ILRP Coalition Submittals

Monitoring and reporting are required to assess the water quality in the Central Valley. The ILRP provides public access to monitoring reports, assessment reports, management plans, and water quality data collected under the program. Reports received are listed below by Coalition/Collaborative groups.

Copies of the listed documents may be requested from the staff person identified in the subsection for each reporting group. Coalition submittal and review documents prior to 2019 are also available upon request by contacting the identified staff person.

Overview

Public Comment Requests

Stakeholders and other interested parties are invited to submit written comments on the documents listed below to the identified staff member by the deadline provided for each document. Documents are available upon request.

  • There are currently no documents available for public comment.

Lists of Received Reports

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Submittals by Coalition Groups
Submittals by Collaborative Groups

Buena Vista Coalition

To request a copy of a submittal by the Buena Vista Coalition, please contact Ryan West by email at Ryan.West@waterboards.ca.gov or by phone at (559) 445-6188.

  • Pesticide Evaluation Protocol 2025 Update (2 August 2024)
  • 2024 Quality Assurance Project Plan Revision (3 July 2024)
  • Groundwater Quality Trend Monitoring Report – 2023 Water Year (1 May 2024)
  • 2024 Quality Assurance Project Plan Update (1 May 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • 2023 Quality Assurance Project Plan Update (3 December 2023)
  • 2022 Annual Monitoring Report (31 August 2023)
  • Updated Groundwater Management Practice Implementation Report for Southern San Joaquin Valley (31 August 2023)
  • Pesticide Evaluation Protocol 2024 Update (1 August 2023)
  • Groundwater Quality Trend Monitoring Report - 2022 Water Year (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • Pesticide Evaluation Protocol 2023 Update Final (23 November 2022)
  • Pesticide Evaluation Protocol 2023 Update (23 September 2022)
  • Annual Monitoring Report – 2021 Water Year (31 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • Groundwater Quality Trend Monitoring Annual Report – 2021 Water Year (29 April 2022)
  • Annual Monitoring Report – 2020 Water Year (20 September 2021)
  • Annual Monitoring Report – 2019 Water Year (31 August 2020)
  • Annual Monitoring Report 2018 (1 April 2020)

California Rice Commission

To request a copy of a submittal by the California Rice Commission, please contact Ashley Peters by email at Ashley.Peters@waterboards.ca.gov or by phone at (916) 464-4857.

  • Surface Water Quality Management Plan for Pyrethroids (19 April 2024)
  • 2023 Annual Monitoring Report (20 December 2023)
  • 2022 Annual Monitoring Report (29 December 2022)
  • Revised Rice Pesticide Evaluation – 2020 Update (30 June 2022)
  • Nitrate Control Program - Initial Assessment for Rice in the Sacramento Valley (4 March 2022)
  • 2021 Annual Monitoring Report (20 December 2021)
  • Revised Groundwater Quality Trend Monitoring Workplan (2 July 2021)
  • Quality Assurance Project Plan Amendment (24 June 2021)
  • Revised Groundwater Quality Trend Monitoring Workplan (22 April 2021)
  • Rice Pesticide Evaluation - 2020 Update (20 January 2021)
  • Pyrethroid Background and Baseline Monitoring Plan for Sacramento Valley Rice Growers (20 January 2021)
  • 2020 Annual Monitoring Report (17 December 2020)

Cawelo Water District Coalition

To request a copy of a submittal by the Cawelo Water District Coalition, please contact Ryan West by email at Ryan.West@waterboards.ca.gov or by phone at (559) 445-6188.

  • 2024 Comprehensive Groundwater Quality Management Plan (2 July 2024)
  • Surface Water Quality Management Plan Exemption Request (24 June 2024)
  • Groundwater Quality Trend Monitoring Annual Report – 2023 Water Year (1 May 2024)
  • Annual Monitoring Report – 2022 Revised (13 February 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • Pesticide Evaluation Protocol 2024 Update – Revised (25 January 2024)
  • Pesticide Evaluation Protocol 2024 Update (10 November 2023)
  • Updated Groundwater Management Practice Implementation Report for Southern San Joaquin Valley (31 August 2023)
  • 2022 Annual Monitoring Report (30 August 2023)
  • Groundwater Quality Trend Monitoring Annual Report - 2022 Water Year (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Pesticide Evaluation Protocol 2023 Update – Resubmittal (29 December 2022)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • Pesticide Evaluation Protocol 2023 Update (23 September 2022)
  • Annual Monitoring Report - 2021 Water Year (31 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • Groundwater Quality Trend Monitoring Annual Report – 2021 Water Year (29 April 2022)
  • Annual Monitoring Report – 2020 Water Year (12 October 2021)
  • Annual Monitoring Report – 2019 Water Year (31 August 2020)
  • Annual Monitoring Report 2018 (31 August 2019)

East San Joaquin Water Quality Coalition

To request a copy of a submittal by the East San Joaquin Water Quality Coalition, please contact Yared Kebede by email at Yared.Kebede@waterboards.ca.gov or by phone at (916) 464-4828.

