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Place ID 881731 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
4 881731 Westside Subway Purple Line Extension Section 2 Crosspassage Dewatering sites Service/Commercial Site, NEC 2040 East Century Park Los Angeles, CA, 90067-3208 Los Angeles
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
633747 Person Dan Louis Contact 06/13/2022
633160 Organization Los Angeles County Metropolitan Transportation Authority Owner County Agency 06/13/2022
575413 Organization Tutor Perini O&G Operator Privately-Owned Business 06/13/2022
294938 Person Tom Kefalas Contact 06/13/2022
Total Related Parties: 4
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
448115 Enrollee - NPDES 4 NPDNONMUNIPRCS R4-2018-0125 448115 07/15/2022 11/13/2023 Historical N
Total Reg Measures: 1
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1141679 02/14/2025 LREP submitted 3/6/25, due 2/14/25, 18 days late Violation B Report
1141677 08/14/2024 LREP submitted 3/4/25, due 8/14/24, 174 days late Violation B Report
1140626 03/31/2024 Deficient Reporting Selenium not reported monthly in Jan. and Feb. for M-004, M-005, M-008, M-009, and M-011. Violation B Report
1141678 03/14/2024 LREP submitted 3/6/24, due 11/14/2024, 110 days late Violation B Report
1140615 02/29/2024 Deficient Reporting MBA not reported monthly in Feb. for M-008 Violation B Report
1140635 02/29/2024 Deficient Reporting Temperature and selenium not reported monthly in February for M-014. Violation B Report
1140637 02/29/2024 Order Conditions Flow Daily Maximum limit is 576000 GPD and reported value was 889747 GPD. Violation B Report
1126883 02/15/2024 LREP 4Q23 report due 2/14/24, submitted 2/16/24, 2 days late Violation B Report
1140640 02/07/2024 CAT2 Arsenic, Total Daily Maximum limit is 10.0 ug/L and reported value was 13 ug/L. Violation B Report
1140616 01/31/2024 Deficient Reporting Tetrachloroethylene not reported monthly in Jan. for M-008 Violation B Report
1140634 01/31/2024 Deficient Reporting Turbidity and selenium not reported monthly in January for M-014. Violation B Report
1140628 01/25/2024 Deficient Reporting pH, temperature, TSS, Turbidity, BOD, O and G, Settleable Solids, Sulfides, phenol, residual chlorine, MBA, selenium, copper, lead, and E. Coli not reported for M-013. Violation B Report
1140638 01/09/2024 CAT2 Arsenic, Total Daily Maximum limit is 10 ug/L and reported value was 11 ug/L. Violation B Report
1140639 01/09/2024 CAT2 Arsenic, Total Daily Maximum limit is 10.0 ug/L and reported value was 12 ug/L. Violation B Report
1127001 12/11/2023 CAT2 Arsenic, Total Daily Maximum limit is 10 ug/L and reported value was 20 ug/L. Violation B Report
1127000 12/11/2023 CAT2 Arsenic, Total Daily Maximum limit is 10 ug/L and reported value was 23 ug/L. Violation B Report
1126999 12/04/2023 CAT2 Arsenic, Total Daily Maximum limit is 10 ug/L and reported value was 22 ug/L. Violation B Report
1126893 11/17/2023 LREP 3Q23 report due 11/14/23, submitted 11/17/23, 3 days late Violation B Report
1126998 10/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value was 98 mg/L. Violation B Report
1126995 10/31/2023 CAT2 Selenium, Total Monthly Average limit is 4.0 ug/L and reported value was 4.7 ug/L. Violation B Report
1126997 10/12/2023 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 75 mg/L and reported value was 98 mg/L. Violation B Report
1126912 09/30/2023 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 6.2 ug/L. Violation B Report
1126913 09/05/2023 CAT2 Tetrachloroethene Daily Maximum limit is 5 ug/L and reported value was 5.43 ug/L. Violation B Report
1126900 08/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value was 144 mg/L. Violation B Report
1126902 08/31/2023 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 7 ug/L. Violation B Report
1126533 08/15/2023 LREP 2Q23 report due 8/14/23, submitted 8/16/2023, 2 days late Violation B Report
1126898 08/01/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.01 SU. Violation B Report
