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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
516017 Santa Clarita Valley SD of Los Angeles Cnty Special District Po Box 4998 Whittier, CA 90607-4998 None None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
879431 Soledad Canyon Trunk Sewer Section 4 Project Los Angeles 4 Wastewater Treatment Facility Owner and Operator 02/16/2022 None
270849 Valencia WRP Los Angeles 4 Wastewater Treatment Facility Owner 06/05/2009 None
260494 Saugus Water Reclamation Plant Los Angeles 4 Wastewater Treatment Facility Owner 06/04/2009 None
Total Related Places: 3
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
559683 Monisha Brown Person Data Submitter 11/08/2016 None None
314909 Nicholas Smal Person Data Submitter 12/06/2017 None None
550383 Christina Pottios Person Data Submitter 07/15/2015 None None
639812 Vincenzo Ciancia Person Data Submitter 06/15/2023 None None
550106 Joshua Westfall Person Data Submitter 07/29/2016 None None
579020 Jessica Lau Person Data Submitter 06/12/2018 None None
522299 Jodie Lanza Person Data Submitter 05/05/2010 None None
626009 James Grunwald Person Data Submitter 07/06/2021 None None
314899 Christian Alarcon Person Legally Responsible Official 02/16/2022 None None
521997 Craig Cornelius Person Data Submitter 04/07/2010 None None
308868 Thomas Weiland Person Owner Contact 08/09/2009 None None
640467 Marisol Cira Person Data Submitter 07/10/2023 None None
555508 Donald Ton Person Data Submitter 04/21/2016 None None
642265 Michael Flores Person Data Submitter 10/31/2023 None None
595992 Katie Marjanovic Person Legally Responsible Official 12/02/2024 None None
627289 Dan Vukovic Person Data Submitter 05/10/2022 None None
562444 John Shay Person Data Submitter 12/27/2022 None None
592486 Suzanne Brown Person Data Submitter 04/18/2019 None None
595992 Katie Marjanovic Person Data Submitter 10/05/2020 None None
558391 Nicholas Wiehardt Person Data Submitter 08/12/2016 None None
601637 Stefan Szalkowski Person Data Submitter 09/03/2019 None None
621839 Rita Chang Person Data Submitter 02/05/2021 None None
630002 Preeti Ghuman Person Data Submitter 01/11/2022 None None
598636 Qin Liu Person Data Submitter 06/14/2019 None None
546435 Lysa Gaboudian Person Data Submitter 02/01/2017 None None
546435 Lysa Gaboudian Person Legally Responsible Official 04/05/2021 None None
609761 Holly Jones Person Data Submitter 06/02/2020 None None
521731 Peter Navas Person Data Submitter 05/05/2010 None None
556260 Naoko Munakata Person Legally Responsible Official 06/23/2016 None None
646863 Lindsay O'Donahue Person Data Submitter 12/12/2024 None None
467638 Kristy Monji Person Data Submitter 07/14/2011 None None
626562 Thomas Parker Person Data Submitter 10/04/2022 None None
550152 Misty Brown Person Data Submitter 05/18/2020 None None
598636 Qin Liu Person Data Submitter 06/10/2019 None None
636288 Syljohn Estil Person Data Submitter 11/22/2022 None None
521733 Ken Hoffman Person Data Submitter 05/05/2010 None None
532401 Martha Tremblay Person Legally Responsible Official 05/21/2019 None None
522295 Shannon Bishop Person Data Submitter 05/05/2010 None None
580129 Mandy Ng Person Data Submitter 08/29/2018 None None
595992 Katie Marjanovic Person Data Submitter 09/11/2020 None None
