Tentative Orders
Select a Category
- Discharger-Specific Orders for Future Regional Water Board Meetings organized alphabetically by county and discharger name
- Click on a county name to view tentative orders for discharges within that county:
Alameda Alpine Amador Butte Calaveras Colusa Contra Costa El Dorado Fresno Glenn Kern Kings Lake Lassen Madera Mariposa Merced Modoc Napa Nevada Placer Plumas Sacramento San Benito San Joaquin San Luis Obispo Shasta Sierra Siskiyou Solano Stanislaus Sutter Tehama Tulare Tuolumne Yolo Yuba
- Click on a county name to view tentative orders for discharges within that county:
- All Other Items for Future Regional Water Board Meetings
- Tentative Orders and Other Agenda Items from Past Regional Water Board Meetings
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
- There are currently no tentative items for this section
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.
- Cover Letter
- Notice of Public Hearing
- Tentative Waste Discharge Requirements
- Tentative Monitoring and Reporting Program
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.
- Cover Letter
- Tentative Waste Discharge Requirements
- Tentative Monitoring and Reporting Requirements
- Notice of Public Hearing
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.
- Time Schedule Order
- Notice of Applicability
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.
- Cover Letter
- Notice of Public Hearing
- Tentative Waste Discharge Requirements
- Tentative Monitoring and Reporting Program
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
- Cover Letter
- Notice of Public Hearing
- Tentative Waste Discharge Requirements
- Tentative Monitoring and Reporting Requirements
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
- Cover Letter
- Notice of Public Hearing
- Tentative Waste Discharge Requirements
- Tentative Monitoring and Reporting Program
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
- There are currently no tentative items for this county
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