ILRP Executive Officer Decisions & Approvals
Decision and approval letters issued by the Executive Officer for the ILRP are listed in the table below, in reverse chronological order. Documents (including those prior to 2018) are available upon request by contacting Petra Lee at Petra.Lee@waterboards.ca.gov
Searching List of Decisions & Approvals
| Date | Watershed Area(s) / Coalition Group(s) / Interested Parties (sortable) |
Executive Officer Decisions & Approvals |
|---|---|---|
| August 22, 2024 | Western Tulare Lake Basin Area | Approval of a Revised Quality Assurance Project Plan (QAPP) |
| August 22, 2024 | San Joaquin County and Delta Area | Approval of Amended Notice of Intent |
| August 22, 2024 | Sacramento River Watershed | Review of the 2024 Groundwater Quality Trend Monitoring Status Update |
| July 18, 2024 | Sacramento River Watershed (NCWA) | Nitrate Surface Water Quality Management Plan Required for Grand Island Drain Near Leary Road |
| June 14, 2024 | California Rice Commission | Approval of the Surface Water Quality Management Plan for Pyrethroids |
| June 14, 2024 | Tulare Lake Basin Area (Westside) | Approval of Source Identification Study Work Plan |
| June 14, 2024 | Western San Joaquin River Watershed | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | California Rice Comission | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | Eastern San Joaquin River Watershed | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | Sacramento River Watershed | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | San Joaquin County and Delta Area | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | Tulare Lake Basin Area (Kaweah) | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | Tulare Lake Basin Area (Kern) | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | Tulare Lake Basin Area (Kings) | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | Tulare Lake Basin Area (Tule) | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | Tulare Lake Basin Area (Westside) | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| June 7, 2024 | Western Tulare Lake Basin Area | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| May 24, 2024 | Tulare Lake Basin Area (Buena Vista) | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| May 24, 2024 | Tulare Lake Basin Area (Cawelo) | State Policy for Water Quality Control: Toxicity Provisions 13267 Order |
| May 17, 2024 | Western San Joaquin River Watershed | Approval of the 2024 Surface Water Monitoring Plan Update Addendum |
| April 22, 2024 | California Rice Commission | Approval of the 2024 Pesticide Monitoring |
| April 18, 2024 | Tulare Lake Basin Area (Kaweah) | Conditional Approval of the Comprehensive Surface Water Quality Management Plan |
| April 16, 2024 | Central Valley Groundwater Monitoring Collaborative | Approval of Revision to Central Valley Groundwater Monitoring Collaborative's Comprehensive Quality Assurance Plan |
| April 16, 2024 | Western Tulare Lake Basin Area | Approval of Proposed Amendments to the Wetlands Water Quality Coalition's Comprehensive Surface Water Quality Management Plan |
| April 15, 2024 | Western San Joaquin River Watershed | Requirement to Revise the Pyrethroid Management Plan |
| March 18, 2024 | Eastern San Joaquin River Watershed | Approval of the 2024 Water Year Monitoring Plan Update Addendum |
| March 18, 2024 | Eastern San Joaquin River Watershed | Approval for Reduced Sediment Chlorpyrifos Monitoring |
| March 5, 2024 | Western San Joaquin River Watershed | Approval for Review of the 2023 Annual Management Practice Implementation and Nitrogen Application Report (AMPINAR) |
| February 21, 2024 | Agricultural Water Quality Coalitions | Update of the Pesticides Evaluation Protocol, EO Pesticides List |
| February 15, 2024 | California Rice Commission | Approval of 2024 Rice Pesticides Program Management Practices |
| February 14, 2024 | Sacramento River Watershed (NCWA) | Approval of the Request to Cease Monitoring and Reporting on Chlorpyrifos and Modify Monitoring and Reporting on Diazinon |
| February 13, 2024 | Sacramento River Watershed (NCWA) | Approval for Review of the Request to Submit Evaluation of A-R, Management Practices and Soil Conditions per Crop Type Every 5-Years |
| February 6, 2024 | San Joaquin County and Delta Area | Approval of the 2024 Water Year Monitoring Plan Update Addendum |
| February 1, 2024 | Tulare Lake Basin Area (Kings) | Approval of Surface Water Quality Management Plan Completion Request for Chlorpyrifos within Gould Canal |
| January 26, 2024 | Eastern San Joaquin River Watershed | Approval of Management Plan Completion |
| January 26, 2024 | Sacramento River Watershed | Approval for Review of the 5-Year Groundwater Quality Trend Monitoring Assessment Report |
| January 26, 2024 | San Joaquin County and Delta Area | Approval for Reduced Sediment Chlorpyrifos Monitoring |
| January 26, 2024 | San Joaquin County and Delta Area | Approval of Management Plan Completion |
| January 26, 2024 | Tulare Lake Basin Area (Kern) | Conditional Approval of the Pesticide Evaluation Protocol (PEP) Proposal - 2024 Water Year Update |
