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 county

Alpine County

  • There are currently no tentative items for this county

Amador County

Sierra Sunrise Vineyards, Montevina Winery in Amador County - Rescission Order

Proposed for consideration at the 21-22 August 2025 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 pm on 21 July 2025. Lixin Fu at (916) 882-8071 or by email at Lixin.Fu@waterboards.ca.gov.

Butte County

  • There are currently no tentative items for this county

Calaveras County

Toyon Middle School, Wastewater Treatment Facility in Calaveras County - Rescission Order

Proposed for consideration at the 21-22 August 2025 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 pm on 14 July 2025. Lixin Fu at (916) 882-8071 or by email at Lixin.Fu@waterboards.ca.gov.

Colusa County

City of Colusa, City of Colusa Wastewater Treatment Plant

On 15 May 2025, the City of Colusa accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2025-0503) issued by the Assistant Executive Officer on 13 May 2025 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 27 June 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

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 9 April 2025. 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

  • There are currently no tentative items for this county

El Dorado County

City of Placerville, Hangtown Creek Water Reclamation Facility

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 19 June 2025. Questions or comments may be directed to Walter Mobley at (916) 464-4805 or by email to Walter.Mobley@waterboards.ca.gov.

Fresno County

Comunidad Nuevo Lago, Inc.; Comunidad Nuevo Lago Shady Lakes Wastewater Treatment Facility – Tentative Rescission Order for Waste Discharge Requirements Order 75-079

roposed for consideration at the 9-10 October 2025 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 pm on 22 August 2025. Questions or comments may be directed to Cruz Romero at (559) 445-5036 or by email at Cruz.Romero@waterboards.ca.gov.

Glenn County

  • There are currently no tentative items for this section

Kern County

City of Taft, Taft Federal Prison Wastewater Treatment Facility - Tentative Rescission Order for Waste Discharge Requirements Order R5-2009-0054

Proposed for consideration at the 9/10 October 2025 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 pm on 24 July 2025. Questions or comments may be directed to Cruz Romero at (559) 445-5036 or by email at Cruz.Romero@waterboards.ca.gov.

Stallion Springs Community Services District, Wastewater Treatment Facility

Proposed for consideration at the 21-22 August 2025 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 pm on 14 July 2025. Questions or comments may be directed to Lovdeep Singh at (559) 445-5130 or by email to Lovdeep.Singh@waterboards.ca.gov.

Kings County

  • There are currently no tentative items for this county

Lake County

  • There are currently no tentative items for this county

Lassen County

  • There are currently no tentative items for this county

Madera County

California Department of Transportation; Madera 41 South Expressway; Phase 1 EA 06-0R040

Proposed for consideration at the 21-22 August 2025 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 20 June 2025. If you would like to receive a paper copy of the Tentative Waste Discharge Requirements Order or if you have any questions or comments, please contact Olivia Ilsley by phone at (559) 464-4673 or via email at olivia.ilsley@waterboards.ca.gov.

Constellation Brands US Operations, Inc.; Mission Bell Winery; Tentative Waste Discharge Requirements

Proposed for consideration at the 21-22 August 2025 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 7 July 2025. Questions or comments may be directed to Jeffrey Pyle at (559) 445-5145 or by email to Jeffrey.Pyle@waterboards.ca.gov.

Mariposa County

  • There are currently no tentative orders for this county

Merced County

City of Merced, Merced Wastewater Treatment Facility

Proposed for consideration at the 21-22 August 2025 Regional 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 21 July 2025. Questions or comments may be directed to Nicolette Dentoni at (559) 444-2505 or by email at Nicolette.Dentoni@waterboards.ca.gov.

Modoc County

  • There are currently no tentative items for this county

Napa County

  • There are currently no tentative items for this county

Nevada County

Donner Summit Public Utility District, Wastewater Treatment Plant

On 04 June 2025, the Donner Summit Public Utility District accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2025-0520) issued by the Assistant Executive Officer on 13 May 2025 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 14 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.

