Tentative Orders

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Discharger-Specific Items for Future Approval and/or Regional Water Board Meetings

organized alphabetically by county and discharger name

Alameda County

  • There are currently no tentative items for this section

Alpine County

  • There are currently no tentative items for this section

Amador County

  • There are currently no tentative items for this section

Butte County

  • There are currently no tentative items for this section

Calaveras County

  • There are currently no tentative items for this section

Colusa County

City Of Williams, Wastewater Treatment Plant

Proposed for consideration by the Executive Officer. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office email at RB5S-NPDES-Comments@waterboards.ca.gov no later than 5:00 p.m. on 7 May 2026. Questions or comments may be directed to David Kirn at (916) 464-4761 or by email to david.kirn@waterboards.ca.gov.

Contra Costa County

Contra Costa Water District, Contra Costa Canal Replacement Project

On 8 June 2026, the Dischargers accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2026-0519 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 28 May 2026. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board at 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 PM on 10 July 2025. If you have any questions or comments regarding the EPL, please contact Xuan Luo at (916) 464-4606 or Xuan.Luo@waterboards.ca.gov.

Ironhouse Sanitary District, Ironhouse Water Recycling Facility

On 11 June 2026, the Dischargers accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2026-0522 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 28 May 2026. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board at 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 PM on 13 July 2026. If you have any questions or comments regarding the EPL, please contact Xuan Luo at (916) 464-4606 or Xuan.Luo@waterboards.ca.gov.

Quartzview Corporation, Sixteen To One Mine

On 8 June 2026, the Dischargers accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2026-0517 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 27 May 2026. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board at 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 PM on 10 July 2025. If you have any questions or comments regarding the EPL, please contact Xuan Luo at (916) 464-4606 or Xuan.Luo@waterboards.ca.gov.

Town of Discovery Bay Community Services District, Discovery Bay Wastewater Treatment Plant

On 9 June 2026, the Dischargers accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2026-0516 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 27 May 2026. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board at 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 PM on 10 July 2026. If you have any questions or comments regarding the EPL, please contact Xuan Luo at (916) 464-4606 or Xuan.Luo@waterboards.ca.gov.

El Dorado County

  • There are currently no tentative items for this section

Fresno County

Calmat Company DBA Vulcan Materials Company, Sanger Sand and Gravel Plant - Proposed Expedited Payment Letter Program for Mandatory Minimum Penalties

Proposed for consideration by the Executive Officer. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 pm on 22 June 2026. Questions or comments may be directed to Jennifer Dolores at (559) 710-1034 or Jennifer.Dolores@waterboards.ca.gov.

Glenn County

  • There are currently no tentative items for this section

Kern County

City of Arvin and Veolia Water West Operating Services, Inc.; Arvin Wastewater Treatment Facility - Proposed Approval of Exception to Sewage Connection Restriction

Proposed for consideration by the Executive Officer. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 pm on 23 June 2026. Questions or comments may be directed to Mario Jaramillo at (559) 445-5093 or Mario.Jaramillo@waterboards.ca.gov. Please also contact Mario Jaramillo for a copy of the City of Arvin's 18 May 2026 Sewage Connection Restriction Exception Request.

Millennium Pacific Farms Inc.; Millennium Tehachapi Greenhouse II; Proposed Order to Change Ownership and Name

Proposed for consideration at the 27-28 August 2026 Regional Board meeting. To be given full consideration, any comment or recommendation must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 pm on 4 June 2026. If you would like to receive a paper copy of the proposed Order or if you have any questions or comments, please contact Cruz Romero by phone at (559) 445-5036 or via email at Cruz.Romero@waterboards.ca.gov.

Kings County

  • There are currently no tentative items for this section

Lake County

Pacific Gas and Electric Company, Former Geothermal Inc. Facility - Time Schedule Order

Proposed for consideration by the Executive Officer. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 p.m. on 7 June 2026. Questions or comments may be directed to Todd DelFrate at (916) 464-4737 or by email to Todd.DelFrate@waterboards.ca.gov.

Lassen County

  • There are currently no tentative items for this section

Madera County

  • There are currently no tentative items for this section

Mariposa County

Mariposa Public Utility District, Wastewater Treatment Facility - Tentative Notice of Applicability

Proposed for consideration by the Executive Officer. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 pm on 31 March 2026. Questions or comments may be directed to Nicolette Dentoni at (559) 444-2505 or email to Nicolette.Dentoni@waterboards.ca.gov.

Merced County

M & M Carvalho Trust (Deanna M Carvalho Rocha) and Victor Fanelli; M & M Carvalho Trust Ranch

Proposed for consideration at a future Board Meeting. To be given full consideration, any comments or recommendations you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 p.m. on 5 January 2026. Questions or comments may be directed to Lamyae Zinebi at (916) 464-4636 or by email at Lamyae.Zinebi@waterboards.ca.gov.

