| 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. |
| 1146206 |
06/02/2025 |
Groundwater |
Detections of volatile organic compounds and semi-volatile organic compounds in groundwater during the first semi-annual 2025 monitoring event. Violation of Board Order 6-01-045, WDR section I.B.16. |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1145965 |
07/30/2025 |
Deficient Reporting |
Failed to report the types of waste deposited into the waste management unit. Violation of Board Order 6-93-102, MRP section V.B.l. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1145964 |
07/30/2025 |
Deficient Reporting |
Failed to report the type of groundwater pump used for purging, the location of pump placement inside the well, and the method of disposing of the purge water. Violation of Board Order 6-93-102, MRP section V.B.e. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1145961 |
07/30/2025 |
Deficient Reporting |
Failed to report the velocity of groundwater flow. Violation of Board Order 6-93-102, MRP section V.B.d. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1145912 |
04/01/2025 |
Groundwater |
Exceeded background concentrations and the California Division of Drinking Water maximum contaminant level for various volatile organic compounds, total dissolved solids, nitrate (as nitrogen), and chloride. Violation of Board Order 6-93-102, WDR section II.A.2.b, and II.B.14. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1145911 |
04/01/2025 |
Deficient Monitoring |
Failed to sample eight wells for volatile organic compounds during the first semi-annual monitoring event. Violation of Board Order 6-93-102, MRP section III. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1145908 |
07/30/2025 |
Deficient Reporting |
Failed to report the percentage of total volume of landfill used. Violation of Board Order 6-93-102, MRP section I.3. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
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