| 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. |
| 1149791 |
06/30/2025 |
Deficient Reporting |
Failed to report the results of statistical analysis, the volume of landfill use |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149790 |
02/26/2025 |
Deficient Reporting |
Failed to include all required information in the 2024 annual summary report. Vi |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149789 |
01/15/2025 |
Deficient Reporting |
Failed to report the results of statistical analysis, the volume of landfill use |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149788 |
01/15/2025 |
Late Report |
Failed to submit the 2024 second semi-annual report by January 15, 2025. Violati |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149787 |
12/31/2024 |
Deficient Monitoring |
Failed to sample all wells included in the groundwater monitoring network during |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149781 |
06/30/2024 |
Deficient Monitoring |
Failed to sample all wells included in the groundwater monitoring network. Viola |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149780 |
07/15/2024 |
Deficient Reporting |
Failed to discuss detections of Bis(2-ethylhexyl)phthalate and cis-1,2-dichloroe |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149775 |
06/11/2024 |
Groundwater |
Plastics and chlorinated solvents detected in groundwater during the 2024 first |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149773 |
07/15/2024 |
Late Report |
Failed to submit the 2024 first semi-annual monitoring report by July 15, 2024. |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149702 |
04/15/2024 |
Deficient Reporting |
Failed to include all required information in the 2023 annual summary report. Vi |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149701 |
01/15/2024 |
Deficient Reporting |
Failed to provide the results of data analysis, disposal area information, and v |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149698 |
12/31/2023 |
Deficient Monitoring |
Failed to sample all wells for all monitoring parameters and constituents of con |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149691 |
01/15/2023 |
Deficient Reporting |
Failed to provide the volume of landfill used during the 2023 first semi-annual |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149673 |
04/15/2023 |
Deficient Reporting |
Failed to include all required information in the 2022 annual summary report. Vi |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149671 |
01/15/2023 |
Deficient Reporting |
Failed to provide the results of statistical analysis, to discuss the violations |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149667 |
12/31/2022 |
Deficient Monitoring |
Failed to sample groundwater monitoring well MW4 for all monitoring parameters d |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149665 |
10/27/2022 |
Groundwater |
Semi-volatile organic compound detected in groundwater during the 2022 second se |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1149630 |
04/15/2022 |
Deficient Reporting |
Failed to include all required information in the 2021 annual summary report. Vi |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149629 |
12/31/2021 |
Deficient Monitoring |
Failed to sample all detection monitoring wells during the 2021 second semi-annu |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149628 |
06/30/2021 |
Deficient Monitoring |
Failed to sample all detection monitoring wells during the 2021 first semi-annua |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149624 |
06/30/2021 |
Deficient Monitoring |
Failed to sample all detection monitoring wells during the 2020 second semi-annu |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149623 |
07/15/2021 |
Late Report |
Failed to submit the 2021 first semi-annual report by July 15, 2021. Violation o |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149621 |
04/15/2021 |
Deficient Reporting |
Failed to include all required information in the 2020 annual summary report. Vi |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1149620 |
12/31/2020 |
Deficient Monitoring |
Failed to sample all detection monitoring wells during the 2020 second semi-annu |
Violation |
None |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 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 |
| 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 |
| 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 |
| 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 |
| 1149558 |
02/15/2023 |
Deficient Reporting |
Failed to submit monitoring reports for the annual reporting period. Violation o |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
N |
| 1149556 |
02/15/2022 |
Deficient Reporting |
Failed to submit monitoring reports for the annual reporting period. Violation o |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
N |
| 1149555 |
02/15/2021 |
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 |
| 1149550 |
06/30/2024 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1149549 |
12/31/2022 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1149548 |
06/30/2022 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1149547 |
12/31/2021 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1149546 |
06/30/2021 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1149545 |
12/31/2020 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
None |
Report |
Ravendale SWDS |
145103 |
89-082 |
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 |
| 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 |
| 1149537 |
06/30/2024 |
Deficient Monitoring |
Failed to maintain an adequate detection monitoring program during the 2024 firs |
Violation |
None |
Report |
Herlong Solid WDS |
144828 |
86-032 |
Y |
| 1149535 |
12/31/2022 |