| January 26, 2024 | Tulare Lake Basin Area (Kings) | Conditional Approval of the Surface Water Pesticide Evaluation Protocol (PEP) Proposal - 2024 Update |
| January 26, 2024 | Western San Joaquin River Watershed | Approval of the 2024 Surface Water Monitoring Plan Update |
| January 26, 2024 | Western Tulare Lake Basin Area | Conditional Approval of the 2024 Water Year Monitoring Plan Update |
| January 19, 2024 | Tulare Lake Basin Area (Kings) | Conditional Approval of the Comprehensive Surface Water Quality Management Plan | January 18, 2024 | Tulare Lake Basin Area (Kings) | Approval of 2024 Surface Water Monitoring Plan Update |
| January 9, 2024 | Tulare Lake Basin Area (Cawelo) | Conditional Approval of the Surface Water Pesticide Evaluation Protocol (PEP) Proposal |
| December 19, 2023 | Western Tulare Lake Basin Area | Approval of Completion Request for Chlorpyrifos and C. dubia Water Column Toxicity Management Plans in the Cantua Creek Watershed |
| December 5, 2023 | San Joaquin County and Delta Area | Approval of Selenastrum capricornutum Specific Management Practice Implementation Report (MPIR) Template |
| November 3, 2023 | Tulare Lake Basin Area (Kaweah) | Approval of Surface Water Quality Management Plan Exemption Requests for Chlorpyrifos, Simazine, pH, and Molybdenum |
| October 16, 2023 | Sacramento River Watershed (NCWA) | Approval of the 2024 Monitoring Plan Update |
| October 6, 2023 | Tulare Lake Basin Area (Buena Vista) | Approval of the Buena Vista Coalition 2024 Water Year Pesticide Evaluation Protocol (PEP) Proposal |
| October 6, 2023 | Tulare Lake Basin Area (Tule) | Approval of the Tule Basin Water Quality Coalition Pesticide Monitoring Protocol Proposal for the 2024 Water Year |
| October 5, 2023 | Tulare Lake Basin Area (Kaweah) | Conditional Approval of the Kaweah Basin Water Quality Association 2024 Water Year Pesticide Evaluation Protocol (PEP) Proposal |
| October 2, 2023 | Tulare Lake Basin Area (Westside) | Approval of the Westside Water Quality Coalition 2024 Water Year Pesticide Monitoring Proposal |
| October 2, 2023 | Western San Joaquin River Watershed | Partial Approval of the Submittal Date Change Request for the Annual Surface Water Monitoring Report |
| September 18, 2023 | Eastern San Joaquin River Watershed | Approval of the 2024 Water Year Monitoring Plan Update |
| September 18, 2023 | San Joaquin County and Delta Area | Final Approval of the 5-Year Groundwater Quality Assessment Report (GAR) Update |
| September 8, 2023 | Eastern San Joaquin River Watershed | Approval of the Surface Water Quality Management Plan (SQMP) - Pyrethroid Focused Outreach Addendum |
| September 7, 2023 | Tulare Lake Basin Area (Kern) | Conditional Approval of the Kern River Watershed Coalition Authority's Arsenic Source Identification Study Proposal |
| September 6, 2023 | Agricultural Water Quality Coalitions | Updated Guidance and Decision Regarding Irrigation and Nitrogen Management Plan (INMP) Reporting for Nurseries |
| September 6, 2023 | San Joaquin County and Delta Area | Approval of the 2024 Water Year Monitoring Plan Update |
| August 25, 2023 | Eastern San Joaquin River Watershed | Approval of Pyrethroid Specific Management Practice Implementation Report (MPIR)Template |
| July 17, 2023 | Grassland Drainage Area | Approval of the Grassland Drainage Area Coalition's 2023 Groundwater Quality Trend Monitoring Network Update |
| July 15, 2023 | San Joaquin County and Delta Area | Approval to Revise San Joaquin County and Delta Water Quality Coalition's Quality Assurance Project Plan (QAPP) |
| July 14, 2023 | Eastern San Joaquin River Watershed | Approval to Revise East San Joaquin Water Quality Coalition's Quality Assurance Project Plan (QAPP) |
| June 30, 2023 | Agricultural Water Quality Coalitions | Conditional Approval of the Groundwater Protection Targets for Central Valley Water Quality Coalitions |
| June 28, 2023 | Tulare Lake Basin Area (Kaweah) | Review of the Kaweah Basin Water Quality Association's Groundwater Trend Monitoring Annual Report for the 2022 Water Year and 2023 Trend Monitoring Well Network Update |
| May 24, 2023 | California Rice Commission | Decision Regarding Request for Removal of Well from California Rice Commission Groundwater Trend Monitoring Network |
| May 4, 2023 | Western San Joaquin River Watershed | Approval for Completion of Management Plans |
| April 19, 2023 | Eastern San Joaquin River Watershed, Grassland Drainage Area, Western San Joaquin River Watershed, San Joaquin County and Delta Area, Tulare Lake Basin Area (Kings), Western Tulare Lake Basin Area, and MLJ Environmental | Approval for the Request to Submit Evaluation of A-R, Management Practices and Soil Conditions Per Crop Type Every 5 Years |
| April 13, 2023 | Tulare Lake Basin Area (Kaweah) | Approval of the Kaweah Basin Water Quality Association Surface Water Monitoring Plan - Revision 3 |
| April 13, 2023 | Tulare Lake Basin Area (Tule) | Conditional Approval of the 5-Year Tule Basin Water Quality Coalition Groundwater Quality Assessment Report (GAR) Update |
