Tentative Orders/Permits

Permit	Deadline to Receive Comments	Written Comments Received	Scheduled Board Hearing Date
Tentative Waste Discharge Requirements (WDRs) and National Pollutant Discharge Elimination System (NPDES) Permit Renewal - Tesoro Refining & Marketing Company, Los Angeles Refinery - Wilmington Facility (NPDES No. 0003778, CI No. 5427)	05/15/2026		06/25/2026
Tentative Waste Discharge Requirements (WDRs) and National Pollutant Discharge Elimination System (NPDES) Permit Renewal - Tesoro Hathaway Tank Farm (NPDES No. CA0058343, CI No. 6297)	05/14/2026		06/25/2026
Tentative Waste Discharge Requirements (WDRs) and National Pollutant Discharge Elimination System (NPDES) Permit - City of Simi Valley, Simi Valley Water Quality Control Plant (WQCP), (NPDES No. CA0055221, CI No. 3021)	04/20/2026		05/28/2026
Tentative Waste Discharge Requirements (WDRs) and National Pollutant Discharge Elimination System (NPDES) Permit - City of Thousand Oaks (City) - Hill Canyon Treatment Plant (Hill Canyon TP) (NPDES No. CA0056294, CI No. 4917)	04/08/2026		05/28/2026

None at this time

Time Schedule Order	Deadline to Receive Comments	Written Comments	Scheduled Board Hearing Date
Tentative Time Schedule Order (TSO) for City of Simi Valley, Simi Valley Water Quality Control Plant (Simi Valley WQCP), (NPDES No. CA 0055221, CI No. 3021)	04/27/2026		05/28/2026

Termination	Deadline to Receive Comments	Written Comments	Scheduled Board Hearing Date
Termination of Individual Waste Discharge Requirements Order No. 91-055 and Monitoring and Reporting Program No. CI-7040 for Discharges to Land/Groundwater for Grizzly Bear's Burgers (File No. 90-080, Order No. R4-2026-XXXX, CI-7040, GeoTracker Global ID WDR100001300)	05/07/2026		05/28/2026
Tentative Order to Terminate Individual Waste Discharge Requirements and Monitoring and Reporting Program for Onsite Wastewater Treatment Systems Located on Tract 49240, Acton, California (File No. 91-017, Order No. R4-2026-XXXX, CI-7044, GeoTracker Global ID WDR100001474)	05/07/2026		05/28/2026
Termination of Waste Discharge Requirements for Surface Impoundment for H. Kramer & Company and Harshaw Chemical Company and Its Successor Companies, 1 Chapman Way, El Segundo, California (File No. 92-057, Geotracker ID No. SL204011483)	06/09/2025		To Be Determined

Title	Deadline to Receive Comments	Written Comments	Scheduled Board Hearing Date
Tentative Resolution Approving 2026-2028 Special Study - Hyperion Water Reclamation Plant (NPDES Permit No. CA0109991, CI No. 1492) and Terminal Island Water Reclamation Plant (NPDES Permit No. CA0053856, CI No.2171)	05/25/2026		06/25/2026

Title	Deadline to Receive Comments	Written Comments	Scheduled Board Hearing Date
Waste Discharge Requirements for Discharges of Low Threat Hydrostatic Test Water to Surface Waters in Coastal Watersheds of Los Angeles and Ventura Counties	01/08/2025		To Be Determined

None at this time

(Page last updated 5/14/26)

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