Deficient Monitoring |
Failing to maintain an adequate groundwater detection monitoring network. Violat |
Violation |
None |
Report |
Herlong Solid WDS |
144828 |
86-032 |
N |
| 1149534 |
04/18/2022 |
Groundwater |
Toluene detected in monitoring well MW2R during the 2022 first semi-annual monit |
Violation |
N |
Report |
Herlong Solid WDS |
144828 |
86-032 |
N |
| 1149533 |
06/30/2022 |
Deficient Monitoring |
Failing to maintain an adequate groundwater detection monitoring network. Violat |
Violation |
None |
Report |
Herlong Solid WDS |
144828 |
86-032 |
N |
| 1149532 |
12/31/2021 |
Deficient Monitoring |
Failing to maintain an adequate groundwater detection monitoring network. Violat |
Violation |
None |
Report |
Herlong Solid WDS |
144828 |
86-032 |
N |
| 1149527 |
06/30/2021 |
Deficient Monitoring |
Failing to maintain an adequate groundwater detection monitoring network. Violat |
Violation |
None |
Report |
Herlong Solid WDS |
144828 |
86-032 |
N |
| 1149525 |
12/31/2020 |
Deficient Monitoring |
Failing to maintain an adequate groundwater detection monitoring network. Violat |
Violation |
None |
Report |
Herlong Solid WDS |
144828 |
86-032 |
N |
| 1149523 |
12/31/2020 |
Deficient Monitoring |
Failed to sample groundwater for volatile organic compounds during the 2020 firs |
Violation |
None |
Report |
Herlong Solid WDS |
144828 |
86-032 |
N |
| 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 |
| 1138583 |
08/10/2023 |
Order Conditions |
Solid waste observed in ponded water inside the stormwater retention basin. Viol |
Violation |
None |
Inspection |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1138581 |
10/22/2024 |
Order Conditions |
Threatened pollution to groundwater and surface water from discharges of leachat |
Violation |
None |
Inspection |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1138570 |
10/22/2024 |
Order Conditions |
Discharge of solid waste outside the landfill boundary. Violation of Board Order |
Violation |
None |
Inspection |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1132656 |
07/30/2024 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1132655 |
04/30/2021 |
Deficient Monitoring |
Failed to conduct groundwater monitoring, including the five-year COC monitoring |
Violation |
N |
Report |
Ravendale SWDS |
145103 |
89-082 |
N |
| 1132398 |
04/30/2023 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
N |
| 1132397 |
10/31/2022 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
N |
| 1132396 |
04/30/2022 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
N |
| 1132393 |
04/30/2022 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
N |
| 1132392 |
10/31/2021 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
N |
| 1132391 |
04/30/2021 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
N |
| 1132390 |
04/30/2021 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
N |
| 1132366 |
07/30/2024 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
Y |
| 1129087 |
12/31/2023 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1129086 |
06/30/2023 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1129085 |
12/31/2023 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Ravendale SWDS |
145103 |
89-082 |
Y |
| 1129084 |
06/30/2023 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
Y |
| 1129083 |
12/31/2023 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
Y |
| 1129082 |
12/31/2023 |
Deficient Monitoring |
Failed to conduct groundwater monitoring and visible inspections of the landfill |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
Y |
| 1129054 |
12/31/2023 |
Deficient Monitoring |
Failed to maintain an adequate detection monitoring program during the 2023 seco |
Violation |
N |
Report |
Herlong Solid WDS |
144828 |
86-032 |
Y |
| 1129052 |
06/30/2023 |
Deficient Monitoring |
Failed to maintain a detection monitoring program during the 2023 first semi-ann |
Violation |
N |
Report |
Herlong Solid WDS |
144828 |
86-032 |
Y |
| 1126084 |
05/18/2023 |
Deficient Monitoring |
Failed to sample all groundwater monitoring wells for all monitoring parameters |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1126052 |
04/15/2023 |
Late Report |
Failed to submit the 2022 annual summary groundwater monitoring report by April |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1126051 |
01/15/2022 |
Late Report |
Failed to submit the 2021 second semi-annual groundwater monitoring report by Ja |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1126041 |
04/15/2024 |
Late Report |
Failed to submit the 2023 annual groundwater monitoring report by April 15, 2024 |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1126038 |
07/15/2023 |
Late Report |
Failed to submit the 2023 first semi-annual groundwater monitoring report by Jul |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
N |
| 1124829 |
01/15/2024 |
Late Report |
Failed to submit the 2023 second semi-annual groundwater monitoring report by Ja |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1116837 |
01/15/2023 |
Late Report |
Failed to submit the 2022 second semi-annual monitoring report by January 15, 20 |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
| 1096113 |
04/30/2021 |
Deficient Monitoring |
Failed to sample the groundwater for all constituents of concern listed. Violate |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
Y |
| 1096112 |
04/30/2021 |
Late Report |
Failed to submit the Five-Year COC Monitoring Report. Violates Board Order 6-93- |
Violation |
N |
Report |
Madeline SWDS |
145102 |
89-081 |
Y |
| 1089800 |
04/15/2021 |
Late Report |
Failed to submit the 2020 annual summary groundwater monitoring report by April |
Violation |
N |
Report |
Bass Hill Sanitary Landfill (Lassen County Class III Landfill) |
148374 |
01-045 |
Y |
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