| April 12, 2023 | Sacramento River Watershed | Approval of Management Plan Completion for Diazinon in Gilsizer Slough |
| March 29, 2023 | Eastern San Joaquin River Watershed | Approval of the 2023 Water Year Monitoring Plan Update Addendum |
| March 15, 2023 | Agricultural Water Quality Coalitions | Update of the Pesticides Evaluation Protocol, Executive Officer (EO) Pesticides List |
| March 15, 2023 | California Rice Commission | Approval of 2023 Rice Pesticides Program Management Practices |
| March 15, 2023 | Western San Joaquin River Watershed | Imidacloprid Monitoring, March 2023 Through February 2024 |
| February 17, 2023 | Tulare Lake Basin Area (Kings) | Approval of the Alternative Nitrogen Reporting Requirements for Small, Highly Diversified Growers within the Kings River Watershed Coalition Authority |
| February 17, 2023 | Western San Joaquin River Watershed | Approval of the Request to Remove Fathead Minnow Toxicity Testing from Monitoring Program |
| February 2, 2023 | San Joaquin County and Delta Area | Approval of the 2023 Water Year Monitoring Plan Update Addendum |
| February 1, 2023 | Western San Joaquin River Watershed | Approval of the 2023 Surface Water Monitoring Plan Update |
| January 6, 2023 | Tulare Lake Basin Area (Cawelo) | Approval of the Cawelo Water District Coalition Surface Water Pesticide Evaluation Protocol (PEP) Proposal - 2023 Update |
| December 19, 2022 | Tulare Lake Basin Area (Kaweah) | Approval of the Kaweah Basin Water Quality Association 2023 Water Year Pesticide Evaluation Protocol (PEP) Proposal |
| December 19, 2022 | Tulare Lake Basin Area (Kern) | Approval of the Kern River Watershed Coalition Authority Surface Water Pesticide Evaluation Protocol (PEP) Proposal - 2023 Water Year Update |
| December 19, 2022 | Tulare Lake Basin Area (Tule) | Approval of the Tule Basin Water Quality Coalition Surface Water Pesticide Monitoring Proposal |
| December 9, 2022 | Tulare Lake Basin Area (Buena Vista) | Approval of the Buena Vista Coalition 2023 Water Year Pesticide Evaluation Protocol (PEP) Proposal |
November 21, 2022 |
Sacramento River Watershed |
Approval of the 5-Year Groundwater Assessment Report (GAR) Update |
November 18, 2022 |
Tulare Lake Basin Area (Westside) |
Approval of the Westside Water Quality Coalition 2023 Water Year Pesticide Evaluation Protocol (PEP) Proposal |
November 16, 2022 |
Sacramento River Watershed |
Approval of Surface Water Quality Management Plan for Pyrethroids in Lower Honcut Creek |
November 16, 2022 |
Sacramento River Watershed |
Approval of Surface Water Quality Management Plan for Pyrethroids in Lower Snake River |
October 18, 2022 |
Sacramento River Watershed |
Approval of Surface Water Quality Management Plan for Pyrethroids in Pine Creek |
October 5, 2022 |
Tulare Lake Basin Area (Kings) |
Conditional Approval of the Kings River Water Quality Coalition Surface Water Pesticide Evaluation Protocol (PEP) Proposal - 2023 Update |
October 4, 2022 |
California Rice Commission |
Approval of a Revised Quality Assurance Project Plan (QAPP) |
October 3, 2022 |
Sacramento River Watershed |
Approval of the 2023 Water Year Monitoring Plan Update |
September 26, 2022 |
Eastern San Joaquin River Watershed |
Approval of the 2023 Water Year Monitoring Plan Update |
September 26, 2022 |
Western Tulare Lake Basin Area |
Approval of the 2023 Water Year Monitoring Plan Update |
August 24, 2022 |
California Rice Commission |
Approval of the 2020 Update to the Rice Pesticide Evaluation |
August 23, 2022 |
Central Valley Groundwater Monitoring Collaborative |
Review of the Updated 5-Year Assessment Report |
August 19, 2022 |
San Joaquin County and Delta Area |
Approval of the 2023 Water Year Monitoring Plan Update |
August 5, 2022 |
Central Valley Groundwater Monitoring Collaborative |
Approval of Comprehensive Quality Assurance Plan (CQAP) Amendment |
July 7, 2022 |
Sacramento River Watershed (Butte-Yuba-Sutter) |
Approval of Management Plan Completion for Chlorpyrifos in Gilsizer Slough |
June 15, 2022 |
T. Johnson and California Rice Commission |
Approval of Extension for Submittal of Farm Evaluation and Nitrogen Management Plan Reporting |
June 13, 2022 |
Sacramento River Watershed |
Review of the Groundwater Assessment Report (GAR) 5-Year Update |
June 13, 2022 |
Agricultural Water Quality Coalitions |
Imidacloprid Monitoring and Analysis Request |
May 27, 2022 |
Western Tulare Lake Basin Area |
Decision Regarding the Addendum to the Source Identification Study |
April 29, 2022 |
Tulare Lake Basin Area (Kaweah) |
Review of the Surface Water Monitoring Plan - 2nd Revision |
April 29, 2022 |
Tulare Lake Basin Area (Kings) |
Approval of Request for Extended Submittal Date for the Groundwater Trend Monitoring Annual Monitoring Status Report |
April 25, 2022 |
Western Tulare Lake Basin Area |
Conditional Approval of Proposed Amendments to the Comprehensive Groundwater Quality Management Plan (CGQMP) and Surface Water Quality Management Plan (SQMP) |
April 18, 2022 |
Central Valley Groundwater Monitoring Collaborative |
Approval of Comprehensive Quality Assurance Plan (CQAP) Amendment |