  • 2024 Groundwater Quality Management Plan Amendment (1 July 2024)
  • 2024 Groundwater Annual Monitoring Report (1 May 2024)
  • 2024 Surface Water Annual Monitoring Report (1 May 2024)
  • Sediment Chlorpyrifos Monitoring Reduction Request (29 February 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • 2024 Water Year Monitoring Plan Update Addendum (16 January 2024)
  • Management Plan Completion Request (18 December 2023)
  • 2024 Water Year Monitoring Plan Update (1 August 2023)
  • 2023 Annual Management Practice Implementation and Nitrogen Application Report (1 July 2023)
  • 2023 Groundwater Quality Trend Monitoring Network Update (9 June 2023)
  • Pyrethroid Focused Outreach Addendum (18 May 2023)
  • 2023 Annual Surface Water Monitoring Report (1 May 2023)
  • 2023 Annual Groundwater Monitoring Report (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • 2023 Water Year Quality Assurance Project Plan Amendment (15 March 2023)
  • 2023 Water Year Monitoring Plan Update Addendum (15 January 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • 2023 Water Year Monitoring Plan Update (1 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2021 Crop Year (1 July 2022)
  • 2022 Annual Surface Water Monitoring Report (2 May 2022)
  • 2022 Annual Groundwater Monitoring Report (2 May 2022)
  • 2022 Water Year Monitoring Plan Update Addendum (15 January 2022)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2020 Crop Year (1 September 2021)
  • 2022 Water Year Monitoring Plan Update (2 August 2021)
  • Chlorpyrifos Management Plan Completion Request (1 August 2021)
  • Surface Water and Groundwater Management Practice Implementation Report Template Update (14 May 2021)
  • 2021 Annual Surface Water Monitoring Report (1 May 2021)
  • 2021 Annual Groundwater Monitoring Report (1 May 2021)
  • Management Plan Completion Request (19 January 2021)
  • Groundwater Quality Trend Monitoring Workplan: 2020 Revisions and Update (21 May 2020)
  • 2020 Annual Surface Water Monitoring Report (1 May 2020)
  • 2020 Annual Groundwater Monitoring Report (1 May 2020)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2019 Crop Year (1 July 2020)
  • 2020 Water Year Monitoring Plan Update Addendum for the (15 January 2019)
  • 2020 Water Year Quality Assurance Project Plan Amendment (19 December 2019)
  • Groundwater Quality Management Plan Amendment and Groundwater Management Practice Implementation Report Template (2 December 2019)
  • 2019 Water Year Quality Assurance Project Plan Amendment (29 October 2019)
  • 2019 Groundwater Quality Assessment Report - Five-Year Update (30 September 2019)
  • 2020 Water Year Monitoring Plan Update (1 August 2019)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2018 Crop Year (1 August 2019)

Grassland Drainage Area Coalition

To request a copy of a submittal by the Grassland Drainage Area Coalition, please contact Ashley Peters by email at Ashley.Peters@waterboards.ca.gov or by phone at (916) 464-4857.

  • 2024 Groundwater Quality Management Plan Amendment (24 July 2024)
  • 2024 Groundwater Quality Trend Monitoring Network Update (10 June 2024)
  • 2023 Annual Monitoring Report (30 April 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2022 Crop Year (30 November 2023)
  • 2022 Annual Monitoring Report (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Revised Annual Management Practice Implementation and Nitrogen Application Report - 2021 Crop Year (31 March 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2021 Crop Year (30 November 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • 2021 Annual Monitoring Report (1 May 2022)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2020 Crop Year (7 February 2022)
  • 2020 Annual Monitoring Report (30 November 2021)
  • 2021 Groundwater Quality Trend Monitoring Plan Network Update (16 June 2021)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2019 Crop Year (30 November 2020)
  • Groundwater Quality Management Plan Amendment (22 October 2020)

Kaweah Basin Water Quality Association

To request a copy of a submittal by the Kaweah Basin Water Quality Association, please contact Christine Johnson by email at Christine.Johnson@waterboards.ca.gov or by phone at (559) 445-6051.

