| 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. |
| 1145912 |
04/01/2025 |
Groundwater |
Exceeded background concentrations and the California Division of Drinking Water |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1145965 |
07/30/2025 |
Deficient Reporting |
Failed to report the types of waste deposited into the waste management unit. Vi |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1149539 |
07/15/2025 |
Deficient Reporting |
Failed to submit the 2025 first semi-annual groundwater monitoring report. Viola |
Violation |
N |
Report |
Herlong Solid WDS |
144828 |
86-032 |
Y |
| 1146206 |
06/02/2025 |
Groundwater |
Detections of volatile organic compounds and semi-volatile organic compounds in |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1145908 |
07/30/2025 |
Deficient Reporting |
Failed to report the percentage of total volume of landfill used. Violation of B |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1149505 |
12/31/2024 |
Deficient Monitoring |
Failed to monitor groundwater during the 2024 monitoring period. Violation of Bo |
Violation |
N |
Report |
Cedarville East SWDS |
365971 |
R6T-2009-0020 |
N |
| 1145961 |
07/30/2025 |
Deficient Reporting |
Failed to report the velocity of groundwater flow. Violation of Board Order 6-93 |
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 |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1145911 |
04/01/2025 |
Deficient Monitoring |
Failed to sample eight wells for volatile organic compounds during the first sem |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1149590 |
12/31/2024 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Madeline SWDS |
145102 |
89-081 |
Y |
| 1149592 |
02/15/2025 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Madeline SWDS |
145102 |
89-081 |
Y |
| 1149559 |
02/15/2025 |
Deficient Reporting |
Failed to submit monitoring reports for the annual reporting period. Violation o |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
N |
| 1149552 |
06/30/2025 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1149538 |
12/31/2024 |
Deficient Monitoring |
Failed to maintain an adequate detection monitoring program during the 2024 seco |
Violation |
None |
Report |
Herlong Solid WDS |
144828 |
86-032 |
Y |
| 1149591 |
06/30/2025 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Madeline SWDS |
145102 |
89-081 |
Y |
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