March 25, 2022 |
Agricultural Water Quality Coalitions |
Update of the Pesticides Evaluation Protocol (PEP), EO Pesticides List |
March 21, 2022 |
San Joaquin County and Delta Area |
Approval of Management Plan Completion |
March 21, 2022 |
Caltest Laboratory |
Review of Imidacloprid Alternative Method Validation Package |
March 15, 2022 |
Central Valley Groundwater Monitoring Collaborative |
Review of the 5-Year Assessment Report |
March 2, 2022 |
Weck Laboratories, Inc. |
Review of Imidacloprid Method Validation Package |
February 25, 2022 |
North Coast Laboratories, Ltd. |
Review of Imidacloprid Method Validation Package |
February 15, 2022 |
Western San Joaquin River Watershed |
Approval of the 2022 Surface Water Monitoring Plan Update |
February 14, 2022 |
Sacramento River Watershed |
Approval of the Surface Water Monitoring Reduction Request |
February 14, 2022 |
Eastern San Joaquin River Watershed |
Approval of the 2022 Water Year Monitoring Plan Update Addendum |
February 4, 2022 |
San Joaquin County and Delta Area |
Approval of the 2022 Water Year Monitoring Plan Update Amendment |
January 28, 2022 |
Sacramento River Watershed |
Approved New Requirements for On-Farm Drinking Water Well Outreach Letter |
January 14, 2022 |
Sacramento River Watershed (Dixon/Solano) |
Approval of Management Plan Completion for Selenastrum in Ulatis Creek |
December 17, 2021 |
Tulare Lake Basin Area (Tule) |
Approval of the Tule Basin Water Quality Coalition Surface Water Pesticide Monitoring Proposal |
December 2, 2021 |
California Rice Commission |
Approval of Extension for Submitting Rice Acreage Map Update |
November 29, 2021 |
Western San Joaquin River Watershed |
Approval of the 2021 Surface Water Management Plan Amendment |
November 29, 2021 |
San Joaquin County and Delta Area |
Approval of Monitoring Sampling Site Exchange Request |
November 3, 2021 |
Tulare Lake Basin Area (Kings) |
Approval of the Kings River Water Quality Coalition Surface Water Quality Monitoring Plan - 3rd Revision |
October 27, 2021 |
San Joaquin County and Delta Area |
Approval of the 2022 Water Year Total Maximum Daily Load (TMDL) Revised Monitoring Plan |
October 27, 2021 |
Central Valley Water Quality Coalitions (Kahn, Soares & Conway, LLP) |
Conditional Approval of the Groundwater Protection Values for Central Valley Water Quality Coalitions |
October 13, 2021 |
San Joaquin County and Delta Area |
Approval of Reduced Chlorpyrifos and Diazinon Total Maximum Daily Load (TMDL) Monitoring |
October 8, 2021 |
Tulare Lake Basin Area (Cawelo and Kings) |
Approval of Pesticide Evaluation Protocol (PEP) Extension Request |
September 17, 2021 |
Sacramento River Watershed |
Approval of the 2022 Monitoring Plan Update |
September 15, 2021 |
Western Tulare Lake Basin Area |
Approval of the 2022 Water Year Monitoring Plan Update |
September 13, 2021 |
Sacramento River Watershed |
Review of the Groundwater Quality Management Practices Implementation Report (MPIR) Strategy and Template |
September 13, 2021 |
San Joaquin County and Delta Area |
Approval of the 2022 Water Year Monitoring Plan Update |
September 13, 2021 |
San Joaquin County and Delta Area |
Conditional Approval of the 5-Year Groundwater Quality Assessment Report (GAR) Update |
September 13, 2021 |
Eastern San Joaquin River Watershed |
Approval of Management Plan Completion |
September 13, 2021 |
Eastern San Joaquin River Watershed |
Approval of the 2022 Water Year Monitoring Plan Update |
August 2, 2021 |
Tulare Lake Basin Area (Buena Vista, Kaweah, Kern, Westside) |
Approval of Pesticide Evaluation Protocol (PEP) Extension Request |
July 20, 2021 |
California Rice Commission |
Approval of the Revised Groundwater Quality Trend Monitoring Workplan for Sacramento Valley Rice Growers |
July 14, 2021 |
Eastern San Joaquin River Watershed |
Approval to Update the Surface Water and Groundwater Management Practice Implementation Report (MPIR) Templates |
June 24, 2021 |
Western Tulare Lake Basin Area |
Response to Source Identification Study Report |
May 6, 2021 |
California Rice Commission |
Approval of the 2021 Pesticide Monitoring Proposal |
April 23, 2021 |
Tulare Lake Basin Area (Buena Vista) |
Approval of the Buena Vista Coalition Surface Water Pesticide Evaluation Protocol (PEP) Proposal |
April 5, 2021 |
California Rice Commission |
Approval of the Amendment to the 2021 Pyrethroid Baseline Monitoring Plan |
March 9, 2021 |
Sacramento River Watershed |
Approved 2020 Groundwater Quality Assurance Project Plan (GW QAPP) Amendment |
March 8, 2021 |
Tulare Lake Basin Area (Kern) |
Approved Surface Water Management Practices Implementation Report for the Chanac Creek Sub-Watershed |
March 5, 2021 |
Eastern San Joaquin River Watershed |
Approval of Management Plan Completion for Select Constituents |
March 4, 2021 |
Tulare Lake Basin Area (Buena Vista) |
Conditional Approval of the Surface Water Monitoring Plan Update |
March 4, 2021 |
Tulare Lake Basin Area (Kings) |
Approval of the Kings River Water Quality Coalition Surface Water Pesticide Monitoring Proposal – 2020 Update |
February 25, 2021 |