546435 Lysa Gaboudian Person Legally Responsible Official 04/21/2016 None None
521719 Abder Yacoby Person Data Submitter 05/05/2010 None None
522296 Francisco Guerrero Person Data Submitter 05/05/2010 None None
522293 Esther Cantu Person Data Submitter 05/05/2010 None None
627289 Dan Vukovic Person Data Submitter 07/08/2022 None None
521628 Mike Sullivan Person Legally Responsible Official 03/16/2010 None None
649604 Nan Natanom-Harrold Person Data Submitter 03/10/2025 None None
522294 Karen Elliott Person Data Submitter 05/05/2010 None None
569529 Ryan Honda Person Data Submitter 11/22/2017 None None
626784 Sarah Miles Person Data Submitter 08/11/2021 None None
648692 Margott Hinostroza Person Data Submitter 01/15/2025 None None
528546 Russell Yoshida Person Data Submitter 09/16/2011 None None
610975 Elizabeth Roswell Person Data Submitter 07/14/2020 None None
303050 Ann Heil Person Data Submitter 09/26/2012 07/01/2021 None
400137 Susan Bremser Person Data Submitter 01/10/2012 12/04/2020 None
562298 Steven Ono Person Data Submitter 01/31/2017 05/10/2018 None
562298 Steven Ono Person Data Submitter 02/01/2017 05/10/2018 None
526480 George Gallis Person Data Submitter 04/05/2011 12/08/2017 None
522298 Brittany Liu Person Data Submitter 05/05/2010 05/19/2017 None
522297 Andrew Hall Person Legally Responsible Official 05/28/2015 04/06/2017 None
522290 Kurt Rinaldi Person Data Submitter 05/05/2010 08/12/2015 None
522297 Andrew Hall Person Data Submitter 05/05/2010 05/28/2015 None
521717 Gary Salva Person Data Submitter 05/05/2010 02/08/2013 None
308868 Thomas Weiland Person Legally Responsible Official 03/16/2010 02/08/2013 None
400137 Susan Bremser Person Data Submitter 05/05/2010 10/31/2012 None
Total Related Parties: 65
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
440300 Co-Permitee SB 4A190107023 Active SLIC 2020-0015-DWQ 07/09/2020 None Discharger 09/18/2020 None N
440299 Co-Permitee SB 4A190107021 Active SLIC 2020-0015-DWQ 07/09/2020 None Discharger 09/18/2020 None N
369513 NPDES Permit 4 4A190107023 Historical NPDMUNILRG R4-2009-0074 07/24/2009 05/02/2015 Discharger 08/04/2009 None Y
389837 13267 Letter (Non-Enforcement) 4 4A190107021 Historical NPDMUNILRG R4-2009-0075 01/30/2013 01/31/2013 Discharger 04/11/2013 None N
395514 NPDES Permit 4 4A190107023 Historical NPDMUNILRG R4-2015-0071 05/03/2015 06/30/2022 Discharger 03/28/2014 None N
369505 NPDES Permit 4 4A190107021 Historical NPDMUNILRG R4-2009-0075 07/24/2009 05/02/2015 Discharger 06/04/2009 None N
389840 13267 Letter (Non-Enforcement) 4 4A190107023 Historical NPDMUNILRG R4-2009-0074 01/30/2013 01/31/2013 Discharger 04/11/2013 None N
381323 Letter 4 4A190107021 Historical NPDMUNILRG R4-2009-0075 09/08/2011 09/09/2011 Discharger 06/04/2009 None N
435564 NPDES Permit 4 4A190107023 Active NPDMUNILRG R4-2022-0174 07/01/2022 None Discharger 11/18/2019 None N
442544 NPDES Permit 4 4A190107021 Active NPDMUNILRG R4-2022-0175 07/01/2022 None Discharger 03/10/2021 None N
396158 NPDES Permit 4 4A190107021 Historical NPDMUNILRG R4-2015-0072 05/03/2015 06/30/2022 Discharger 05/09/2014 None N
192886 Enrollee - NPDES 4 4A196000102 Active NPDNONMUNIPRCS R4-2018-0125 07/16/1993 None Discharger 06/05/2009 None N
Total Regulatory Measures: 12
  
  
  
  
Expand/Contract Violations
Violations within the past five years
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.