  • Pesticide Evaluation Protocol Update – 2025 Water Year (2 August 2024)
  • Quality Assurance Project Plan Revision (11 July 2024)
  • Comprehensive Groundwater Quality Management Plan – Revision 3 (1 July 2024)
  • Quality Assurance Project Plan Update (10 June 2024)
  • Groundwater Quality Trend Monitoring Annual Status Report – 2023 Water Year (30 April 2024)
  • Revised Annual Monitoring Report – 2022 Water Year (23 February 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • Quality Assurance Project Plan Update (3 October 2023)
  • Annual Monitoring Report – 2022 Water Year (31 August 2023)
  • 2022 Comprehensive Groundwater Quality Management Plan Annual Status Report (31 August 2023)
  • Updated Groundwater Management Practice Implementation Report for Southern San Joaquin Valley (31 August 2023)
  • Pesticide Evaluation Protocol Update – 2024 Water Year (1 August 2023)
  • 2023 Groundwater Quality Trend Monitoring Network Update (19 June 2023)
  • Groundwater Quality Trend Monitoring Annual Status Report - 2022 Water Year (1 May 2023)
  • Comprehensive Surface Water Quality Management Plan (24 April 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Updated Surface Water Monitoring Plan – Revision 3 (24 March 2023)
  • Surface Water Monitoring Plan – Revision 3 (22 December 2022)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • Revised Pesticide Evaluation Protocol Update - 2023 Water Year (29 November 2022)
  • Pesticide Evaluation Protocol Update – 2023 Water Year (20 September 2022)
  • Annual Monitoring Report – 2021 Water Year (31 August 2022)
  • 2021 Comprehensive Groundwater Quality Management Plan Annual Status Report (31 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • Response to Central Valley Water Board Review of 2020 Water Year Annual Monitoring Report (22 June 2022)
  • Groundwater Quality Trend Monitoring Annual Report – 2021 Water Year (1 May 2022)
  • 2020 Comprehensive Groundwater Quality Management Plan Annual Status Report (1 October 2021)
  • Annual Monitoring Report – 2020 Water Year (1 October 2021)
  • Surface Water Monitoring Plan – Revision 2 (28 May 2021)
  • 2019 Annual Monitoring Report (31 August 2020)
  • 2018 Annual Monitoring Report (31 August 2019)
  • Groundwater Trend Monitoring Workplan - Phase II Addendum 2 (19 July 2019)

Kern River Watershed Coalition Authority

To request a copy of a submittal by the Kern River Watershed Coalition Authority, please contact Marco Rodriguez by email at Marco.Rodriguez@waterboards.ca.gov or by phone at (559) 445-6187.

  • Pesticide Evaluation Protocol Update – 2025 Water Year (2 August 2024)
  • Comprehensive Groundwater Quality Management Plan – Revision 4 (2 July 2024)
  • 2022 Chanac Creek Annual Status Report Update (13 May 2024)
  • 2023 Comprehensive Groundwater Quality Management Plan Annual Status Report (30 April 2024)
  • Chanac Creek Surface Water Quality Management Plan – pH Addendum (9 February 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • Quality Assurance Project Plan Update (31 October 2023)
  • Poso Creek Surface Water Quality Management Plan (pH E. coli) (10 October 2023)
  • 2022 Chanac Creek Annual Status Report (31 August 2023)
  • 2022 Comprehensive Groundwater Quality Management Plan Annual Status Report (31 August 2023)
  • Annual Monitoring Report - 2022 Water Year (31 August 2023)
  • Updated Groundwater Management Practice Implementation Report for Southern San Joaquin Valley (31 August 2023)
  • Pesticide Evaluation Protocol Update - 2024 Water Year (31 July 2023)
  • 2022 Groundwater Quality Trend Monitoring Annual Status Report (1 May 2023)
  • Kern River Surface Water Quality Management Plan (pH) (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • 2023 Kern River Arsenic Source ID Proposal (8 February 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • Pesticide Evaluation Protocol Update - 2023 Water Year (21 September 2022)
  • Annual Monitoring Report - 2021 Water Year (31 August 2022)
  • 2021 Comprehensive Groundwater Quality Management Plan Annual Status Report (31 August 2022)
  • Chanac Creek Surface Water Quality Management Plan Annual Status Report - 2021 Water Year (31 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • Groundwater Quality Trend Monitoring Annual Report – 2021 Water Year (29 April 2022)
  • Chanac Creek Surface Water Quality Management Plan Annual Status Report – 2020 Water Year (4 October 2021)
  • 2020 Comprehensive Groundwater Quality Management Plan Annual Status Report (30 September 2021)
  • Annual Monitoring Report – 2020 Water Year (30 September 2021)
  • Annual Monitoring Report – 2019 Water Year (31 August 2020)
  • 2018 Annual Monitoring Report (31 August 2019)
  • Groundwater Trend Monitoring Workplan - Phase II Monitoring Network Addendum 2 (23 January 2019)

Kings River Water Quality Coalition

To request a copy of a submittal by the Kings River Water Quality Coalition, please contact Sue Yang by email at Sue.Yang@waterboards.ca.gov or by phone at (559) 445-5644.