1126899 08/01/2023 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 75 mg/L and reported value was 144 mg/L. Violation B Report
1126896 07/31/2023 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 6.8 ug/L. Violation B Report
1126894 07/05/2023 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 75 mg/L and reported value was 79.2 mg/L. Violation B Report
1126834 06/30/2023 Deficient Reporting Copper, lead and E. Coli not analyzed in the 2Q2023 for EFF-003, EFF-004, and EFF-006. Violation B Report
1126882 06/30/2023 Deficient Reporting perjury statement and LRP signature not included Violation B Report
1126534 06/30/2023 Deficient Reporting perjury statement not included in quarterly report. Violation B Report
1126840 06/30/2023 OEV Turbidity Monthly Average limit is 50 NTU and reported value was 380.0 NTU. Violation B Report
1126838 06/30/2023 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value was 127 mg/L. Violation B Report
1126841 06/30/2023 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 4.5 ug/L. Violation B Report
1126836 06/30/2023 CAT2 Selenium, Total Monthly Average limit is 4.0 ug/L and reported value was 6.5 ug/L. Violation B Report
1126382 06/26/2023 LREP 1Q23 report due 5/15/23, rec'd 6/26/23, 42 days late Violation B Report
1126839 06/12/2023 OEV Turbidity Daily Maximum limit is 150 NTU and reported value was 380 NTU. Violation B Report
1126837 06/12/2023 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 75 mg/L and reported value was 127 mg/L. Violation B Report
1126891 05/31/2023 OEV Turbidity Monthly Average (Mean) limit is 50 NTU and reported value was 330 NTU. Violation B Report
1126892 05/31/2023 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value was 506 mg/L. Violation B Report
1126835 05/31/2023 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 6.2 ug/L. Violation B Report
1126881 05/02/2023 OEV Turbidity Daily Maximum limit is 150 NTU and reported value was 330 NTU. Violation B Report
1126880 05/02/2023 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 75 mg/L and reported value was 506 mg/L. Violation B Report
1126890 05/02/2023 CAT2 Arsenic, Total Daily Maximum limit is 10 ug/L and reported value was 13 ug/L. Violation B Report
1126842 04/30/2023 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 4.6 ug/L. Violation B Report
1126833 04/30/2023 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 6.2 ug/L. Violation B Report
1126472 03/31/2023 Deficient Reporting BOD, Settleable Solids, Sulfides, and MBAs not analyzed by the lab within the appropriate holding time on 1/6/23 for M-001, 1/4/23 for M-003, and 1/6/23 M-004. Violation B Report
1126473 03/31/2023 Deficient Reporting E. Coli was not analyzed quarterly for M-001 Violation B Report
1126470 03/31/2023 Deficient Reporting Perjury statement not included in quarterly report. Violation B Report
1126469 03/31/2023 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 5.2 ug/L. Violation B Report
1126471 03/17/2023 Deficient Reporting ph, temperature, and residual chlorine not analyzed with a 15 min holding time on 3/17/23 for M-003, 3/17/23 for M-004., on 3/17/23 for M-005 Violation B Report
1126383 02/14/2023 LREP 4Q22 report due 02/14/23, submitted 2/17/23, 3 days late Violation B Report
1126396 12/31/2022 Deficient Reporting Perjury statement and signature by LRP not included in quarterly report. Violation B Report
1126395 12/31/2022 CAT1 Settleable Solids Monthly Average limit is 0.1 ml/L and reported value was 0.4 ml/L. Violation B Report
1126394 12/31/2022 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 50 mg/L and reported value was 241 mg/L. Violation B Report
1128601 12/31/2022 CAT2 Selenium, Total Recoverable Monthly Average limit is 4 ml/L and reported value was 6.63 ml/L. Violation B Report
1126397 12/15/2022 Deficient Reporting ph, temperature, and residual chlorine not sampled with a 15 min holding time on 10/11/22 and 12/15/22 for Discharge point 004., on 12/21/22 for Discharge Point 002/003. Violation B Report
