| 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. |
| 1143739 |
04/12/2025 |
CAT1 |
Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 45.3 mg/L at M-001C. |
Violation |
N |
eSMR |
IRWD Los Alisos WRP |
446048 |
R9-2022-0006 |
N |
| 1143738 |
04/30/2025 |
CAT1 |
Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 25 mg/L and reported value was 31.5 mg/L at M-001C. |
Violation |
N |
eSMR |
IRWD Los Alisos WRP |
446048 |
R9-2022-0006 |
N |
| 1140645 |
01/31/2025 |
Deficient Monitoring |
The R9-2022-0006 permit requires a monthly Oil and Grease grab sample from the LAWRP SOCWA Effluent (M-001C) monitoring location. LAWRP effluent switched from Region 8 recycled water Effluent to Region 9 SOCWA effluent on January 8th, 2025. When this transition occurred, there was a human error with scheduling these samples onto an internal sampling calendar, and the monthly sample was missed. |
Violation |
N |
eSMR |
IRWD Los Alisos WRP |
446048 |
R9-2022-0006 |
N |
| 1140644 |
01/18/2025 |
Deficient Monitoring |
M-001G(SCWD-ACWRF) missed a TSS value due to contract labs', SOCWA Lab, oversight. |
Violation |
N |
eSMR |
SCWD Aliso Creek Water Harvesting Project |
446048 |
R9-2022-0006 |
N |
| 1138536 |
11/30/2024 |
Deficient Monitoring |
A monthly oil and grease sample was missed at M-001E for the reporting period. This was due to an error in sample preparation and an accidental oversight in the master schedule which cause the sample to be missed. All other samples for the month were collected as planned. Since no operational changes occurred during this period, no differences in results are expected compared to previous months |
Violation |
N |
eSMR |
Irvine Desalter Project Potable WT System |
446048 |
R9-2022-0006 |
N |
| 1128046 |
07/14/2023 |
Late Report |
The report was submitted on July 14, 2023, 13 days after the due date of July 1, 2023. |
Violation |
N |
Report |
El Toro WD WRP |
446048 |
R9-2022-0006 |
N |
| 1120812 |
08/05/2023 |
Deficient Monitoring |
The 24-hour composite samples for Weekly Turbidity and TDS samples at M-00E(Irvine Desalter Project Potable WT System) were not monitored for the week of 7/30 to 8/5. The composite sample was scheduled for 7/31, but due to the composite sampler malfunctioning, a grab sample was collected and analyzed in lieu of a 24-hr composite. Due to lack of communication, the sampling schedule was not adjusted to recollect the weekly Turbidity and TDS 24-hour composite samples. |
Violation |
N |
eSMR |
Irvine Desalter Project Potable WT System |
446048 |
R9-2022-0006 |
N |
| 1116220 |
03/18/2023 |
Deficient Monitoring |
24-hour composite samples for Weekly Turbidity and TDS were not monitored for the week ending on 3/18/23 at M-001F. The system was taken offline at 9 am on 3/15/23 due to Navy Supply issues and went back online on 3/16/23. Grab samples were taken and tested on 3/16/23 for these parameters. Sampling schedule was not adjusted to collect and test for Turbidity and TDS from a 24-hour composite sampling later in the week. |
Violation |
N |
eSMR |
Irvine Desalter Project Shallow GW Unit |
446048 |
R9-2022-0006 |
N |
| 1110875 |
10/31/2022 |
Deficient Monitoring |
IRWD Regulatory Compliance Monitoring staff did not collect the Oil & Grease sample for M-001E, PTP Brine location for the month of October. The South Orange County Wastewater Authority (SOCWA) Region 9 NPDES Permit requires a monthly sample for Oil and Grease at this sample location and the monitoring was scheduled to occur on October 6, 2022. The Regulatory Compliance Monitoring group was short staffed that week and were unable to collect the monthly sample and needed to reschedule for a later date. There was a gap in communication and follow up to ensure that the sample collection was rescheduled, resulting in the missed sample. |
Violation |
N |
eSMR |
Irvine Desalter Project Potable WT System |
446048 |
R9-2022-0006 |
N |
| 1110874 |
10/21/2022 |
Deficient Monitoring |
IRWD Regulatory Compliance Monitoring staff did not collect the pH sample for M-001F, SGU Brine on October 21,2022. The South Orange County Wastewater Authority (SOCWA) Region 9 NPDES Permit requires a daily sample for pH at this sample location. The Regulatory Compliance Monitoring group was short staffed that week and missed the pH sample. The missing sample result was not identified until after the sampling window and could not be collected. |
Violation |
N |
eSMR |
Irvine Desalter Project Shallow GW Unit |
446048 |
R9-2022-0006 |
N |
| 1110873 |
10/31/2022 |
Deficient Monitoring |
IRWD Regulatory Compliance Monitoring staff did not collect the Oil & Grease sample for M-001F, SGU Brine location for the month of October. The South Orange County Wastewater Authority (SOCWA) Region 9 NPDES Permit requires a monthly sample for Oil and Grease at this sample location and the monitoring was scheduled to occur on October 6, 2022. The Regulatory Compliance Monitoring group was short staffed that week and were unable to collect the monthly sample and needed to reschedule for a later date. There was a gap in communication and follow up to ensure that the sample collection was rescheduled, resulting in the missed sample. |
Violation |
N |
eSMR |
Irvine Desalter Project Shallow GW Unit |
446048 |
R9-2022-0006 |
N |
| 1108870 |
08/06/2022 |
Deficient Monitoring |