  • Source Identification Study Workplan – Molybdenum and Nickel (1 August 2024)
  • 2024 Revised Groundwater Quality Management Plan (1 July 2024)
  • 2023 Groundwater Trend Monitoring Annual Status Report (1 May 2024)
  • Groundwater Quality Trend Monitoring Well Workplan Update – Revision 3 (1 May 2024)
  • 2024 Groundwater Quality Trend Monitoring Well Network Update (1 May 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • Request for the Completion of the Chlorpyrifos Management Plan for the Gould Canal (26 January 2024)
  • 2024 Surface Water Monitoring Plan Update (30 October 2023)
  • 2024 Pesticide Evaluation Protocol Update (30 October 2023)
  • 2022 Annual Monitoring Report (31 August 2023)
  • Comprehensive Surface Water Quality Management Plan (31 August 2023)
  • 2022 Comprehensive Groundwater Quality Management Plan Annual Report (31 August 2023)
  • Updated Groundwater Management Practice Implementation Report for Southern San Joaquin Valley (31 August 2023)
  • 2023 Groundwater Quality Trend Monitoring Well Network Update #1 (18 July 2023)
  • Groundwater Quality Trend Monitoring Workplan - Revision 3 (1 May 2023)
  • 2022 Groundwater Trend Monitoring Annual Status Report (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Alternative Nitrogen Reporting Proposal (13 February 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • 2020 Annual Monitoring Report Addendum (15 November 2022)
  • 2021 Annual Monitoring Report Revision (31 October 2022)
  • 2023 Pesticide Evaluation Protocol Proposal Update (26 September 2022)
  • 2021 Comprehensive Groundwater Quality Management Plan Annual Report (31 August 2022)
  • 2021 Annual Monitoring Report (31 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • 2021 Groundwater Trend Monitoring Annual Status (9 June 2022)
  • 2022 Groundwater Quality Trend Monitoring Well Network (3 May 2022)
  • Request for Extended Submittal for Groundwater Trend Monitoring Annual Status Report (8 April 2022)
  • 2020 Annual Monitoring Report (31 October 2021)
  • Comprehensive Groundwater Quality Management Plan Annual Report (31 October 2021)
  • 2019 Annual Monitoring Report (31 August 2020)
  • 2018 Comprehensive Groundwater Quality Management Plan (3 September 2019)
  • 2018 Annual Monitoring Report (31 August 2019)
  • Proposed 2019 Groundwater Quality Trend Monitoring Network (7 June 2019)

Sacramento Valley Water Quality Coalition

To request a copy of a submittal by the Sacramento Valley Water Quality Coalition, please contact Olivia Mathews by email at Olivia.Mathews@waterboards.ca.gov or by phone at (530) 224-3215.

