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. |
1125200 |
09/30/2022 |
CAT2 |
Mercury, Total Monthly Average limit is 0.051 ug/L and reported value was 0.088 ug/L. |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
Y |
1125221 |
12/31/2023 |
Deficient Reporting |
Chloropyrifos, diazinon, toxicity, chlordane, 4,4-DDE, 4,4-DDD, 4,4-DDT, dieldrin, PCBs, toxaphene, mercury, copper, nickel, E. Coli not sampled quarterly |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1125211 |
10/31/2022 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value was 180 mg/L. |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
Y |
1125215 |
06/30/2023 |
CAT1 |
Total Suspended Solids (TSS) Monthly Average limit is 50.0 mg/L and reported value was 70.0 mg/L. |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
Y |
1106812 |
04/30/2021 |
CAT2 |
Nickel, Total Recoverable Monthly Average (Mean) limit is 6.7 ug/L and reported value was 9.37 ug/L at M-002. |
Violation |
N |
Report |
Tsumas Creek Improvement Project (J Street Storm Drain) |
387811 |
R4-2018-0125 |
Y |
1125182 |
02/14/2024 |
Late Report |
Late reporting: due 2/14/2024, 28 days late |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1075707 |
06/09/2020 |
Late Report |
1Q20 Report received 25 days past due |
Violation |
N |
Report |
Arroyo Simi South Bank Restoration |
435145 |
R4-2018-0125 |
N |
1104799 |
03/08/2022 |
Late Report |
4Q20 report submitted 387 days late |
Violation |
N |
Report |
Arroyo Simi South Bank Restoration |
435145 |
R4-2018-0125 |
N |
1125201 |
09/26/2022 |
Deficient Reporting |
ph, temperature, residual chlorine not sampled within 15 minutes holding time |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1125210 |
12/31/2022 |
Order Conditions |
Flow exceeded 1,000,000 gals/day on 10/12/22, 10/13/22, 11/27/22, 11/28/22, 11/29/22, 11/30/22, 12/1/22, 12/3/22, 12/4/22, 12/5/22, 12/6/22, 12/16/22, and 12/17/22 |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1102246 |
11/10/2020 |
Late Report |
Report was submitted 88 days late. |
Violation |
N |
Report |
Tsumas Creek Improvement Project (J Street Storm Drain) |
387811 |
R4-2018-0125 |
N |
1125220 |
06/30/2023 |
Deficient Reporting |
Chronic toxicity not sampled quarterly |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1125213 |
01/31/2023 |
Deficient Reporting |
pH, temperature, TSS, Turbidity, BOD, Oand G, Settleable soilds, sulfides, phenols, residual chlorine, MBAs, boron, and nitrogen not sampled monthly. |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1125181 |
08/14/2023 |
Late Report |
Late reporting: due 8/14/23, 1 day late |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1125212 |
03/31/2023 |
Deficient Reporting |
Chlorpyrifos, diazinon, chronic toxicity, chlordane, 4,4-DDD, 4,4-DDE,4,4-DDT, dieldrin, PCBs, Toxaphene, mercury, copper, nickel, E. Coli, not sampled quarterly |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1125203 |
12/19/2022 |
Deficient Reporting |
Residual chlorine not sampled within 15 minutes holding time |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1075709 |
06/09/2020 |
Late Report |
1Q20 Report received 25 days past due |
Violation |
N |
Report |
Arroyo Conejo N. Fork of Upstream of Keats Ave. Project #86172 |
419528 |
R4-2018-0125 |
N |
1125214 |
06/12/2023 |
Deficient Reporting |
residual chlorine not sampled within 15 minutes holding time |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1102132 |
03/11/2022 |
Late Report |
Report was submitted 25 days late. |
Violation |
N |
Report |
Tsumas Creek Improvement Project (J Street Storm Drain) |
387811 |
R4-2018-0125 |
N |
1101896 |
03/09/2022 |
Late Report |
Report was submitted 22 days late. |
Violation |
N |
Report |
Ferro Ditch Improvements Project |
435260 |
R4-2018-0125 |
N |
1104797 |
11/10/2020 |
Late Report |
2Q20 report submitted 88 days late |
Violation |
N |
Report |
Arroyo Simi South Bank Restoration |
435145 |
R4-2018-0125 |
N |
1125202 |
09/30/2022 |
Deficient Reporting |
E. Coli not sampled quarterly |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1077964 |
07/15/2020 |
Late Report |
1Q20 late report (07/15/20): due 05/15/2020 > 60 days late |
Violation |
N |
Report |
Arundell Barranca Hydraulic Deficiency Improvement |
421501 |
R4-2013-0095 |
N |
1104800 |
03/08/2022 |
Late Report |
1Q21 report submitted 297 days late |
Violation |
N |
Report |
Arroyo Simi South Bank Restoration |
435145 |
R4-2018-0125 |
N |
1124955 |
11/14/2022 |
Late Report |
Late Reporting: due 11/14/22, 1 day late |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1104507 |
05/17/2021 |
Late Report |
Submitted 2 days late. |
Violation |
N |
Report |
Tsumas Creek Improvement Project (J Street Storm Drain) |
387811 |
R4-2018-0125 |
N |
1124973 |
11/14/2023 |
Late Report |
Late reporting: due 11/14/23, 7 days late |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
N |
1106811 |
04/30/2021 |
Deficient Monitoring |
The following parameters were not sampled nor analyzed during this reporting period: TSS, Turbidity, BOD5 20C, Oil and Grease, Settleable Solids, Sulfides, Phenols, Residual Chlorine, and MBAS. In addition, Acute Toxicity was measured during baseline sampling and not during discharge. Hence, Acute Toxicity also falls under deficient monitoring. |
Violation |
N |
Report |
Tsumas Creek Improvement Project (J Street Storm Drain) |
387811 |
R4-2018-0125 |
N |
1077963 |
06/15/2020 |
Late Report |
1Q20 late report (06/15/20): due 05/15/20 >30 days late |
Violation |
N |
Report |
Arundell Barranca Hydraulic Deficiency Improvement |
421501 |
R4-2013-0095 |
N |
1106215 |
05/31/2022 |
Late Report |
Report was submitted 16 days late. |
Violation |
N |
Report |
Tsumas Creek Improvement Project (J Street Storm Drain) |
387811 |
R4-2018-0125 |
N |
1104508 |
05/17/2021 |
Late Report |
Submitted 2 days late. |
Violation |
N |
Report |
Ferro Ditch Improvements Project |
435260 |
R4-2018-0125 |
N |
1125204 |
10/18/2022 |
CAT1 |
Total Suspended Solids (TSS) Daily Maximum limit is 75.0 mg/L and reported value was 180.0 mg/L. |
Violation |
N |
Report |
Arroyo Simi Stabilizer Replacement Downstream of Leta Yancy |
447820 |
R4-2018-0125 |
Y |
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