Central Valley Groundwater Monitoring Collaborative |
Approval of Comprehensive Quality Assurance Plan (CQAP) Amendment |
February 23, 2021 |
Tulare Lake Basin Area (Westside) |
Approval of the Westside Water Quality Coalition Surface Water Pesticide Monitoring Plan |
February 23, 2021 |
Tulare Lake Basin Area (Kaweah) |
Approval of the Kaweah Basin Water Quality Association Surface Water Pesticide Monitoring Plan |
February 23, 2021 |
Eastern San Joaquin River Watershed |
Approved Deadline Extensions Request |
February 22, 2021 |
Western San Joaquin River Watershed |
Approval of the 2021 Surface Water Monitoring Plan Update |
February 22, 2021 |
Tulare Lake Basin Area (Cawelo) |
Approval of the Cawelo Water District Coalition Surface Water Pesticide Evaluation Protocol (PEP) Proposal |
February 17, 2021 |
Tulare Lake Basin Area (Kern) |
Approval of the Kern River Watershed Coalition Authority Surface Water Pesticide Evaluation Protocol (PEP) Proposal |
February 17, 2021 |
California Rice Commission |
Approval of the 2021 Pyrethroid Baseline Monitoring Plan |
February 12, 2021 |
Western San Joaquin River Watershed |
Approved Second Deadline Extensions Request |
February 12, 2021 |
Grassland Drainage Area |
Approved Second Deadline Extensions Request |
February 9, 2021 |
San Joaquin County and Delta Area |
Approval of the 2021 Water Year Monitoring Plan Update |
February 9, 2021 |
Eastern San Joaquin River Watershed |
Approval of the 2021 Water Year Monitoring Plan Update Addendum |
February 5, 2021 |
California Rice Commission |
Approval of Rice Pesticides Program Annual Monitoring Report (AMR) and Management Practices for 2021 |
January 28, 2021 |
Western San Joaquin River Watershed |
Approved Deadline Extensions Request |
January 28, 2021 |
Grassland Drainage Area |
Approved Deadline Extensions Request |
January 27, 2021 |
Tulare Lake Basin Area, and Western Tulare Lake Basin Area |
Approved Deadline Extensions Requests |
January 27, 2021 |
San Joaquin County and Delta Area |
Approval of the Monitoring Program Quality Assurance Project Plan (QAPP) Update |
January 27, 2021 |
Eastern San Joaquin River Watershed |
Approval of the Monitoring Program Quality Assurance Project Plan (QAPP) Update |
January 19, 2021 |
Central Valley Water Quality Coalitions (Kahn, Soares & Conway, LLP) |
Conditional Approval of the Groundwater Protection (GWP) Formula Workplan |
January 15, 2021 |
San Joaquin County and Delta Area |
Approval of the 2020 Nitrogen Management Plan (NMP) Summary Report Analysis |
January 8, 2021 |
Central Valley Groundwater Monitoring Collaborative |
Approval of Comprehensive Quality Assurance Plan (CQAP) Amendment |
January 7, 2021 |
Grassland Drainage Area |
Approved New Requirements for On-Farm Drinking Water Well Outreach Letter |
December 29, 2020 |
Sacramento River Watershed |
Approval of the Monitoring Program Quality Assurance Project Plan (QAPP) Update |
December 18, 2020 |
Tulare Lake Basin Area (Tule) |
Approval of the Tule Basin Water Quality Coalition Surface Water Pesticide Monitoring Proposal |
December 16, 2020 |
Sacramento River Watershed |
Approved Request to Omit the 2020 On-Farm Management Practices Verification Inspections |
December 8, 2020 |
Grassland Drainage Area |
Approval of Management Practice Implementation Report (MPIR) Template and Groundwater Quality Management Plan (GQMP) Amendments |
December 4, 2020 |
San Joaquin County and Delta Area |
Approved New Requirements for On-Farm Drinking Water Well Outreach Letter |
November 24, 2020 |
Western San Joaquin River Watershed |
Approval of Management Practice Implementation Report (MPIR) Template and Management Plan Amendments |
November 20, 2020 |
San Joaquin County and Delta Area |
Approval of the Management Practice Implementation Report (MPIR) Template and Surface Water Quality Management Plan (SQMP) Amendment |
November 20, 2020 |
San Joaquin County and Delta Area |
Approval of the Groundwater Management Practice Implementation Report (MPIR) Template and Groundwater Quality Management Plan (GQMP) Amendment |
November 12, 2020 |
Sacramento River Watershed |
Approval of the Surface Water Management Practice Implementation Report (MPIR) Template |
November 10, 2020 |
California Land Stewardship Institute, Sacramento River Watershed, and San Joaquin County and Delta Area |
Approval of the Fish Friendly Farming Farm Conservation Plan Template – Grant D1813506-1 |
November 6, 2020 |
Sacramento River Watershed |
Approval of the Surface Water Quality Management Plan (SQMP) for Diazinon in Gilsizer Slough |
November 3, 2020 |
Tulare Lake Basin Area (Cawelo, Kings) |
Approval of Pesticide Evaluation Protocol (PEP) Extension Request |
October 22, 2020 |
Sacramento River Watershed |
Approval of the 2021 Monitoring Plan Update |
October 22, 2020 |
Eastern San Joaquin River Watershed |
Conditional Approval of the 2021 Water Year Monitoring Plan Update |
October 20, 2020 |
San Joaquin County and Delta Area |
Approval to Amend the 2020 Monitoring Program Groundwater Quality Assurance Project Plan (GW QAPP) |
October 6, 2020 |
San Joaquin County and Delta Area |