  • Surface Water Quality Management Plan for Pyrethroid Pesticides in Freshwater Creek (26 November 2024)
  • 2023 Annual Management Practice Implementation and Nitrogen Management Report (25 November 2024)
  • 2024 High Vulnerability Area Update (22 November 2024)
  • Revised 2023 High Vulnerability Area Update (22 November 2024)
  • Surface Water Quality Management Plan for Nitrate + Nitrite in Grand Island Drain (24 October 2024)
  • Revised 2023 Annual Monitoring Report (9 August 2024)
  • 2025 Monitoring Plan Update (1 August 2024)
  • Amended Groundwater Quality Management Plan (15 July 2024)
  • 2024 Groundwater Quality Trend Monitoring Program Update (11 July 2024)
  • Proposed Modifications to Groundwater Quality Trend Monitoring Program (11 July 2024)
  • 2023 Annual Monitoring Report (1 May 2024)
  • 2023 Management Plan Progress Report (1 May 2024)
  • 2023 Groundwater Quality Trend Monitoring Program Annual Monitoring Report (1 May 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • Request to Submit a 5-Year Irrigation and Nitrogen Management Plan Summary Report Evaluation of Management Practices and Soil Conditions (13 December 2023)
  • 2022 Annual Management Practice Implementation and Nitrogen Management Report (1 December 2023)
  • 2023 High Vulnerability Area Update (24 October 2023)
  • Use of Central Valley Site-Specific Ammonia Criteria Draft (24 October 2023)
  • Revised 2024 Monitoring Plan Update (4 October 2023)
  • Request to Cease Monitoring and Reporting on Chlorpyrifos and Modify Monitoring and Reporting on Diazinon (24 July 2023)
  • 2023 Groundwater Quality Trend Monitoring Network Update (23 June 2023)
  • 2022 Annual Monitoring Report (1 May 2023)
  • 2022 Management Plan Progress Report (1 May 2023)
  • 2022 Chlorpyrifos and Diazinon Total Maximum Daily Loads Report (1 May 2023)
  • 5 Year Groundwater Quality Trend Monitoring Report (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Request to Complete Management Plan for Diazinon in Gilsizer Slough (15 March 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • 2021 Annual Management Practice Implementation and Nitrogen Management Report (30 November 2022)
  • Revised 2023 Monitoring Plan (27 September 2022)
  • 2022 Ground Water Quality Trend Monitoring Update (10 August 2022)
  • Grand Island Nitrate + Nitrite Source Investigation (1 August 2022)
  • Lower Honcut Creek Pyrethroid Pesticide Management Plan (1 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • Lower Snake River Management Plan for Pyrethroid Pesticides (27 June 2022)
  • Willow Slough Bypass Ammonia Source Investigation (27 May 2022)
  • Management Completion Request for Chlorpyrifos in Gilsizer Slough (19 May 2022)
  • Pine Creek Pyrethroid Pesticide Management Plan (19 May 2022)
  • 2021 Annual Monitoring Report (2 May 2022)
  • 2021 Annual Groundwater Quality Trend Monitoring Annual Report
  • 2022 Farm Evaluation Summary Letter (27 April 2022)
  • Summary of Management Practice Information from Farm Evaluations (30 March 2022)
  • Update of the Pesticides Evaluation Protocol, EO Pesticides List (25 March 2022)
  • Annual Management Practice Implementation and Nitrogen Management Report (2020 Nitrogen Analysis) - 2020 Crop Year (29 November 2021)
  • Request to Approve Completion of the Management Plan for Selenastrum capricornutum in Ulatis Creek (22 November 2021)
  • Surface Water Monitoring Reduction Request (19 November 2021)
  • CV-SALTS Extension Request (22 October 2021)
  • Revised 2022 Monitoring Plan Update (16 September 2021)
  • Notice to Comply With CV-SALTS (10 September 2021)
  • Groundwater Quality Management Practices Implementation Report Strategy and Template (12 August 2021)
  • Groundwater Protection Values Report (19 July 2021)
  • 2020 Annual Monitoring Report (1 May 2021)
  • Request to Amend Quality Assurance Project Plan (16 December 2020)
  • Request to Omit the 2020 On-Farm Management Practices Verification Inspections (1 December 2020)
  • Management Practice Implementation Report Template (4 November 2020)
  • 2021 Monitoring Plan Update (12 October 2020)
  • Revised Surface Water Quality Management Plan for Diazinon in Gilsizer Slough (23 September 2020)
  • Groundwater Quality Assurance Project Plan and the Subsequent Revisions Through 1 March 2021 (10 July 2020)
  • Management Plan Completion Request for Copper in Pine Creek (20 May 2020)
  • Management Plan Completion Request for Chlorpyrifos in Pine Creek (20 May 2020)
  • Pyrethroid BPA Accredited Labs (14 May 2020)
  • Direction For Future Updates to the Groundwater Quality Trend Monitoring Program Networks (11 May 2020)
  • 2019 Groundwater Trend Monitoring Program Annual Monitoring Report (1 May 2020)
  • Reduced Monitoring/Management Practices Verification Option Proposal for the Goose Lake Watershed (16 April 2020)
  • Clarification Letter Regarding the Approved Surface Water Quality Management Plan for Hyalella azteca in Ulatis Creek (3 January 2020)
  • Management Plan Completion Request for DDE in Coon Hollow Creek (26 November 2019)
  • Management Plan Completion Request for DDE in Gilsizer Slough (26 November 2019)
  • Management Plan Completion Request for DDE at Rough and Ready Pumping Plan (26 November 2019)
  • Management Plan for Sediment Toxicity to Hyalella azteca in Ulatis Creek (22 November 2019)
  • Nitrogen Management Plan Summary Report Analysis - 2018 Crop Year (22 November 2019)
  • Management Plan Completion Request for DDE in Coon Hollow Creek (11 November 2019)
  • 2020 Assessment Year Monitoring Plan Update (24 October 2019)
  • Revised 2020 Monitoring Plan Update (23 October 2019)
  • Revised 2018 Annual Monitoring Reports (27 September 2019):
    • Groundwater Monitoring Results
    • Chlorpyrifos and Diazinon Total Maximum Daily Loads Report
    • Management Plan Progress Report
  • Request to Align Assessment Monitoring for Subwatersheds Enrolled in the Reduced Monitoring / Management Practices Verification Option (27 September 2019)
  • Reduced Monitoring/Management Plan Verification Option Proposal for the Upper Feather River Subwatershed (3 September 2019)
  • 2020 Monitoring Plan Update (1 August 2019)

San Joaquin County and Delta Water Quality Coalition

To request a copy of a submittal by the San Joaquin County and Delta Water Quality Coalition, please contact Chris Jimmerson by email at Chris.Jimmerson@waterboards.ca.gov or by phone at (916) 464-4859.

