Grassland Bypass Project

WDRs for the Grassland Bypass Project (surface water)

• Waste Discharge Requirements for San Luis & Delta-Mendota Water Authority and United States Department of the Interior, Bureau of Reclamation, Surface Water Discharges from the Grassland Bypass Project, Order No. R5-2019-0077, Adopted on 5 December 2019 (replaces Order No. R5-2015-0094)
• Order No. R5-2015-0094, Adopted on 31 July 2015 (replaced by Order No. R5-2019-077)

WDRs for Growers in the Grassland Drainage Area (groundwater)

• Waste Discharge Requirements General Order for Growers in the Grassland Drainage Area, Order R5-2015-0095-07, *Includes revisions through 25 May 2022
  • Revisions
    • 07: Order No. R5-2015-0095, Revision of Monitoring and Reporting Program, Issued by the Executive Officer on 25 May 2022
    • 06: Order No. R5-2021-0053, Amending Waste Discharge Requirements, Adopted on 15 October 2021
    • 05: Order No. R5-2021-0018, Amending Waste Discharge Requirements, Adopted on 22 April 2021
    • 04: Order No. R5-2015-0095, Revision of Monitoring and Reporting Program, Issued by the Executive Officer on 28 February 2020
    • 03: Order No. R5-2019-0001, Amending Waste Discharge Requirements, Adopted on 7 February 2019
    • 02: Order No. R5-2015-0095, Revision of Monitoring and Reporting Program, Issued by the Executive Officer on 5 May 2017
    • 01: Order No. R5-2016-0015, Amending Waste Discharge Requirements, Adopted on 19 February 2016
• Order R5-2015-0095, Waste Discharge Requirements General Order for Growers in the Grassland Drainage Area, Adopted on 31 July 2015

Grassland Bypass Project Submittals (surface water)

To request a copy of a submittal listed below, please reach out to the Program Contact listed under Contact Us.

• 2022 Annual Monitoring Report (27 April 2023)
• Revised 2021 Annual Monitoring Report (15 July 2022)
• 2021 Annual Monitoring Report (30 April 2022)
• Memorandum: Leak into the San Luis Drain (27 April 2022)
• 2022 Surface Water Pesticide Monitoring Proposal (16 December 2021)
• Revised Grassland Bypass Project Technical and Monitoring Report Pursuant to California Water Code Section 13267 (14 December 2021)
• January to June 2021 Electronic Data Deliverable (25 October 2021)
• 2020 Annual Monitoring Report Memorandum (25 August 2021)
• Grassland Bypass Project Technical and Monitoring Report Pursuant to California Water Code Section 13267 (28 July 2021)
• Revised Drainage Management Plan (31 May 2021)
• 2020 Annual Monitoring Report (30 April 2021)
• Grassland Bypass Project data can be accessed through the California Environmental Data Exchange Network

Grassland Drainage Area Submittals (groundwater)