Lake Wildwood Association, Lake Wildwood – Alum Application Plan

The Limited Threat General Order (R5-2022-0006-03) requires a 30-day public comment period for any proposed Alum Application Plan (AAP) submitted by Dischargers seeking coverage to apply alum for phosphorus sequestration under this Order. The Lake Wildwood Association has recently submitted their proposed AAP to apply alum to Lake Wildwood, located in Penn Valley, California. To be given full consideration, any comment or recommendation must be submitted to the Central Valley Regional Water Quality Control Board office via email at RB5S-NPDES-Comments@waterboards.ca.gov no later than 5:00 p.m. on 27 March 2025. To request an electronic copy of the proposed AAP, please contact Walter Mobley at (916) 464-4805 or Walter.Mobley@waterboards.ca.gov.

Nevada County Sanitation District No. 1, Lake Wildwood Wastewater Treatment Plant

On 16 June 2025, the Nevada County Sanitation District No. 1 accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2025-0521) issued by the Assistant Executive Officer on 13 May 2025 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.

Placer County

City of Auburn, City of Auburn Wastewater Treatment Plant

On 20 June 2025, the Nevada County Sanitation District No. 1 accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2025-0522) issued by the Assistant Executive Officer on 13 May 2025 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.

City of Roseville, Dry Creek 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 office email at RB5S-NPDES-Comments@waterboards.ca.gov no later than 5:00 p.m. on 14 March 2025. Questions or comments may be directed to David Kirn at (916) 464-4761 or by email to david.kirn@waterboards.ca.gov.

City of Roseville, Pleasant Grove 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 14 March 2025. Questions may be directed to Will Chen at (916) 464-4645 or by email to will.chen@waterboards.ca.gov.

Plumas County

  • There are currently no tentative items for this county

Sacramento County

Aerojet Rocketdyne Inc., Groundwater Extraction and Treatment Systems

On 17 June 2025, the Dischargers accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2025-0515 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 15 May 2025. 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 23 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.

Signature Homes Inc., Delta Shores Project

On 27 May 2025, Signature Homes Inc accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2025-0523) issued by the Assistant Executive Officer on 13 May 2025 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 7 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.

San Benito County

  • There are currently no tentative items for this county

San Joaquin County

Ballantyne Holdings, LLC; Former Marley Cooling Tower Company

Proposed for consideration by the Executive Officer. If no oral hearing is requested during the comment period, the public comment period and the Executive Officer’s review of the administrative record, including any written comments, shall constitute the public hearing. Based on comments received, the Executive Officer may decide to hold an oral hearing, or the matter will be considered at the Central Valley Water Board meeting scheduled for 24-25 April 2025 Board meeting. 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 February 2025. If you have any questions or comments, please contact Walter Mobley at (916) 464-4805 or by email at Walter.Mobley@waterboards.ca.gov.

City of Lodi, White Slough Water Pollution Control Facility - Tentative Waste Discharge Requirements

Proposed for consideration at the 21-22 August 2025 Regional 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 20 June 2025. Questions or comments may be directed to Madeline Kelsch at (916) 464-4714 or by email at Madeline.Kelsch@waterboards.ca.gov.

City of Lodi, White Slough Water Pollution Control Facility - Time Schedule Order

Proposed for consideration at a future 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 email at RB5S-NPDES-Comments@waterboards.ca.gov no later than 5:00 pm on 12 March 2025.

Additionally, a Notice of Applicability is proposed for reissuance. Comments or recommendations 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 pm on 25 February 2025.

For records of these comments, or questions, please contact Victor Lopez at (916) 464-4855 or by email at Victor.Lopez@waterboards.ca.gov.

City of Manteca, Manteca Wastewater Treatment Plant

On 19 May 2025, the Discharger accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2025-0512 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 13 May 2025. 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 23 June 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.

City of Mountain House, City of Mountain House Wastewater Treatment Plant

Proposed for consideration at the 21-22 August 2025 Regional 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 24 July 2025. Questions or comments may be directed to Saranya Elankovan at (916) 464-4742 or by email at Saranya.Elankovan@waterboards.ca.gov.

City of Mountain House, City of Mountain House Wastewater Treatment Plant

On 03 June 2025, the City of Mountain House accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2025-0517) issued by the Assistant Executive Officer on 13 May 2025 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 14 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.