  • Management Plan Completion Request (11 December 2024)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2023 Crop Year (30 November 2024)
  • 2025 Water Year Monitoring Plan Update revision (2 October 2024)
  • 2024 Groundwater Quality Assurance Project Plan amendment (25 September 2024)
  • 2025 Water Year Monitoring Plan Update (1 August 2024)
  • Updated 2024 Groundwater Quality Trend Program Monitoring Network (19 July 2024)
  • 2024 Groundwater Quality Management Plan Amendment (1 July 2024)
  • 2024 Surface Water Annual Monitoring Report (1 May 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • 2024 Water Year Monitoring Plan Update Addendum (16 January 2024)
  • Sediment Chlorpyrifos Monitoring Request (11 January 2024)
  • Management Plan Completion Request (17 December 2023)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2022 Crop Year (30 November 2023)
  • 2024 Water Year Monitoring Plan Update (1 August 2023)
  • 2023 Annual Surface Water Monitoring Report (1 May 2023)
  • 2023 Annual Groundwater Monitoring Report (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Request for Annual Management Practice Implementation and Nitrogen Application Report reporting reduction (28 March 2023)
  • Quality Assurance Project Plan amendment (21 March 2023)
  • 2023 Water Year Monitoring Plan Update Report Addendum (15 January 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2021 Crop Year (30 November 2022)
  • 2023 Water Year Monitoring Plan Update Revised (12 September 2022)
  • 2023 Water Year Monitoring Plan Update (1 August 2022)
  • Groundwater Quality Trend Monitoring Network Update Memo (22 July 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • 2022 Annual Surface Water Monitoring Report (2 May 2022)
  • 2022 Annual Groundwater Monitoring Report (3 May 2022)
  • Management Plan Completion Request (3 February 2022)
  • 2022 Water Year Monitoring Plan Update Addendum (15 January 2022)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2020 Crop Year (30 November 2021)
  • Request monitoring location replacement for Mormon Slough (19 November 2021)
  • Chlorpyrifos and Diazinon Monitoring Reduction Request (31 August 2021)
  • 2022 Water Year Monitoring Plan Update (2 August 2021)
  • Addendum to Groundwater Quality Assessment Report 2020 Update (30 June 2021)
  • 2021 Annual Surface Water Monitoring Report (1 May 2021)
  • 2021 Annual Groundwater Monitoring Report (1 May 2021)
  • 2021 Water Year Monitoring Plan Update Addendum (15 January 2021)
  • 2020 Groundwater Quality Assessment Report - Five-year update (18 December 2020)
  • Groundwater Quality Management Plan Amendment and Management Practice Implementation Report Template (19 October 2020)
  • Surface Water Quality Management Plan Amendment and Management Practice Implementation Report Template (19 October 2020)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2019 Crop Year (30 November 2020)
  • 2020 Water Year Monitoring Plan Update Addendum (15 January 2020)
  • 2020 Water Year Quality Assurance Project Plan Amendment (6 January 2020)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2018 Crop Year (26 November 2019)
  • 2019 Water Year Quality Assurance Project Plan Amendment (31 October 2019)
  • 2020 Water Year Revised Monitoring Plan Update (13 September 2019)
  • 2020 Water Year Monitoring Plan Update (1 August 2019)

Tule Basin Water Quality Coalition

To request a copy of a submittal by the Tule Basin Water Quality Coalition, please contact E.J. Werlyklein by email at Elijah.Werlyklein@waterboards.ca.gov or by phone at (559) 444-2484.

  • Comprehensive Groundwater Quality Management Plan Update (1 July 2024)
  • Surface Water Monitoring Plan (21 February 2024)
  • Surface Water Quality Management Plan (7 February 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • Pesticide Evaluation Protocol – 2024 Water Year (18 September 2023)
  • 2022 Annual Monitoring Report (31 August 2023)
  • Updated Groundwater Management Practice Implementation Report for Southern San Joaquin Valley (31 August 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • 2021 Groundwater Quality Assessment Report – revised (8 December 2022)
  • 2023 Pesticide Monitoring Proposal (1 November 2022)
  • 2021 Annual Monitoring Report (31 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • 2022 Pesticide Monitoring Proposal (22 November 2021)
  • Annual Monitoring Report – 2020 Water Year (31 August 2021)
  • Annual Monitoring Report – 2019 Water Year (31 August 2020)
  • Annual Monitoring Report – 2018 Water Year (3 September 2019)
  • Groundwater Quality Trend Monitoring Phase 2 Well Details Update (5 March 2019)
  • Groundwater Quality Trend Monitoring Phase 2 Well Details (1 February 2019)

Westlands Water Quality Coalition

To request a copy of a submittal by the Westlands Water Quality Coalition, please contact Mathew Jian by email at Mathew.Jian@waterboards.ca.gov or by phone at (559) 445-5567.

