| 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. |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 1146360 |
11/05/2024 |
Groundwater |
Uranium detected above the MCL in 13 wells, perchlorate detected above the MCL in 3 wells, and perchlorate detected above background in 11 wells at the Facility. Violation of Board Order 6-93-102, WDR section II.B.14. |
Violation |
None |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1145948 |
09/11/2024 |
Deficient Monitoring |
Failed to sample several groundwater wells for volatile organic compounds during the second semi-annual 2024 monitoring event. Violation of Board Order 6-93-102, MRP section III. |
Violation |
None |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1133019 |
08/22/2024 |
Late Report |
Q1 & 2 2024 submitted late on August 22, 2024. Q1 report submitted 129 days late and Q2 report submitted 38 days late. |
Violation |
N |
Report |
Sierra Army Depot Sewage Treatment Plant |
148155 |
01-025 |
Y |
| 1145947 |
03/27/2024 |
Deficient Monitoring |
Failed to sample several groundwater wells for volatile organic compounds during the first semi-annual 2024 monitoring event. Violation of Board Order 6-93-102, MRP section III. |
Violation |
None |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1126629 |
03/25/2024 |
Late Report |
4th Quarter 2023 SMR submitted on March 25, 2024 with a due date of January 15, 2024. |
Violation |
N |
Report |
Sierra Army Depot Sewage Treatment Plant |
148155 |
01-025 |
Y |
| 1122297 |
09/22/2023 |
Deficient Monitoring |
MRP No. 01-25 I.B. Grab samples of effluent shall be collected from the outflow of the Cantonment Lagoons prior to its discharge to the constructed wetlands on a quarterly basis, during the months of March, June, September, and December. Missing September samples. |
Violation |
N |
Report |
Sierra Army Depot Sewage Treatment Plant |
148155 |
01-025 |
Y |
| 1122295 |
09/22/2023 |
Deficient Monitoring |
MRP No.01-25 I.A. The Discharger shall monitor and record, for each day, the total influent flow to the Cantonment Lagoons and to the Warehouse Lagoons. A monthly total shall be computed at the end of each month. Missing. |
Violation |
N |
Report |
Sierra Army Depot Sewage Treatment Plant |
148155 |
01-025 |
Y |
| 1128024 |
09/21/2023 |
Groundwater |
Exceeded concentration limits (background) for VOCs, nitrate (as N) and total dissolved solids in several wells during the 2023 second semi-annual groundwater monitoring event. Violation of Board Order 6-93-102 II.A.2.b. |
Violation |
None |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1128025 |
09/21/2023 |
Deficient Monitoring |
Failed to sample several groundwater wells for volatile organic compounds and failed to obtain field parameters for one well during the 2023 second semi-annual groundwater monitoring event. Violation of Board Order 6-93-102, WDR section III.B.1 |
Violation |
None |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1119312 |
08/10/2023 |
Order Conditions |
Unsuccessful design and construction of the landfill to maintain a stormwater runon control system that prevents flow onto the active portion of the landfill during peak discharge from a 25-year storm. Violation of Board Order 6-93-102, WDR section I.C.g |
Violation |
None |
Inspection |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1124880 |
07/15/2023 |
Late Report |
Failed to submit the 2023 first semi-annual monitoring report by July 15, 2023. Violation of Board Order 6-93-102, MRP section V.B. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1127737 |
04/15/2023 |
Late Report |
Failed to submit the 2023 Annual Groundwater Monitoring Report by April 15, 2023. Violation of Board Order 6-93-102, MRP section V.B.2., and MRP section III.B. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1125999 |
03/17/2023 |
Groundwater |
Exceeded concentration limits (background) for VOCs and total dissolved solids in several wells during the 2023 first semi-annual groundwater monitoring event. Violation of Board Order 6-93-102 II.A.2.b. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1145942 |
03/15/2023 |
Deficient Monitoring |
Failed to sample several groundwater wells for volatile organic compounds during the first semi-annual 2023 monitoring event. Violation of Board Order 6-93-102, MRP section III. |
Violation |
None |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1127734 |
01/15/2023 |
Late Report |
Failed to submit the 2022 2nd semi-annual groundwater monitoring report by January 15, 2023. Violation of Board Order 6-93-102, MRP section V.B.1, and MRP section III.B. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1145941 |
09/21/2022 |
Deficient Monitoring |
Failed to sample several groundwater wells for volatile organic compounds during the second semi-annual 2022 monitoring event. Violation of Board Order 6-93-102, MRP section III. |
Violation |
None |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1127738 |
07/15/2022 |
Late Report |
Failed to submit the 2022 1st semi-annual groundwater monitoring report by July 15, 2022. Violation of Board Order 6-93-102, MRP section IV.B.1., and MRP section III.B. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
N |
| 1145939 |
03/17/2022 |
Deficient Monitoring |
Failed to sample several groundwater wells for volatile organic compounds during the first semi-annual 2022 monitoring event. Violation of Board Order 6-93-102, MRP section III. |
Violation |
None |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
| 1146046 |
03/31/2021 |
Groundwater |
Exceeded the MCL for several metals, inorganics, and volatile organic compounds and exceeded background for several other VOCs in groundwater during the first semi-annual 2021 groundwater monitoring event. Violation of Board Order 6-93-102, WDR section WDR section II.A.2.b, and II.B.14. |
Violation |
N |
Report |
Sierra Army Depot SWDS |
145262 |
93-102 |
Y |
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