| 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. |
| 1158001 |
07/22/2026 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Pipe Structural Problem/Failure - Controls caused 510 gallons of sewage to spill from Force Main at Sewer line on Basilone Rd. near SLS 51056 to Paved Surface,Drainage Conveyance System |
Violation |
None |
SSO |
USMC Base, Camp Pendleton CS |
300837 |
2022-0103-DWQ |
N |
| 1157203 |
06/07/2026 |
Order Conditions |
A spill was reported on 6/7/2026 at 13:45 at the AWT Brine Line ARV ROC #14. The spill occurred when a vehicle struck and sheared off the ARV pipe connection. The spill was contained by responders at 18:00 on 6/7/2026, as a temporary plug was installed in the broken pipe. The estimated spill volume of 1,200 gallons was calculated using the flow rate of 5 gpm and the duration of the spill (4 hrs, 15 mins). A potable water pipeline was also damaged during the accident, causing water to discharge from the system. The RO concentrate mixed with potable water which reached the storm drain system. The storm drain system leads to the Santa Margarita River. |
Violation |
N |
eSMR |
Advanced Water Treatment Plant at Haybarn Canyon |
422969 |
R9-2019-0167 |
N |
| 1157167 |
07/17/2026 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Fats, Oil and Grease (FOG),Debris-General caused 84 gallons of sewage to spill from Lateral Clean Out (Private) at Commissary Building 20850 Cleanout to Drainage Conveyance System,Paved Surface |
Violation |
None |
SSO |
USMC Base, Camp Pendleton CS |
300837 |
2022-0103-DWQ |
N |
| 1153669 |
03/17/2026 |
CAT2 |
Chlorine, Total Residual Instantaneous Maximum limit is 5.28 mg/L and reported value was 5.5 mg/L at EFF-001. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1153668 |
03/17/2026 |
CAT2 |
Chlorine, Total Residual Instantaneous Maximum limit is 159 lb/day and reported value was 192.1 lb/day at EFF-001. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1152940 |
02/17/2026 |
Surface Water |
Enterococcus result was 2000 MPN/100mL. This was one of 4 results >110 MPN/100mL resulting in more than 10% of monthly samples in exceedance. The exceedance was likely due to the sample being taken within 72 hours after precipitation was greater than 0.10 inch. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1152939 |
02/17/2026 |
Surface Water |
Enterococcus result was 121 MPN/100mL. This was one of 4 results >110 MPN/100mL resulting in more than 10% of monthly samples in exceedance. The exceedance was likely due to the sample being taken within 72 hours after precipitation was greater than 0.10 inch. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1152938 |
02/17/2026 |
Surface Water |
Enterococcus result was 594 MPN/100mL. This was one of 4 results >110 MPN/100mL resulting in more than 10% of monthly samples in exceedance. The exceedance was likely due to the sample being taken within 72 hours after precipitation was greater than 0.10 inch. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1152937 |
02/17/2026 |
Surface Water |
Fecal coliform result was 540 MPN/100mL. The exceedance was likely due to the sample being taken within 72 hours after precipitation was greater than 0.10 inch. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1152936 |
02/17/2026 |
Surface Water |
Fecal coliform result was 1100 MPN/100 mL. The exceedance was likely due to the sample being taken within 72 hours after precipitation was greater than 0.10 inch. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1152935 |
02/17/2026 |
Surface Water |
Fecal coliform result was 540 MPN/100mL. The exceedance was likely due to the sample being taken within 72 hours after precipitation was greater than 0.10 inch. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1152934 |
02/17/2026 |
Surface Water |
Enterococcus result was 295 MPN/100mL. This was one of 4 results >110 MPN/100mL resulting in more than 10% of monthly samples in exceedance. The exceedance was likely due to the sample being taken within 72 hours after precipitation was greater than 0.10 inch. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1151149 |
01/28/2026 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Debris-General,Fats, Oil and Grease (FOG) caused 15000 gallons of sewage to spill from Manhole at Manhole 02Y111 15 Area Housing to Unpaved Surface,Surface Water |
Violation |
None |
SSO |
USMC Base, Camp Pendleton CS |
300837 |
2022-0103-DWQ |
N |
| 1150880 |
01/28/2026 |
Deficient Reporting |
Inadequate Sewer System Management Plan (SSMP); failure to include all elements of Attachment D to the SSS WDRs that describe required SSMP elements. |
Violation |
N |
Report |
USMC Base, Camp Pendleton CS |
300837 |
2022-0103-DWQ |
Y |
| 1150500 |
01/06/2026 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Pipe Structural Problem/Failure - Installation caused 22950 gallons of sewage to spill from Force Main at 41300 Force Main on N. Stuart Mesa to Drainage Conveyance System that discharges to surface water |
Violation |
None |
SSO |
USMC Base, Camp Pendleton CS |
300837 |
2022-0103-DWQ |
N |
| 1150449 |
10/30/2025 |
Sanitary Sewer Overflow/Spill/ |
Type: Category 1 Spill; Pipe Structural Problem/Failure - Installation caused 21131 gallons of sewage to spill from Force Main at 170831 Force Main to Surface Water,Unpaved Surface |
Violation |
None |
SSO |
USMC Base, Camp Pendleton CS |
300837 |
2022-0103-DWQ |
N |
| 1150142 |
11/17/2025 |
OEV |
Fecal Coliform Single Sample Maximum limit is 400 MPN/100 mL and reported value was 690 MPN/100 mL at S3. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
| 1148860 |
09/21/2025 |
CAT1 |
Total Suspended Solids (TSS) Weekly Average (Mean) limit is 45 mg/L and reported value was 50 mg/L at EFF-001. |
Violation |
N |
eSMR |
USMC Camp Pendleton Southern Regional Tertiary Treatment Plant |
422969 |
R9-2019-0167 |
N |
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