  • Monitoring Plan Update – 2025 Water Year (1 August 2024)
  • 2024 Groundwater Quality Trend Monitoring Network Status Update (10 July 2024)
  • Groundwater Quality Management Plan Amendment (1 July 2024)
  • 2024 Groundwater Quality Trend Monitoring Annual Report (1 May 2024)
  • 2024 Surface & Groundwater Management Plan Progress Report (1 May 2024)
  • Sediment Chlorpyrifos Monitoring Reduction Request (4 April 2024)
  • Update Quality Assurance Project Plan – Version 2.1 (5 February 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • Annual Monitoring Report - 2022 Water Year (2 October 2023)
  • Petition for the Completion of Chlorpyrifos & Ceriodaphnia dubia Management Plans (7 August 2023)
  • Annual Monitoring Report - Attachment A Resubmittal – 2021 Water Year (1 August 2023)
  • Monitoring Plan Update - 2024 Water Year (1 August 2023)
  • 2023 Groundwater Quality Trend Monitoring Network Status Update (13 July 2023)
  • Draft Updated Quality Assurance Project Plan (11 May 2023)
  • 2023 Groundwater Quality Trend Monitoring Annual Report (1 May 2023)
  • 2023 Surface & Groundwater Management Plan Progress Report (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • 2022 Annual Report Addendum-updated Attachment A (21 February 2023)
  • 2022 Annual Report Addendum (6 February 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • Annual Monitoring Report - 2021 Water Year (3 October 2022)
  • Monitoring Plan Update – 2023 Water Year (2 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • Quality Assurance Project Plan (13 June 2022)
  • Surface and Groundwater Quality Management Plan Amendment Revision (9 June 2022)
  • Groundwater Quality Trend Monitoring Annual Report (2 May 2022)
  • 2022 Surface and Groundwater Management Plan Progress Report (2 May 2022)
  • 2022 Quality Assurance Project Plan Amendment (28 December 2021)
  • Westlands Source Identification Study Additional Data Request (22 November 2021)
  • Annual Monitoring Report – 2021 Water Year (1 October 2021)
  • 2022 Monitoring Plan Update (2 August 2021)
  • Annual Monitoring Report – 2019 Water Year (1 October 2020)
  • Annual Monitoring Report – 2018 Water Year (19 October 2019)
  • Groundwater Quality Trend Monitoring Program - 2019 Well Network Update (1 July 2019)

Westside San Joaquin River Watershed Coalition

To request a copy of a submittal by the Westside San Joaquin River Watershed Coalition, please contact Dana Kulesza by email at Dana.Kulesza@waterboards.ca.gov or by phone at (916) 464-4847.

  • Groundwater Trend Monitoring Network Update (10 June 2024)
  • Surface Water Monitoring Plan Update for March 2024 through February 2025 (1 May 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • Monitoring Plan Update for March 2024 through February 2025 (15 December 2023)
  • Annual Management Practice Implementation and Nitrogen Application Report (30 November 2023)
  • Annual Monitoring Report (30 June 2023)
  • Groundwater Trend Monitoring Network Update (1 June 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • Monitoring Plan Update for March 2023 through February 2024 (15 December 2022)
  • Annual Management Practice Implementation and Nitrogen Application Report (30 November 2022)
  • 2nd Revised Quality Assurance Project Plan (13 September 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • Annual Monitoring Report (30 June 2022)
  • Groundwater Trend Monitoring Network Update (9 June 2022)
  • Annual Groundwater Trend Monitoring Report (29 April 2022)
  • Annual Management Practice Implementation and Nitrogen Application Report (7 February 2022)
  • Revised Quality Assurance Project Plan (18 January 2022)
  • Surface Water Monitoring Plan Update for March 2022 through February 2023 (November 2021 - January 2022)
  • 5-Year Groundwater Assessment Report Update within the Central Valley Groundwater Monitoring Collaborative 5-Year Report (29 November 2021)
  • Surface Water Management Plan Amendment (28 October 2021)
  • Surface Water Annual Monitoring Report (24 August 2021)
  • Chlorpyrifos & Diazinon Total Maximum Daily Loads Monitoring Reduction Request (11 March 2021)
  • Irrigation Nitrogen Management Plan & Management Practice Implementation Reporting Summary Report (30 November 2021)
  • Surface Water Monitoring Plan Update for March 2021 through February 2022 (November 2020)
  • Surface Water & Groundwater Management Plan Update to Incorporate the Management Practice Implementation Reporting Process (22 October 2021)
  • Surface Water Annual Monitoring Report (30 June 2020)
  • Groundwater Trend Monitoring Network Update (22 June 2020)
  • Groundwater Annual Monitoring Report (29 April 2020)
  • Management Plan Completion Request for 43 Management Plans (23 December 2019)
  • 2020-2021 Monitoring Plan Update (15 December 2019)
  • Annual Management Practice Implementation and Nitrogen Application Report - 2018 Crop Year (30 November 2019)
  • Revised Draft Sediment Toxicity and Pyrethroids Management Plan (29 October 2019)

Westside Water Quality Coalition

To request a copy of a submittal by the Westside Water Quality Coalition, please contact Ryan West by email at Ryan.West@waterboards.ca.gov or by phone at (559) 445-6188.