Approval of the 2021 Water Year Monitoring Plan Update |
September 9, 2020 |
Tulare Lake Basin Area |
Conditional Approval of the Phase 1 Priority Practice Groundwater Management Practice Implementation Report (MPIR) Submittal |
August 28, 2020 |
Sacramento River Watershed (Butte-Yuba-Sutter) |
Approval of Management Plan Completion for Copper in Pine Creek |
August 28, 2020 |
Sacramento River Watershed (Butte-Yuba-Sutter) |
Approval of Management Plan Completion for Chlorpyrifos in Pine Creek |
August 20, 2020 |
Western Tulare Lake Basin Area |
Conditional Approval of the Source Identification Study Workplan |
August 18, 2020 |
Sacramento River Watershed (Butte-Yuba-Sutter) |
Approval of Management Plan Completion for Copper in Lower Honcut Creek |
July 22, 2020 |
San Joaquin County and Delta Area |
Approval of the January 6, 2020, Request to Amend the Monitoring Program Quality Assurance Project Plan (QAPP) |
July 22, 2020 |
San Joaquin County and Delta Area |
Approval of the October 29, 2019, Request to Amend the Monitoring Program Quality Assurance Project Plan (QAPP) |
July 22, 2020 |
Eastern San Joaquin River Watershed |
Approval of the Monitoring Program Quality Assurance Project Plan (QAPP) Update |
July 21, 2020 |
Tulare Lake Basin Area (Buena Vista, Kaweah, Kern, Westside), and Western Tulare Lake Basin Area |
Approval of Pesticide Evaluation Protocol (PEP) Extension Request |
July 21, 2020 |
Central Valley Groundwater Monitoring Collaborative |
Approved Comprehensive Quality Assurance Plan (CQAP) |
July 20, 2020 |
California Rice Commission |
Approved Rice-Specific Groundwater Assessment Report (GAR) Update |
June 30, 2020 |
Western Tulare Lake Basin Area |
Approval of the Surface Water Monitoring Plan |
June 19, 2020 |
Tulare Lake Basin Area (Kern) |
Conditional Approval of the Surface Water Quality Management Plan (SQMP) for Chanac Creek |
June 15, 2020 |
Central Valley Groundwater Monitoring Collaborative |
Approval of the Groundwater Quality Trend Monitoring Workplan Update |
June 3, 2020 |
Eastern San Joaquin River Watershed |
Approval of Monitoring Program Quality Assurance Project Plan (QAPP) Update |
June 3, 2020 |
Eastern San Joaquin River Watershed |
Approval of Monitoring Program Quality Assurance Project Plan (QAPP) Update |
May 21, 2020 |
Eastern San Joaquin River Watershed |
Approved Notice of Drinking Water Notification Requirement Request |
May 11, 2020 |
Sacramento River Watershed (Goose Lake) |
Approval of Reduced Monitoring / Management Practices Verification Option |
May 11, 2020 |
California Rice Commission, Sacramento River Watershed, San Joaquin County and Delta Area, and Tulare Lake Basin Area (Tule) |
Direction for Future Updates to the Groundwater Quality Trend Monitoring Program Networks |
April 29, 2020 |
Tulare Lake Basin Area (Buena Vista) |
Approval of the Buena Vista Coalition Surface Water Pesticide Evaluation Protocol (PEP) Proposal |
April 29, 2020 |
San Joaquin County and Delta Area |
Approval of Request for Suspension of Groundwater Monitoring for Norman's Nursery |
April 29, 2020 |
San Joaquin County and Delta Area |
Approval of Management Plan Completion |
April 15, 2020 |
Tulare Lake Basin Area (Kings) |
Approval of Outlier Methodology |
April 15, 2020 |
Western Tulare Lake Basin Area |
Approval of Outlier Methodology |
April 7, 2020 |
Western San Joaquin River Watershed |
Approval of the Sediment Toxicity Management Plan |
April 6, 2020 |
Tulare Lake Basin Area (Buena Vista) |
Approval of Outlier Methodology |
April 6, 2020 |
Tulare Lake Basin Area (Cawelo) |
Approval of Outlier Methodology |
April 6, 2020 |
Tulare Lake Basin Area (Kaweah) |
Approval of Outlier Methodology |
April 6, 2020 |
Tulare Lake Basin Area (Kern) |
Approval of Outlier Methodology |
April 6, 2020 |
Tulare Lake Basin Area (Tule) |
Approval of Outlier Methodology |
April 6, 2020 |
Tulare Lake Basin Area (Westside) |
Approval of Outlier Methodology |
April 1, 2020 |
Central Valley Groundwater Monitoring Collaborative |
Review of the Phase 1 Technical Workplan |
March 30, 2020 |
Sacramento River Watershed |
Approval of the 2018 Nitrogen Management Plan Summary Report (NMPSR) Analysis |
March 27, 2020 |
San Joaquin County and Delta Area |
Approval of the 2019 Annual Management Practice Implementation and Nitrogen Application Report (AMPINAR) |
February 28, 2020 |
Agricultural Water Quality Coalitions |
Revision of Monitoring and Reporting Program Orders to Incorporate a 5-Year Assessment Report for Participants in a Regional Groundwater Quality Trend Monitoring Group |
September 25, 2019 |
Tulare Lake Basin Area (Cawelo) |
Approval of the Revised Surface Water Monitoring Plan |
July 5, 2019 |
Tulare Lake Basin Area (Kern) |
Approval of Identified Member Parcels for which Sediment and Erosion Control Plans Must be Developed |
July 3, 2019 |
Tulare Lake Basin Area (Kern) |
Conditional Approval of the Surface Water Monitoring Plan - 2nd Revision |
July 3, 2019 |
Tulare Lake Basin Area (Westside) |
Approval of the Surface Water Monitoring Plan and Reviewed Addendum |
May 8, 2019 |
Central Valley Groundwater Monitoring Collaborative |
