North Pacific right whale. Credit: Brenda K. Rone
California Central Valley Water Operations: Biological Opinion Actions
Actions related to the Biological Opinion for the Long-term Operations of the Central Valley Project and State Water Project in California
Annual Review Schedule
- NMFS Response to Reclamation’s proposed modification to Annual Review Schedule (June 30, 2016)
- Bureau of Reclamation's proposed modification to Annual Review Schedule (April 25, 2016)
Central Valley Project (CVP) Reservoir Operations Forecasts
- April 2019: Bureau of Reclamation forecast (April 16, 2019)
- March 2019: Bureau of Reclamation forecast (March 13, 2019) and NMFS response (March 15, 2019)
- February 2019: Bureau of Reclamation Forecast (February 15, 2019) and NMFS Response (February 19. 2019)
- April 2018: Bureau of Reclamation Forecast (April 18, 2018)
- March 2018: Bureau of Reclamation Forecast (March 19, 2018) and NMFS Response (March 28, 2018)
- February 2018: Bureau of Reclamation Forecast (February 28, 2018) and NMFS Response (February 28, 2018); Bureau of Reclamation Forecast (February 14, 2018) and NMFS Response (February 16, 2018)
- March 2017: Bureau of Reclamation Forecast (March 17, 2017) and NMFS Response (March 21, 2017)
- March 2016: Bureau of Reclamation Forecast (March 25, 2016) and NMFS Response (March 31, 2016); Bureau of Reclamation Forecast (March 15, 2016) and NMFS Response (March 18, 2016)
- February 2015: Bureau of Reclamation forecast (February 20, 2015) and NMFS Response (February 27, 2015)
- April 2014: Bureau of Reclamation Supplemental Forecast (April 18, 2014) and NMFS Response (April 18, 2014)
- February 2014: Bureau of Reclamation forecast (February 20, 2015) and NMFS Response to Reclamation Forecast (February 20, 2014)
Sacramento River Temperature Management Plan (TMP)
- 2019: Bureau of Reclamation's Sacramento River TMP (May 13, 2019) and NMFS concurrence (May 15, 2019)
- 2018: Bureau of Reclamation's Sacramento River TMP (May 11, 2018) and NMFS Concurrence (May 15, 2018)
- 2017: Bureau of Reclamation's Sacramento River TMP (May 23, 2017) and NMFS concurrence (June 1, 2017)
- 2016: Bureau of Reclamation's Sacramento River TMP (June 27, 2016) and NMFS concurrence (June 28, 2016)
- 2015: Bureau of Reclamation's request for contingency plan and Sacramento River TMP for July - Nov 2015 (June 25, 2015) and NMFS Determinations on TUC Petition and Sacramento River TMP - (July 1, 2015)
- NMFS concurrence on Keswick flow release in June - June 17, 2016
- NMFS Determination on the revised Shasta TMP (September 28, 2015)
- Bureau of Reclamation's request for modified Shasta TMP (September 8, 2015)
Lower Klamath River Flow Augmentation
- 2016: Reclamation's request to implement the 2016 Lower Klamath River Late-Summer Flow Augmentation (August 22, 2016) and NMFS’ response (August 24, 2016)
- 2015: Bureau of Reclamation's request for Lower Klamath River 2015 Augmentation Flows (August 14, 2015) and NMFS’ response (August 20, 2015)
Juvenile Production Estimates (JPE) for Sacramento River Winter-run Chinook Salmon
NMFS Winter-Run Juvenile Production Estimates (JPE):
- Brood year 2023 - January 12, 2024
- Brood year 2022 - January 20, 2023
- Brood year 2021 - January 20, 2022
- Brood year 2020 - January 25, 2021
- Brood year 2019 - March 27, 2020
- Brood year 2019 - February 3, 2020
- Brood year 2018 - February 13, 2019
- Brood year 2017 - January 29, 2018
- Brood Year 2016 - February 3, 2017
- Brood Year 2015 - January 28, 2016
- Brood year 2014 - January 16, 2015
- Brood year 2013 - February 21, 2014
Rapid Genetic Analysis for Juvenile Chinook Salmon Salvaged at CVP and SWP
- 2020: Reclamation's request to implement rapid genetic analysis in WY 2020 (December 18, 2019) and NMFS’ Response (December 20, 2019)
- 2019: Reclamation's request to implement rapid genetic analysis in WY 2019 (November 17, 2018) and NMFS’ Response (December 17, 2018)