  • Pesticide Evaluation Protocol 2025 Update (2 August 2024)
  • 2024 Comprehensive Groundwater Quality Management Plan (2 July 2024)
  • Groundwater Quality Trend Monitoring Annual Report – 2023 Water Year (1 May 2024)
  • Source Identification Study Workplan – pH, Boron, and Selenium (5 April 2024)
  • Workplan: Crop-Specific Acceptable Ranges of Applied Nitrogen Relative to Nitrogen Removed (26 January 2024)
  • 2022 Comprehensive Groundwater Quality Management Plan Annual Status Report (31 August 2023)
  • Updated Groundwater Management Practice Implementation Report for Southern San Joaquin Valley (31 August 2023)
  • 2022 Annual Monitoring Report (30 August 2023)
  • Pesticide Evaluation Protocol 2024 Update (31 July 2023)
  • Groundwater Quality Trend Monitoring Annual Report – 2022 Water Year (1 May 2023)
  • Groundwater Protection Targets Technical Memorandum (3 April 2023)
  • Revised Groundwater Protection Targets Report (15 December 2022)
  • Pesticide Evaluation Protocol 2023 Update – Revised (27 October 2022)
  • Pesticide Evaluation Protocol 2023 Update (23 September 2022)
  • 2021 Comprehensive Groundwater Quality Management Plan Annual Status Report (31 August 2022)
  • Annual Monitoring Report – 2021 Water Year (31 August 2022)
  • Groundwater Protection Targets Report (19 July 2022)
  • Groundwater Quality Trend Monitoring Annual Report – 2021 Water Year (29 April 2022)
  • 2020 Comprehensive Groundwater Quality Management Plan Annual Status Report (17 September 2021)
  • Annual Monitoring Report – 2020 Water Year (16 September 2021)
  • Annual Monitoring Report – 2019 Water Year (31 August 2020)
  • Annual Monitoring Report – 2018 Water Year (31 August 2019)

Northern San Joaquin/Sacramento MPEP Group

To request a copy of a submittal by the Northern San Joaquin/Sacramento Management Practice Evaluation Program (MPEP) Group, please contact Ashley Peters by email at Ashley.Peters@waterboards.ca.gov or by phone at (916) 464-4857.

  • Coming soon.

Southern San Joaquin MPEP Group

To request a copy of a submittal by the Southern San Joaquin Management Practice Evaluation Program (MPEP) Group, please contact Eric Warren by email at Eric.Warren@waterboards.ca.gov or by phone at (559) 445-5035.

  • Coming soon.

Central Valley Groundwater Monitoring Collaborative

To request a copy of a submittal by the Central Valley Groundwater Monitoring Collaborative, please contact Eric Warren by email at Eric.Warren@waterboards.ca.gov or by phone at (559) 445-5035.

  • Comprehensive Quality Assurance Project Plan – Revision 2 (7 January 2024)
  • Revised 5-Year Assessment Report (30 June 2022)
  • 5-year Groundwater Quality Assessment Report (30 November 2021)

Crop Nitrogen Knowledge Gap Study

To request a copy of a submittal by the Crop Nitrogen Knowledge Gap Study, please contact Yared Kebede by email at Yared.Kebede@waterboards.ca.gov or by phone at (916) 464-4828.

  • Final Nitrogen Management Plan Technical Advisory Working Group Report of Yield (Y) to Nitrogen (N) Removed Conversions for Central Valley Crops: Nitrogen Concentrations in Harvested Plant Parts - A Literature Overview
  • Comments Received:
    • California Farm Bureau Federation Comments (3 March 2017)
    • San Joaquin County and Delta Water Quality Coalition Comments (3 March 2017)
    • Multiple Coalitions Joint Comments (3 March 2017)
    • Grimmway Farms Comments (3 March 2017)
    • California Cotton Ginners and Growers Association Comments (3 March 2017)
    • California Safflower Grower Association Comments (3 March 2017)
      • An Area-Wide Pest Management Strategic Plan for Safflower Production in the Southern San Joaquin Valley of California
      • A Crop Profile for Safflower Production in California
  • Updated Work Plan for the Crop Nitrogen Knowledge Gap Study Plan
  • Revisions Needed for Crop Nitrogen Knowledge Gap Study Plan and Guidance Documents
  • Crop Nitrogen Knowledge Gap Study Plan and Guidance Documents
  • Description of the Nitrogen Management Plan Technical Advisory Work Group

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