Modoc County

  • There are currently no tentative items for this section

Napa County

  • There are currently no tentative items for this section

Nevada County

California Department of Parks and Recreation, Empire Mine State Historic Park Plant

On 08 June 2026, the California Department of Parks and Recreation accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0528) issued by the Assistant Executive Officer on 28 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 21 July 2025. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

Cascade Shores Wastewater Treatment Plant - Tentative Waste Discharge Requirements

Proposed for consideration by the Executive Officer. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 pm on18 March 2026. Questions or comments may be directed to Will Chen at (916) 464-4645 or email to Will.Chen@waterboards.ca.gov

Donner Summit Public Utility District, Donner Summit Public Utility District Wastewater Treatment Plant

On 12 June 2026, the Donner Summit Public Utility District ( accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0525) issued by the Assistant Executive Officer on 28 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 16 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

Placer County

City of Auburn, City of Auburn Wastewater Treatment Plant

On 11 June 2026, the City of Auburn ( accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0527) issued by the Assistant Executive Officer on 28 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 16 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

Thunder Valley Wastewater Treatment Plant - Tentative Waste Discharge Requirements

Proposed for consideration by the Executive Officer. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 pm on 8 May 2026. Questions or comments may be directed to Will Chen at (916) 464-4645 or email to Will.Chen@waterboards.ca.gov

United Auburn Indian Community, Thunder Valley Casino Wastewater Treatment Plant

On 08 June 2026, the United Auburn Indian Community ( accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0526) issued by the Assistant Executive Officer on 28 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 16 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

Plumas County

  • There are currently no tentative items for this section

Sacramento County

Bar None Auction, Bar None Auction Project - Tentative Waste Discharge Requirements

Proposed for consideration at the 27/28 August 2026 Board meeting. Any comments or recommendations you may have concerning the proposed Amendment must be submitted in writing to the Central Valley Regional Water Quality Control Board no later than 5 p.m on 15 July 2026. in order for them to receive full consideration prior to the 27/28 August 2026 Board meeting. Questions or a request for a copy of the tentative order may be directed at Nicholas Savino at (916) 464-4920 or Nicholas.Savino@waterboards.ca.gov.

City of Galt, Galt WWTP & Reclamation Facility

On 3 June 2026, the City of Galt accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0504) issued by the Assistant Executive Officer on 27 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 15 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

City of Galt Wastewater Treatment Plant and Reclamation Facility - Tentative Waste Discharge Requirements

Proposed for consideration by the Executive Officer. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 pm on 3 June 2026. Questions or comments may be directed to Saranya Elankovan at (916) 464-4742 or email to Saranya.Elankovan@waterboards.ca.gov.

Sacramento Area Sewer District, EchoWater Resource Recovery Facility

On 2 June 2026, the Sacramento Area Sewer District accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2026-0529 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 28 May 2026. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board at 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 PM on 3 July 2026. If you have any questions or comments regarding the EPL, please contact Xuan Luo at (916) 464-4606 or Xuan.Luo@waterboards.ca.gov.

Sterling Caviar, Sterling Caviar

On 03 June 2026, Sterling Caviar accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0524) issued by the Assistant Executive Officer on 28 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 16 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

San Benito County

  • There are currently no tentative items for this section

San Joaquin County

City of Lathrop, Consolidated Treatment Facility

On 8 June 2026, the City of Lathrop accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0506) issued by the Assistant Executive Officer on 27 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 15 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

City of Lodi, White Slough Pollution Control Facility

On 3 June 2026, the City of Lodi ccepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0507) issued by the Assistant Executive Officer on 27 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 15 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

City of Stockton, Wastewater Recovery Facility

On 12 June 2026, the City of Stockton accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0509) issued by the Assistant Executive Officer on 28 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 15 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

City of Tracy, Tracy Wastewater Treatment Plant

On 2 June 2026, the Dischargers accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2026-0521 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 27 May 2026. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board at 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 PM on 10 July 2026. If you have any questions or comments regarding the EPL, please contact Xuan Luo at (916) 464-4606 or Xuan.Luo@waterboards.ca.gov.

City of Tracy and Leprino Foods Company; Land Disposal Units of the City of Tracy Wastewater Treatment Plant

Proposed for consideration at the 27/28 August 2026 Regional Board meeting. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 p.m. on 29 May 2026. Questions or comments may be directed to Dina Calanchini at (916) 464-4740 or by email to dina.calanchini@waterboards.ca.gov.

Forward Inc., and Republic Services, Forward Landfill - Proposed Cleanup and Abatement Order

Proposed for consideration by the Executive Officer. Persons wishing to submit comments on this action must submit their comments in writing to the Central Valley Water Board no later than 5:00 p.m. of 17 March 2020. If you have any questions or comments, please contact Brendan Kenny at (916) 464-4635 or by email at Brendan.Kenny@waterboards.ca.gov.