- 2018: Reclamation's request to implement rapid genetic analysis in WY 2018 (November 17, 2017) and NMFS’ response (December 18, 2017)
- 2017: Reclamation's request to implement rapid genetic analysis in WY 2017 (October 20, 2016) and NMFS’ response (November 21, 2016)
Old and Middle River Flow Management Actions
- FAQ: NMFS 2009 Biological Opinion January 1st Old and Middle River (OMR) Requirement
- NMFS determinations regarding OMR flow management & WIN Act section 4002 - March 7, 2018
- NMFS determinations regarding OMR flow management & WIN Act section 4002 - March 2, 2018
- NMFS Determination on OMR Flexibilities - February 10, 2015
- Reclamation's request for NMFS concurrence on OMR flexibilities - February 9, 2015
- NMFS Reaffirms January 1st Onset of OMR Flow Management for 2015 - December 30, 2014
- NMFS response to Reclamation's OMR Index Demonstration Project - February 27, 2014
San Joaquin River Inflow to Export Ratio
- Clarification of San Joaquin I-E Ratio Flood Condition Offramp - May 1, 2017
- NMFS Determination on San Joaquin river IE flex - April 14, 2016
- Bureau of Reclamation's request for NMFS concurrence on flex of San Joaquin River IE ratio - April 12, 2016
- NMFS response to San Joaquin River inflow-to-export ratio - February 7, 2014
Drought Contingency Plans and Strategies
- Drought Conditions Force Difficult Management Decisions For Sacramento River Temperatures (06/16/15)
- State, Federal Agencies and Sacramento River Settlement Contractors Agree on Framework for Water Ops in 4th Year of Drought
- Graphic - drought effects on juvenile winter-run Chinook salmon
- Fish Agencies presentation to the State Water Board - November 18, 2014
- NMFS response to BOR Transfers and D-1641 modifications to DOP - October 3, 2014
- NMFS response to Drought Operations Plan letter and Enclosure - April 8, 2014
- Bureau of Reclamation request and NMFS Concurrence on Operations beginning April 1, 2014
- DCC Gate Opening: Reclamation's request for DCC gate opening (December 2, 2015) and NMFS’ response (December 4, 2015)
- Contingency Plans:
- May 2015: Reclamation's contingency plan for July through November 2015 (May 18, 2015)
- March 2015: Reclamation's contingency plan for April through September 2015 (March 24, 2015), Project Description, Biological Review and NMFS’ Determination on Contingency Plan and TUC Petition (March 27, 2015)
- January 2015: Reclamation's contingency plan for February and March 2015 (January 27, 2015), Project Description, Supporting Information and NMFS’ Determination on Drought Contingency Plan and TUC Petition (January 29, 2015)
- March 2014:
- NMFS March Contingency Plan Response letter and Enclosures Change (March 19, 2014)
- NMFS March Contingency Plan Response letter and Enclosures (March 14, 2014)
- NMFS March Contingency Plan Response letter and Enclosures (February 28, 2014)
- January 2014: NMFS Determination on Drought Contingency Plan and TUC Petition (January 31, 2014)
Joint Stipulation Regarding CVP and SWP Operations
- Stipulation Status Report - October 15, 2012
- Results of Joint Stipulation Agreement: Briefing Sheet (June 2012)
- Results of Joint Stipulation Agreement: Background (June 2012)
- NMFS determination on May 11, 2012
- NMFS Determination on May 4, 2012
- NMFS Determination on April 27, 2012
- NMFS Determination on April 12, 2012
- NMFS Determination for Operations per Joint Stipulation During April 8-14, 2012
- NMFS Determination for Operations per Joint Stipulation During April 1-7, 2012
- NMFS Technical Memorandum to Guide Adaptive Management of OMR during April and May 2012
- Erratum for 3.29.2012 Briefing on NMFS OMR Technical Memorandum
- 3.29.2012 Briefing on NMFS OMR Technical Memorandum
- Additional HYDRO results referred to in Attachment 2B of the Technical Memorandum
- Joint Stipulation Regarding South Delta Operations During April and May of 2012 (Issued: January 19, 2012)
More Information
North Pacific right whale. Credit: Brenda K. Rone