Approval of Revised Groundwater Quality Trend Monitoring Schedule |
May 3, 2019 |
Grassland Basin Drainage Steering Committee |
Approval of Extension for the 2018 Annual Monitoring Report |
| April 30, 2019 | Agricultural Water Quality Coalitions | Approval of Farm Evaluation Template |
April 9, 2019 |
Northern MPEP Group Coordination Committee |
Conditional Approval of the Management Practices Evaluation Program Workplan |
April 3, 2019 |
Eastern San Joaquin River Watershed |
Deadline Extension to Implement the Groundwater Management Practice Implementation Report |
March 22, 2019 |
Eastern San Joaquin River Watershed |
Approval of the 2019 Water Year Monitoring Plan Update Addendum |
March 14, 2019 |
Sacramento River Watershed |
Clarification of Due Dates for the 2019 and 2020 Nitrogen Management Plan Summary Report Evaluations |
March 1, 2019 |
Western San Joaquin River Watershed |
Approval for Completion of Management Plans |
January 28, 2019 |
San Joaquin County and Delta Area |
2019 Water Year Monitoring Plan Update |
January 28, 2019 |
Eastern San Joaquin River Watershed |
Approval for Completion of Management Plans |
January 18, 2019 |
San Joaquin County and Delta Area |
Approval for Completion of Management Plans |
January 18, 2019 |
Tulare Lake Basin Area (Kings) |
Approval of the 2019 Pesticide Monitoring Plan |
| January 9, 2019 | Tulare Lake Basin Area (Tule) |
Approval of the 2019 Pesticide Monitoring Plan |
December 21, 2018 |
Tulare Lake Basin Area (Cawelo) |
Approval of the 2019 Pesticide Monitoring Plan |
November 28, 2018 |
Tulare Lake Basin Area (Kaweah) |
Conditional Approval of the Comprehensive Groundwater Quality Management Plan - 2nd Revision |
November 27, 2018 |
Eastern San Joaquin River Watershed |
Approval to Exchange the Zone 2 Core Site |
November 19, 2018 |
Sacramento River Watershed |
Approval of Ulatis Creek Unknown Toxicity to Selenastrum capricornutum Surface Water Quality Management Plan |
November 19, 2018 |
Eastern San Joaquin River Watershed |
Approval of Management Practice Implementation Report Template |
October 30, 2018 |
San Joaquin County and Delta Area |
Approval of the 2016 Crop Year Nitrogen Management Plan Summary Analysis Report |
October 26, 2018 |
Western Tulare Lake Basin Area |
Approval of the 2019 Water Year Monitoring Plan Update |
| October 26, 2018 | State Water Resource Control Board, Agricultural Water Quality Coalitions, Environmental Justice Groups and Other Interested Stakeholders | Approval of Drinking Water Notification Template for East San Joaquin Coalition Members |
October 23, 2018 |
Western Tulare Lake Basin Area |
Approval of the Comprehensive Groundwater Quality Management Plan |
October 19, 2018 |
Agricultural Water Quality Coalitions |
Irrigation and Nitrogen Management Plan and Summary Report Templates: Issuance of approved templates |
October 17, 2018 |
Tulare Lake Basin Area (Westside) |
Approval of the Revised Comprehensive Groundwater Quality Management Plan |
October 17, 2018 |
Tulare Lake Basin Area (Kaweah) |
Approval of October 2018-September 2019 Surface Water Pesticide Monitoring Plan |
October 12, 2018 |
Sacramento River Watershed |
Approval of the 2019 Monitoring Plan Update |
September 25, 2018 |
Tulare Lake Basin Area (Kern) |
Conditional Approval of the Groundwater Trend Monitoring Workplan and Phase II Monitoring Network Addendum |
September 24, 2018 |
Sacramento River Watershed |
Conditional Approval of the Groundwater Quality Trend Monitoring Workplan and Addendum |
September 21, 2018 |
Eastern San Joaquin River Watershed |
Conditional Approval of the 2019 Water Year Monitoring Plan Update |
September 20, 2018 |
Tulare Lake Basin Area (Tule) |
Conditional Approval of Year 1 of the Revised Groundwater Trend Monitoring Workplan |
September 17, 2018 |
San Joaquin County and Delta Area |
Surface Water Monitoring Plan Update Approval |
September 17, 2018 |
Western Tulare Lake Basin Area |
Conditional Approval of the 2019 Water Year Monitoring Plan Update |
September 17, 2018 |
Tulare Lake Basin Area (Buena Vista) |
Approval of the Surface Water Pesticide Evaluation Protocol Proposal - 2018 Update |
September 17, 2018 |
Western San Joaquin River Watershed |
Conditional Approval of the Groundwater Quality Trend Monitoring Workplan |
September 7, 2018 |
Tulare Lake Basin Area (Westside) |
Conditional Approval of the Groundwater Quality Trend Monitoring Workplan and Addendum No. 1 |
September 4, 2018 |
Grassland Drainage Area |
Conditional Approval of the Grassland Drainage Area Groundwater Quality Trend Monitoring Workplan and Addendum |
August 30, 2018 |
Tulare Lake Basin Area (Buena Vista) |
Conditional Approval of the Groundwater Quality Trend Monitoring Workplan and Response |
August 27, 2018 |
Western Tulare Lake Basin Area |
Conditional Approval of the Groundwater Quality Trend Monitoring Workplan and Addendum |
August 22, 2018 |
Tulare Lake Basin Area (Kaweah) |
Conditional Approval of the Groundwater Trend Monitoring Workplan with Phase II Addendum |
August 21, 2018 |
Tulare Lake Basin Area (Kings) |
