Level-1 Notifications
05/19/26: Valero Benicia Refinery Diesel Spill
03/19/26: Notification Correction - Valero Benicia Refinery Notification of Flaring
03/19/26: Valero Benicia Refinery Notification of Flaring and SO2 Release
02/14/26 Valero Benicia Refinery Diesel Spill
02/08/26: Valero Benicia Notification of Flaring and SO2 Release
01/30/26: Valero Benicia Notification of Odors and Flaring
01/29/26: Valero Benicia Intermittent Odor Update
01/27/26: Valero Benicia Notification of Odors and Flaring
01/26/26: Valero Benicia Notification of Odor
07/24/25: Valero Benicia Notification of Flaring
07/23/25: Valero Benicia Notification of Flaring
05/26/25: Valero Benicia Notification of Flaring
05/09/25: Valero Benicia Notification of Flaring
Level-2 Notifications
03/26/26: Valero Benicia Notification of Flare Tower Release
12/10/25 Valero Benicia Refinery released petroleum coke dust in excess of the reportable quantities
Level-3 Notifications
05/05/25 Valero Benicia Refinery Fire
Incidents Prior to Updated Hazardous Materials Incident Notification Policy adopted on March 4, 2025
Level-1 Notifications
03/04/25: Valero Benicia Notification of Odor
02/25/25: Valero Benicia Notification of Flaring
02/12/25: Valero Benicia Notification of Flaring
02/01/25: Contra Costa County Incident
12/31/24: Valero Benicia Notification of Flaring
12/03/24: Valero Benicia Notification of Flaring
11/12/24: Valero Benicia Notification of Flaring
10/21/24: Valero Benicia Notification of Flaring
10/01/24: Valero Benicia Notification of Flaring
08/23/24: Valero Benicia Notification of Flaring
08/22/24: Valero Benicia Notification of Flaring
08/21/24: Valero Benicia Notification of Flaring
04/10/24: Valero Benicia Notification of Flaring
03/24/24: Valero Benicia Notification of Flaring
02/17/24: Valero Benicia Notification of Flaring
01/15/24: Valero Benicia Notification of Flaring
11/09/23: Valero Benicia Notification of Flaring
03/18/23: Valero Benicia Notification of Flaring
03/06/23: Valero Benicia Notification of Flaring
02/18/23: Notification of Continuing Odor in Hillcrest neighborhood
01/28/23: Valero Benicia Notification of Possible Flaring
01/03/23: Valero Benicia Notification of Flaring
11/10/22: Valero Benicia Notification of Flaring
09/20/22: Valero Benicia Refinery Notification of Possible Flaring
07/21/22: Valero Benicia Refinery Notification of Flaring
03/10/22: Valero Benicia Refinery Notification of Flaring
02/16/22: Notification of Intermittent Flaring
01/22/22: Notification of Incident Propane Leak
12/10/21: Notification of Intermittent Flaring (Planned)
12/01/21: Valero Refinery Transient odor
11/17/21: Valero Benicia Refinery Minor Coke Silo Issue
10/01/21: Notification of Intermittent Flaring (Planned)
05/31/21: Notification of Intermittent Flaring (Planned)
03/31/21: Valero Benicia refinery diesel additive release
03/19/21: Valero Benicia Refinery flared for a short time period
03/18/21: Valero Benicia Refinery flared for a short time period
03/10/21: Valero Benicia Refinery flared for a short time period
02/23/21: Phillips Refinery transient odor
02/20/21: Valero Benicia Refinery released H2S (Hydrogen Sulfide)
02/19/21: Valero Benicia Refinery flared for a short time following operational issue
01/07/21: Notification of Intermittent Flaring (Planned)
Level-2 Notifications
08/27/24 Valero Benicia Refinery released SO2 (Sulfur Dioxide) in excess of the reportable quantities
02/23/24 Valero Benicia Refinery released SO2 (Sulfur Dioxide) in excess of the reportable quantities
11/07/22 Valero Benicia Refinery released SO2 (Sulfur Dioxide) in excess of the reportable quantities
07/21/22 Valero Benicia Refinery released SO2 (Sulfur Dioxide) in excess of the reportable quantities
12/11/21 Update to 12/11/21 Incident: Valero advised on the product released
12/11/21 Valero Benicia Refinery released vapors in excess of reportable quantities
12/10/21 Valero Benicia Refinery released SO2 (Sulfer Dioxide) in excess of reportable quantities
10/24/21 Valero Benicia Refinery observed a sheen in Sulphur Springs Creek from an unknown source
08/13/21: Valero Benicia Refinery released SO2 (Sulfur Dioxide) in excess of reportable quantities
03/09/21: Valero Benicia Refinery observed an unknown type of oil in Sulphur Springs Creek
01/21/21: Valero Benicia Refinery experienced an effluent line leak to their waste-water treatment plant
12/05/20: Valero Benicia Refinery released SO2 (Sulfur Dioxide) due to a "unit upset"
12/04/20: Linde Inc. (formerly Praxair Inc.) released anhydrous ammonia from a leaking pump seal
11/21/20: Valero Benicia Refinery released SO2 (Sulfur Dioxide) during a flaring event
08/21/20: Valero Benicia Refinery released SO2 (Sulfur Dioxide) during a flaring event
05/02/20: Valero Benicia Refinery spilled 9 Barrels of Pitch Asphalt within the refinery on soil and cement
02/01/20: Valero Benicia Refinery released SO2 (Sulfur Dioxide) during a flaring event
09/21/19: Valero Benicia Refinery released COS (Carbonoxide Sulfide)
09/20/19: Valero Benicia Refinery released SOX (Sulphur Oxides) during a flaring event
03/14/19: Valero Benicia Refinery Code Fines Release
Level-3 Notifications
03/25/24 Valero Benicia Refinery Incident Update 4
02/27/24 Valero Benicia Refinery Incident Update 3
02/24/24 Valero Benicia Refinery Incident Update 2