| Violation ID | Occurrence Date | Violation Type | Violation Description(-) | Violation Status | Priority | Source | Facility Name | Violated Reg. Meas. ID | Violated Reg. Meas. Order No. | Linked to Enf. | 
                
                  
      			   
                    
                      
                      
                        | 1147111 | 09/03/2025 | Sanitary Sewer Overflow/Spill/ | Type: Category 1 Spill; Pipe Structural Problem/Failure - Controls caused 3600 gallons of sewage to spill from Force Main at Chelsea Hills to Street/Curb and Gutter (2 3) | Violation | None | SSO | Benicia City CS | 300333 | 2022-0103-DWQ | N | 
                
                  
      			   
                    
                      
                      
                        | 1147109 | 09/02/2025 | Sanitary Sewer Overflow/Spill/ | Type: Category 1 Spill; Pipe Structural Problem/Failure - Controls caused 7200 gallons of sewage to spill from Force Main at Chelsea Hills Force Main to Street/Curb and Gutter (2 3) | Violation | None | SSO | Benicia City CS | 300333 | 2022-0103-DWQ | N | 
                
                  
      			   
                    
                      
                      
                        | 1141888 | 03/15/2025 | Sanitary Sewer Overflow/Spill/ | Type: Category 1 Spill; Root Intrusion,Debris-General caused 20400 gallons of sewage to spill from Gravity Mainline,Manhole at 1740 Francisca Ct to Drainage Conveyance System that discharges to surface water | Violation | None | SSO | Benicia City CS | 300333 | 2022-0103-DWQ | N | 
                
                  
      			   
                    
                      
                      
                        | 1140469 | 05/27/2024 | CAT2 | Chlorine, Total Residual 1-Hour Average (Mean) limit is 0.38 mg/L and reported value was 0.95 mg/L at EFF-001. | Violation | N | eSMR | Benicia WWTP | 435889 | R2-2019-0034 | N | 
                
                  
      			   
                    
                      
                      
                        | 1140063 | 02/02/2025 | Late Report | Annual SMR ( MONNPDES ) report for  2024 (2436712) was due on 01-FEB-25 | Violation | None | Report | Benicia WWTP | 435889 | R2-2019-0034 | N | 
                
                  
      			   
                    
                      
                      
                        | 1133161 | 04/08/2024 | Sanitary Sewer Overflow/Spill/ | Type: Category 1 Spill; Root Intrusion caused 60 gallons of sewage to spill from Manhole at Rose Dr to Drainage Conveyance System, Street/Curb and Gutter (2 3) | Violation | None | SSO | Benicia City CS | 300333 | 2022-0103-DWQ | N | 
                
                  
      			   
                    
                      
                      
                        | 1133160 | 02/28/2024 | Sanitary Sewer Overflow/Spill/ | Type: Category 1 Spill; Other (specify below) caused 500 gallons of sewage to spill from Force Main at Chelsea Hills Dr to Drainage Conveyance System that discharges to surface water, Paved Surface, Street/Curb and Gutter (2 3) | Violation | None | SSO | Benicia City CS | 300333 | 2022-0103-DWQ | N | 
                
                  
      			   
                    
                      
                      
                        | 1128933 | 05/27/2024 | CAT2 | Chlorine, Total Residual 1-Hour Average (Mean) limit is 0.38 mg/L and reported value was 0.43 mg/L at EFF-001. | Violation | N | eSMR | Benicia WWTP | 435889 | R2-2019-0034 | Y | 
                
                  
      			   
                    
                      
                      
                        | 1128932 | 05/27/2024 | CAT2 | Chlorine, Total Residual 1-Hour Average (Mean) limit is 0.38 mg/L and reported value was 0.95 mg/L at EFF-001. | Violation | N | eSMR | Benicia WWTP | 435889 | R2-2019-0034 | Y | 
                
                  
      			   
                    
                      
                      
                        | 1111375 | 11/05/2022 | Deficient Monitoring | On November 07, 2022, at approximately 0900 City Water Quality Supervisor was notified by City Laboratory Technician that a pH grab sample was not collected and analyzed for the week of October 30, 2022-November 5, 2022 as required in Benicia's NPDES Permit (No. R2-2019-0034). | Violation | N | eSMR | Benicia WWTP | 435889 | R2-2019-0034 | N | 
                
                
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