1126897 12/15/2022 CAT2 Selenium, Total Daily Maximum limit is 8 ug/L and reported value was 9.88 ug/L. Violation B Report
1126393 12/08/2022 CAT1 Settleable Solids Daily Maximum limit is 0.3 ml/L and reported value was 0.4 ml/L. Violation B Report
1126392 12/08/2022 CAT1 Total Suspended Solids (TSS) Daily Maximum limit is 75 mg/L and reported value was 241 mg/L. Violation B Report
1126391 12/08/2022 CAT2 Selenium, Total Daily Maximum limit is 8.0 ug/L and reported value was 10.9 ug/L. Violation B Report
1126390 11/30/2022 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 5.16 ug/L. Violation B Report
1126388 11/30/2022 CAT2 Selenium, Total Monthly Average limit is 4.0 ug/L and reported value was 14.1 ug/L. Violation B Report
1126389 11/30/2022 CAT2 Selenium, Total Monthly Average limit is 4.0 ug/L and reported value was 6.12 ug/L. Violation B Report
1126387 11/28/2022 CAT2 Chlorine, Total Residual Daily Maximum limit is 0.1 mg/L and reported value was 0.3 mg/L. Violation B Report
1126386 11/28/2022 CAT2 Selenium, Total Daily Maximum limit is 8 ug/L and reported value was 14.1 ug/L. Violation B Report
1126366 11/14/2022 LREP 3Q22 report due 11/14/22, submitted 11/19/22, 5 days late Violation B Report
1126385 10/31/2022 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 4.9 ug/L. Violation B Report
1126398 10/11/2022 Deficient Reporting O&G, Settleable Solids, and MBA not analyzed monthly for Discharge Point 004 Violation B Report
1126384 10/11/2022 CAT2 Tetrachloroethene Daily Maximum limit is 5 ug/L and reported value was 5.58 ug/L. Violation B Report
1126378 09/30/2022 Deficient Reporting Perjury statement and signature by LRP not included in quarterly report. Violation B Report
1126381 09/30/2022 Deficient Reporting TSS, turbidity, BOD, O&G, Settleable Solids, Sulfides, Phenols, MBA, zinc not analyzed monthly for Discharge Point 004 Violation B Report
1126379 09/30/2022 Deficient Reporting ph, temperature, and residual chlorine not sampled with a 15 min holding time on 7/27/22, 8/15/22 and 8/12/22 for Discharge point 001, 8/12/22,8/19/22 and 8/26/22 for Discharge Point 002/003, 9/21/22 for Discharge Point 004. Residual chlorine not sampled with a 15 min holding time on 9/2/22 on Discharge Point 001. Violation B Report
1126375 09/30/2022 CAT2 Selenium, Total Daily Maximum limit is 8 ug/L and reported value was 10 ug/L. Violation B Report
1126376 09/30/2022 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 10 ug/L. Violation B Report
1126377 09/30/2022 CAT2 Selenium, Total Monthly Average limit is 4 ug/L and reported value was 4.9 ug/L. Violation B Report
1126380 08/31/2022 Deficient Reporting Tetrachloroethylene was not analyzed weekly for the 1st month of discharge at Discharge point 002/003 Violation B Report
1126895 08/31/2022 CAT2 Selenium, Total Monthly Average limit is 4.0 ug/L and reported value was 7.58 ug/L. Violation B Report
1126374 08/19/2022 CAT2 Selenium, Total Daily Maximum limit is 8 ug/L and reported value was 10.7 ug/L. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 81 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
CAT1 = Category 1 Pollutant (Effluent Violation for Group 1 Pollutant) CAT2 = Category 2 Pollutant (Effluent Violation for Group 2 Pollutant)
Deficient Reporting = Deficient Reporting LREP = Late Report
Order Conditions = Order Conditions OEV = Other Effluent Violation
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
460618 Expedited Payment Letter R4-2025-0145 04/03/2025 Active
457383 Admin Civil Liability R4-2024-0195 09/25/2024 Historical
Total Enf Actions: 2
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
59042597 B Type compliance inspection Namiraj Jain 02/06/2025 N 0 N/A
55876515 B Type compliance inspection Barbara Guia 05/30/2024 N 0 Download
Total Inspections: 2 Last Inspection: 02/06/2025
  
The current report was generated with data as of: 05/15/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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