Conditional Approval of the Groundwater Quality Trend Monitoring Workplan with Update |
August 20, 2018 |
Tulare Lake Basin Area (Cawelo) |
Approval of the Groundwater Quality Trend Monitoring Workplan Addendum and Time Extension Request |
August 7, 2018 |
Western San Joaquin River Watershed |
Approval Letter for Comprehensive, Pesticides & Toxicity SQMPs |
August 3, 2018 |
Northern MPEP Group Coordination Committee |
Conditional Approval of the Management Practices Evaluation Workplan |
August 3, 2018 |
Sacramento River Watershed (Colusa-Glenn) |
Approval of the Completion of Management Plan Requirements for Legacy Organochlorine Pesticides in Lurline Creek |
August 3, 2018 |
Sacramento River Watershed (Yolo) |
Approval of the Completion of Management Plan Requirements for Legacy Organochlorine Pesticides in Willow Slough |
July 27, 2018 |
Southern San Joaquin Valley MPEP Committee |
Review of the Initial Crop Prioritization |
July 25, 2018 |
Sacramento River Watershed |
Approval of the 2017 Nitrogen Management Plan Summary Report |
July 6, 2018 |
Sacramento River Watershed |
Review of the Groundwater Quality Trend Monitoring Workplan |
July 2, 2018 |
Western San Joaquin River Watershed |
Review of the Groundwater Trend Monitoring Workplan |
June 29, 2018 |
Tulare Lake Basin Area (Buena Vista) |
Review and Conditional Approval of the Groundwater Quality Trend Monitoring Workplan |
June 29, 2018 |
Tulare Lake Basin Area (Cawelo) |
Review and Conditional Approval of the Revised Groundwater Quality Trend Monitoring Workplan |
June 29, 2018 |
Grassland Drainage Area |
Review of the Grassland Drainage Area Groundwater Trend Monitoring Workplan |
June 29, 2018 |
Tulare Lake Basin Area (Kaweah) |
Review of the Groundwater Quality Trend Monitoring Workplan - Phase II |
June 29, 2018 |
Tulare Lake Basin Area (Kern) |
Review of the Groundwater Trend Monitoring Workplan |
June 29, 2018 |
Tulare Lake Basin Area (Kings) |
Review of the Groundwater Quality Trend Monitoring Workplan Update |
June 29, 2018 |
Western Tulare Lake Basin Area |
Review of the Groundwater Trend Monitoring Workplan |
June 29, 2018 |
Tulare Lake Basin Area (Westside) |
Review of the Revised Groundwater Quality Trend Monitoring Workplan |
June 29, 2018 |
Western San Joaquin River Watershed |
Review of the Groundwater Trend Monitoring Workplan |
June 29, 2018 |
Eastern San Joaquin River Watershed |
Conditional Approval of Groundwater Quality Trend Monitoring Program |
May 25, 2018 |
Western San Joaquin River Watershed |
Approval of the 2018 Monitoring Plan Update |
April 27, 2018 |
Eastern San Joaquin River Watershed, and San Joaquin County and Delta Area |
Approval of Amendment to the Quality Assurance Project Plan |
April 16, 2018 |
Sacramento River Watershed |
Approval of Online Sediment and Erosion Control Plan Self-Certification Training Course |
April 4, 2018 |
Tulare Lake Basin Area (Buena Vista) |
Approval of the Pesticide Monitoring Plan |
March 27, 2018 |
Tulare Lake Basin Area (Kern) |
Conditional Approval of the Comprehensive Groundwater Quality Management Plan - 2nd Revision |
March 22, 2018 |
Tulare Lake Basin Area (Buena Vista) |
Conditional Approval of the Revised Individual Groundwater Quality Management Plan for the Southern High Vulnerability Area |
March 15, 2018 |
Tulare Lake Basin Area (Buena Vista) |
Conditional Approval of the Revised Individual Groundwater Quality Management Plan for the Shallow Groundwater Area |
March 2, 2018 |
Eastern San Joaquin River Watershed, and San Joaquin County and Delta Area |
Approval of Amendment to the Quality Assurance Project Plan |
February 15, 2018 |
San Joaquin County and Delta Area |
Approval of MPU Addendum |
February 9, 2018 |
San Joaquin County and Delta Area |
Approval of Management Plan Monitoring Completion |
January 31, 2018 |
Eastern San Joaquin River Watershed |
Approval for Completion of Management Plans |
January 30, 2018 |
Eastern San Joaquin River Watershed |
Approval of Addendum to the 2017 Monitoring Plan Update and Annual Report Farm Evaluation Summary Analysis |
January 23, 2018 |
Sacramento River Watershed |
Notice of Non-Compliance for the Groundwater Quality Trend Monitoring Program |
January 23, 2018 |
Sacramento River Watershed |
Conditional Approval of the 2018 Monitoring Plan Update |
January 12, 2018 |
Sacramento River Watershed |
Approval of the 2016 Crop Year Nitrogen Management Plan Summary Report |
January 12, 2018 |
Western Tulare Lake Basin Area |
Approval of the Surface Water Pesticide Monitoring Plan |
January 9, 2018 |
Western Tulare Lake Basin Area |
Review of the Comprehensive Groundwater Quality Management Plan |
January 5, 2018 |
Sacramento River Watershed (El Dorado) |
Approval of the Completion of Management Plan Requirements for Legacy Organochlorine Pesticides in North Canyon Creek |
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Irrigated Lands Regulatory Program (ILRP)
- Sacramento Office
11020 Sun Center Drive, #200
Rancho Cordova, CA 95670-6114
(916) 464-4611
irrlands@waterboards.ca.gov - Fresno Office
1685 "E" Street
Fresno, CA 93706-2007
(559) 488-4396
ilrpinfo@waterboards.ca.gov - Program Contacts