City of Stockton, Stockton Regional Wastewater Control Facility

On 29 May 2025, the City of Stockton accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2025-0507) issued by the Assistant Executive Officer on 13 May 2025 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 3 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.

Constellation Winery U.S. Operations, Inc.; DBA Woodbridge Winery; Woodbridge Winery

Proposed for consideration at the 21-22 August 2025 Regional 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 10 July 2025. Questions or comments may be directed to Dina Calanchini at (916) 464-4740 or by email at 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 county

Shasta County

Shasta County Department of Public Works, Redding Regional Septage Disposal Facility - Tentative Waste Discharge Requirements

Proposed for consideration at the 21-22 August 2025 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 pm on 16 June 2025. Questions or comments may be directed to Joshua Smith at (530) 224-4205 or by email at Joshua.Smith@waterboards.ca.gov.

Sierra County

Original Sixteen to One Mine, Inc. /Quartzview Corporation; The Original Sixteen To One Mine

On 18 June 2025, the Dischargers accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2025-0514 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 15 May 2025. 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 23 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.

Siskiyou County

  • There are currently no tentative items for this county

Solano County

Recology Hay Road, Recology Hay Road Landfill Project

On 10 June 2025, Recology Hay Road accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2025-0508) issued by the Assistant Executive Officer on 13 May 2025 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 11 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.

Stanislaus County

City of Modesto, Water Quality Control Facility

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 13 May 2025. Questions or comments may be directed to Dina Calanchini at (916) 464-4740 or by email at dina.calanchini@waterboards.ca.gov

City of Modesto, Water Quality Control Facility

Proposed for consideration at the 21-22 August 2025 Regional 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 27 June 2025. Questions or comments may be directed to Dina Calanchini at (916) 464-4740 or by email at dina.calanchini@waterboards.ca.gov

City of Modesto, James D. Brisco, Peter Menghetti, and Demartini, Inc., Sludge Application to Land

Proposed for consideration at the 21-22 August 2025 Regional 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 27 June 2025. Questions or comments may be directed to Dina Calanchini at (916) 464-4740 or by email at dina.calanchini@waterboards.ca.gov

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

On 15 May 2025, the Dischargers accepted the offer to participate in the Expedited Payment Letter (EPL) program related to Administrative Civil Liability R5-2025-0509 for the assessment of Mandatory Minimum Penalties. The EPL was issued by the Assistant Executive Officer on 13 May 2025. 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 22 June 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.

Santa Fe Aggregates, Inc.

Proposed for consideration at the 21-22 August 2025 Regional 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 21 July 2025. Questions or comments may be directed to Vishaal Kumar at (916) 464-4625 or by email at vishaal.kumar@waterboards.ca.gov

Sutter County

  • There are currently no tentative items for this county

Tehama County

Sunsweet Dryers, Dryer 82 - Tentative Waste Discharge Requirements

Proposed for consideration at the 21-22 August 2025 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 28 July 2025. Questions or comments may be directed to Valerie Rasmussen at (530) 224-6130 or by email at Valerie.Rasmussen@waterboards.ca.gov

Tulare County

Sentinel Butte Mutual Water Company and the City of Woodlake; Reclamation Project – Tentative Rescission Order for Water Recycling Requirements Order 5-01-082

Proposed for consideration at the 21-22 August 2025 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 pm on 23 June 2025. Questions or comments may be directed to Salvador Vargas at (559) 444-2488 or by email at Salvador.Vargas@waterboards.ca.gov.

Tuolumne County

  • There are currently no tentative items for this county

Yolo County

Yocha Dehe Wintun Nation, Seka Hills Olive Mill

Proposed for consideration at the 9-10 October 2025 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 pm on 4 August 2025 to Lani Andam at (916) 464-4723 or by email at Lani.Andam@waterboards.ca.gov.

Yuba County

Linda County Water District, Linda County Water District Wastewater Treatment Plant

On 25 May 2025, Linda County Water District accepted the Offer to Participate in the Expedited Payment Letter Program relating to Administrative Civil Liability (R5-2025-0505) issued by the Assistant Executive Officer on 13 May 2025 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 27 June 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.

All Other Items for Future Board Meetings

  • There are currently no tentative items for this section