San Luis Obispo County

  • There are currently no tentative items for this section

Shasta County

  • There are currently no tentative items for this section

Sierra County

  • There are currently no tentative orders for this section

Siskiyou County

  • There are currently no tentative items for this section

Solano County

City of Vacaville, Easterly WWTP

On 5 June 2026, the City of Vacaville accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0510) issued by the Assistant Executive Officer on 27 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 15 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

Recology Hay Road, Hay Road Landfill

On 3 June 2026, the discharger accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0513) issued by the Assistant Executive Officer on 27 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 15 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or or Xuan.Luo@waterboards.ca.gov.

Stanislaus County

The City of Modesto and the City of Turlock, North Valley Regional Recycled Water Program Joint Outfall

On 1 June 2026, the Dischargers accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2026-0518 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 28 May 2026. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board at 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 PM on 2 July 2026. If you have any questions or comments regarding the EPL, please contact Xuan Luo at (916) 464-4606 or Xuan.Luo@waterboards.ca.gov.

  • Offer to Participtate in the Expedited Payment Letter Program

Sutter County

City of Yuba City, Yuba City WWTF

On 12 June 2026, the City of Yuba City accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2026-0512) issued by the Assistant Executive Officer on 27 May 2026 for Assessment of Mandatory Minimum Penalties. Any person wishing to comment on this matter may submit written comments to the Central Valley Regional Water Quality Control Board, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670. Comments must be received no later than 5:00 p.m. on 15 July 2026. If you have any questions or comments regarding this matter, please contact Xuan Luo at (916) 454-4606 or Xuan.Luo@waterboards.ca.gov.

Tehama County

  • There are currently no tentative items for this section

Tulare County

Zynergy LLC; Bastian Lease; Deer Creek North Oil Field; Proposed Order to Change Ownership and Name

Proposed for consideration at the 27-28 August 2026 Regional Board meeting. To be given full consideration, any comment or recommendation must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 pm on 7 July 2026. If you would like to receive a paper copy of the proposed Order or if you have any questions or comments, please contact Josh Mahoney by phone at (559) 444-2449 or via email at Joshua.Mahoney@waterboards.ca.gov.

Zynergy LLC; Hastings Lease; Deer Creek North Oil Field; Proposed Order to Change Ownership and Name

Proposed for consideration at the 27-28 August 2026 Regional Board meeting. To be given full consideration, any comment or recommendation must be submitted in writing to the Central Valley Regional Water Quality Control Board office no later than 5:00 pm on 7 July 2026. If you would like to receive a paper copy of the proposed Order or if you have any questions or comments, please contact Josh Mahoney by phone at (559) 444-2449 or via email at Joshua.Mahoney@waterboards.ca.gov.

Tuolumne County

  • There are currently no tentative items for this section

Yolo County

University of Davis, Wastewater Treatment Plant

Proposed for consideration by the Executive Officer. To be given full consideration, any comment or recommendation you may have must be submitted in writing to the Central Valley Regional Water Quality Control Board office email at RB5S-NPDES-Comments@waterboards.ca.gov no later than 5:00 p.m. on 18 May 2026. Questions or comments may be directed to Armando Martinez at (916) 464-4617 or by email to Armando.Martinez@waterboards.ca.gov..

Tentative Notice of Applicability

Yuba County

  • There are currently no tentative items for this section

All Other Items for Future Board Meetings

NOTICE OF OPPORTUNITY TO PROVIDE COMMENTS ON PRELIMINARY DRAFT TENTATIVE PACKING GENERAL ORDER

The Central Valley Water Board is seeking comments on the Preliminary Draft Tentative General Waste Discharge Requirements for Fruit and Vegetable Packing Facilities Within the Central Valley Region (Packing General Order). The Packing General Order as currently proposed would cover discharges to land from fruit and vegetable packing facilities that discharge between 10,000 gallons and 180 million gallons of process wastewater annually. Please provide comments on the Preliminary Draft by 5:00 pm on 10 June 2026. Comments should be directed to centralvalleyfresno@waterboards.ca.gov and copy Katie.Carpenter@waterboards.ca.gov. For questions contact Katie Carpenter at (559) 445-5551.

NOTICE OF OPPORTUNITY TO PROVIDE COMMENTS ON THE TENTATIVE REGIONWIDE MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4) GENERAL ORDER

The Central Valley Water Board proposes to renew the Regionwide General NPDES Permit and Waste Discharge Requirements to address discharges from Municipal Separate Storm Sewer Systems (MS4) within its regional boundaries. Please provide comments to the Tentative Order by 5:00 pm on 10 July 2026. Questions or comments may be directed to Elizabeth Lee at (916) 464-4787 or Elizabeth.Lee@waterboards.ca.gov.