There was an issue with the composite sampler on 8/5/22 causing it not to collect without a chance to collect an additional daily sample since cBODs are collected Tue-Sat. We don't analyze for Eff composite cBOD on Sunday and Monday. 8-1-22 landed on a Monday which we normally don't test for cBOD. |
Violation |
N |
eSMR |
El Toro WD WRP |
446048 |
R9-2022-0006 |
N |
| 1106517 |
06/30/2022 |
Deficient Monitoring |
TSS and pH were not monitored daily in accordance with the new permit(5 days a week) but instead monitored weekly until 6-20-22. |
Violation |
N |
eSMR |
SCWD Aliso Creek Water Harvesting Project |
446048 |
R9-2022-0006 |
N |
| 1106414 |
05/04/2022 |
Deficient Monitoring |
cBOD and TSS were not monitored daily on 5/4/2022 when there was flow. IRWD Regulatory Compliance Monitoring staff missed the May 4th composite sample of the secondary effluent to South Orange County Wastewater Authority (SOCWA) Region 9 Aliso Creek Ocean Outfall (ACOO). The composite sample was missed due to new staff and a misunderstanding during this atypical operational event. |
Violation |
N |
eSMR |
IRWD Los Alisos WRP |
446048 |
R9-2022-0006 |
N |
| 1106413 |
05/18/2022 |
CAT1 |
Settleable Solids Instantaneous Maximum limit is 3.0 ml/L and reported value was 7.0 ml/L at M-001D. |
Violation |
N |
eSMR |
El Toro WD WRP |
446048 |
R9-2022-0006 |
Y |
| 1106412 |
05/31/2022 |
Deficient Monitoring |
TSS and pH were not monitored daily in accordance with the new permit but instead monitored monthly. Turbidity, Settleble Solids and TDS were not monitored weekly in accordance with the new permit. Turbidity and Settleble Solids were monitored monthly. |
Violation |
N |
eSMR |
SCWD Aliso Creek Water Harvesting Project |
446048 |
R9-2022-0006 |
N |
| 1103359 |
01/02/2022 |
Late Report |
Annual SMR ( SURF_WATER ) (California Environmental Data Exchange Network Data Submittal Certification) report for 2022 (2579701) was due on 01-JAN-22 |
Violation |
None |
Report |
El Toro WD WRP |
446048 |
R9-2022-0006 |
N |
| 1099737 |
10/29/2021 |
Deficient Reporting |
Please note that there was a power outage on October 28, 2021 and October 29, 2021 which resulted in no recording of flow for M-001G. Monitoring Location M-001B is also missing a weekly turbidity monitoring result. |
Violation |
N |
Report |
El Toro WD WRP |
384629 |
R9-2012-0013 |
N |
| 1094331 |
07/31/2021 |
Deficient Monitoring |
Due to the combined effluent sampler at M-001 offline, staff at each treatment facility monitors the effluent sample for temperature and dissolved oxygen on a weekly basis. Unfortunately, due to new staffing, the dissolved oxygen and temperature measurements were missed. |
Violation |
N |
eSMR |
SOCWA - Regional TP |
384629 |
R9-2012-0013 |
N |
| 1093270 |
06/30/2021 |
Deficient Monitoring |
While re-reviewing the submitted data this morning for the ACOO, we discovered that there was a missed sample weekly event at M-001B for dissolved oxygen. All other entities were sampling for D.O. during that week so please advise if we will need to withdraw the submitted CIWQS report, and add a deficiency for the weekly monitoring. As a reminder, we are sampling at each plant because the monitoring station at the outfall has been down. We have the monitoring station scheduled in our capital program and should have a unified sampling location soon. - Amber Baylor |
Violation |
N |
Report |
El Toro WD WRP |
384629 |
R9-2012-0013 |
N |
| 1093192 |
05/05/2021 |
Unauthorized Discharge |
On May 5, 2025, the sewage sludge force main between South Orange County Wastewater Authority (SOCWA) Coastal Treatment Plan (CTP) and the Regional Treatment Plant (RTP) experienced a pipeline failure resulting in a spill of non-chlorinated sewage sludge near the intersection of Alicia Parkway and Awma Road in the City of Laguna Niguel, CA. The spill was contained on the same day, resulting in a total spill volume of approximately 436 gallons of sewage sludge released to Sulphur Creek. |
Violation |
N |
Report |
El Toro WD WRP |
384629 |
R9-2012-0013 |
N |
| 1093162 |
06/10/2021 |
Unauthorized Discharge |
On June 10, 2021, the sewage sludge force main between the South Orange County Wastewater Authority¿s (SOCWA¿s) Coastal Treatment Plan (CTP) and the Regional Treatment Plant experienced a pipeline failure resulting in a spill of non-chlorinated sewage sludge within the Aliso and Woods Canyons Wilderness Park (AWCWP) (Figure 1). The spill was situated along a dirt maintenance road off Alicia Parkway on the east side of Aliso Creek; the road is intended to provide the dual purpose of providing access to existing sewer and wastewater infrastructure as well as providing trail use to those who recreate in the AWCWP (Figure 2). The pipeline leak was repaired, and the spill was contained on the same day. A total spill volume of approximately 1,920 gallons of sewage sludge was released, cleaned up, and disposed of properly offsite. |
Violation |
N |
Report |
El Toro WD WRP |
384629 |
R9-2012-0013 |
N |
| 1079964 |
08/16/2020 |
Sanitary Sewer Overflow/Spill/ |
On August 16, 2020, 2,000 gallons of secondary-treated chlorinated wastewater overflowed from a line break and flowed into Sulphur Creek, tributary to Aliso Creek. |
Violation |
N |
Report |
El Toro WD WRP |
384629 |
R9-2012-0013 |
N |
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