allowable Depletions in the Republican River Basin (Nebraska Department of Natural Resources, December 2023)
• Report: 2023 Forecast of Allowable Depletions in the Republican River Basin (Nebraska Department of Natural Resources, December 2022)
• Report: 2022 Forecast of Allowable Depletions in the Republican River Basin (Nebraska Department of Natural Resources, December 2021)
• Report: 2021 Forecast of Allowable Depletions in the Republican River Basin (Nebraska Department of Natural Resources, December 2020)
• Report: 2020 Forecast of Allowable Depletions in the Republican River Basin (Nebraska Department of Natural Resources, December 2019)
• Report: 2019 Forecast of Allowable Depletions in the Republican River Basin (Nebraska Department of Natural Resources, December 2018)
• Report: Forecast of Allowable Depletions in the Republican Basin During 2018 and 2028 (Nebraska Department of Natural Resources, December 2017)
• Report: Forecast of Allowable Depletions in the Republican Basin During 2017 and 2027 (Nebraska Department of Natural Resources, December 2016)
• Report: Forecast of Allowable Depletions in the Republican Basin During 2016 and 2026 (Nebraska Department of Natural Resources, December 2015)
• Report: Forecast of Allowable Depletions in the Republican Basin During 2015 and 2025 (Nebraska Department of Natural Resources, December 2014)
• Report: Forecast of Allowable Depletions in the Republican Basin During 2014 and 2024 (Nebraska Department of Natural Resources, December 2013) 

Net Augmentation Impacts Analysis Reports 

• Republican River Net Impacts Analysis Report for 2025 (Nebraska Department of Water, Energy, & Environment, November 2025)
• Republican River Net Impacts Analysis Report for 2024 (Nebraska Department of Natural Resources, November 2024)
• Republican River Net Impacts Analysis Report for 2023 (Nebraska Department of Natural Resources, November 2023)
• Republican River Net Impacts Analysis Report for 2022 (Nebraska Department of Natural Resources, November 2022)
• Republican River Net Impacts Analysis Report for 2021 (Nebraska Department of Natural Resources, November 2021)

Other Publications

• Republican River Compact Accounting Brochure (Nebraska Department of Natural Resources, November 2016)

Republican River Accounting: How It's Done (NeDNR Newsletter Articles)

• Part 1: Annual Exchange of Data with Kansas and Colorado (Nebraska Department of Natural Resources, Spring 2017)
• Part 2: Recent Revisions to RRCA Accounting Procedures (Nebraska Department of Natural Resources, Summer 2017)
• Part 3: Nebraska's Preliminary Forecast of Available Water Supplies (Nebraska Department of Natural Resources, Fall 2017)