1085761 11/30/2020 Surface Water The narrative receiving water objective was exceeded at receiving water station RSW-002D (R-B) for the month of November 2020. Immediate notification of this exceedance was provided by phone to Jeong-Hee Lim of the Regional Board on November 24, 2020, at 12:12 PM, and written notification was provided on November 25, 2020. Compliance was based on two valid Ceriodaphnia dubia chronic toxicity bioassays conducted in November using grab samples from receiving water station RSW-002D (R-B). The first toxicity test was initiated on November 5 using samples collected on November 4, 6, and 10 This test failed the Test of Significant Toxicity (TST) with 40.8% reproduction effect in the undiluted sample. The second test was initiated on November 17 using samples collected on November 16, 18, and 20. This test also failed the TST for the reproduction endpoint with 46.3% effect observed in the undiluted sample. As a result, the monthly median narrative objective was exceeded. RSW-002D (R-B) is currently the subject of a Toxicity Reduction Evaluation (TRE), which was triggered on February 27, 2020 in response to a single accelerated chronic toxicity test failing the TST. Steps 1 and 2 of the Detailed TRE Workplan were completed in April, and Step 3 (Phase I Toxicity Identification Evaluation, TIE, testing) has continued through November; however, no causative agents have been identified yet. Because a separate TRE was being conducted for the Saugus WRP final effluent and it is the only known point source, the Sanitation District combined the two TRE Workplans to determine the cause of toxicity at both locations. The Sanitation Districts will continue to follow the submitted TRE Workplans and provide timely updates to the Regional Board. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1091994 04/30/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 104 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1113286 11/01/2022 Deficient Monitoring Per Section 4.1 of the MRP, continuous monitoring of total chlorine residual shall serve as a trigger for increased grab sampling for total chlorine residual excursions of up to 0.3 mg/L lasting more than 15 minutes. On November 1, the UV system was shutdown and all effluent flow was routed to the chlorine contact tanks (CCTs) for disinfection. During the transition, the metered final effluent total chlorine residual was between 0.1 and 0.3 mg/L for approximately 21 minutes which triggered grab sampling. A sample was collected; however, analysis of the grab sample did not follow analytical method protocol and, as a result, the non-detect result was not reportable. Despite this, sodium bisulfite, the dechlorination chemical, was dosed more than the stoichiometric amount needed to fully dechlorinate the effluent; therefore, the effluent was fully dechlorinated. To prevent this issue from re-occurring, the Sanitation District plans to implement procedures to ensure sample collection and analysis follow analytical method protocol. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1116656 02/28/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 113 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1120980 07/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 104 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1120981 07/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 108 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1088876 01/31/2021 Surface Water The narrative receiving water objective was exceeded at receiving water station RSW-002D (R-B) for the month of January 2021. Regional Board staff was immediately notified by telephone at 7:08 a.m. on January 27, 2021, followed by written notification on January 28, 2021. Compliance was based on two valid Ceriodaphnia dubia chronic toxicity bioassays conducted in January using grab samples from receiving water station RSW-002D (R-B). The first toxicity test was initiated on January 5 using samples collected on January 4, 6, and 8. This test failed the Test of Significant Toxicity (TST) with 57.4% reproduction effect in the undiluted sample. The second test was initiated on January 19 using samples collected on January 18, 19, and 21. This test failed the TST for the reproduction endpoint with 72.5% effect observed in the undiluted sample. As a result, the monthly median narrative objective was exceeded. RSW-002D (R-B) is currently the subject of a Toxicity Reduction Evaluation (TRE), which was triggered on February 27, 2020 in response to a single accelerated chronic toxicity test failing the TST. Steps 1 and 2 of the Detailed TRE Workplan were completed in April 2020, and Step 3 (Phase I Toxicity Identification Evaluation, TIE, testing) has continued through December; however, no causative agents have been identified yet. Because a separate TRE was being conducted for the Saugus WRP final effluent and it is the only known point source, the Sanitation District combined the two TRE Workplans to determine the cause of toxicity at both locations. The Sanitation Districts will continue to follow the submitted TRE Workplans and provide timely updates to the Regional Board. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1096514 08/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 124 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1097948 09/30/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 117 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1099035 10/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 119 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1103053 01/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 121 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1104101 02/28/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 121 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1105418 03/01/2022 Deficient Monitoring Per Section VIII.A.1¬ of the MRP, receiving water samples shall be analyzed monthly for MBAS. Analytical results of samples collected from receiving water stations RSW-001U (R-C), RSW-002D (R-D) and RSW-003D (R-E) on March 1 are invalid due to data integrity issues. Make-up samples will be collected as soon as possible. Corrective actions to prevent this from recurring include: 1) purchase and implementation of a spectrophotometer that has a reading log and can directly and electronically transfer results to the data management system to assure analytical results are accurately recorded, 2) routine review of analysts¿ adherence to laboratory Standard Operating Procedures (SOPs), and 3) additional staff assigned to oversee laboratory activities. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1107046 05/31/2022 Deficient Monitoring Per Section VIII.A.1¬ of the MRP, receiving water samples shall be analyzed monthly for MBAS. Analytical results of samples collected from receiving water stations RSW-001U (R-C), RSW-002D (R-D) and RSW-003D (R-E) on May 3 are invalid due to data integrity issues. Make-up samples were collected in June and results will be reported in the June report. Corrective actions to prevent this from recurring include: 1) purchase and implementation of a spectrophotometer that has a reading log and can directly and electronically transfer results to the data management system to assure analytical results are accurately recorded, 2) routine review of analysts¿ adherence to laboratory Standard Operating Procedures (SOPs), and 3) additional staff assigned to oversee laboratory activities. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1108191 06/30/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 121 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1112165 10/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 111 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1113284 11/30/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 111 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1115365 01/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 119 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1119178 05/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 110 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1123233 10/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 103 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1124221 11/30/2023 CAT1 Chloride Other limit is 98.3 mg/L and reported value was 104 mg/L at EFF-001. *** MMP Exempt Reason:Per CWC section 13385(j)(1)(D) a mandatory minimum penalty shall not be assessed during the 30-day adjustment period in which the Operations Plan is in effect for the startup of the AWTF. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1085762 11/30/2020 CTOX Chronic Toxicity-C.dubia-Reproduction Monthly Median limit is 0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1085763 11/30/2020 CAT1 Chloride Other limit is 100 mg/L and reported value was 110 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1087636 12/31/2020 Surface Water The narrative receiving water objective was exceeded at receiving water station RSW-002D (R-B) for the month of December 2020. Regional Board staff was immediately notified by telephone at 1:15 PM on January 8, 2021, followed by written notification on January 8, 2021. Compliance was based on three valid Ceriodaphnia dubia chronic toxicity bioassays conducted in December using grab samples from receiving water station RSW-002D (R-B). The first toxicity test was initiated on December 9 using samples collected on December 8, 9, and 11. This test failed the Test of Significant Toxicity (TST) with 23.2% reproduction effect in the undiluted sample. The second test was initiated on December 22 using samples collected on December 21, 22, and 24. This test passed the TST for the reproduction endpoint with 20.2% effect observed in the undiluted sample. A third test was initiated on January 1, 2021 using samples collected on December 31 and January 1 and 5. This test failed the TST for the reproduction endpoint with 44.6% effect in undiluted effluent. As a result, the monthly median narrative objective was exceeded. RSW-002D (R-B) is currently the subject of a Toxicity Reduction Evaluation (TRE), which was triggered on February 27, 2020 in response to a single accelerated chronic toxicity test failing the TST. Steps 1 and 2 of the Detailed TRE Workplan were completed in April 2020, and Step 3 (Phase I Toxicity Identification Evaluation, TIE, testing) has continued through December; however, no causative agents have been identified yet. Because a separate TRE was being conducted for the Saugus WRP final effluent and it is the only known point source, the Sanitation District combined the two TRE Workplans to determine the cause of toxicity at both locations. The Sanitation Districts will continue to follow the submitted TRE Workplans and provide timely updates to the Regional Board. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1089903 02/28/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 103 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1091106 03/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 104 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1102075 12/31/2021 Deficient Monitoring Per Section IV.A of the MRP, effluent samples shall be analyzed monthly for dissolved oxygen. An effluent sample was not collected in December because of an error using the software managing the Sanitation District's monitoring program, the Laboratory Information Management System (LIMS). An update to LIMS software modified the user interface and, as a result, an analyst overlooked the sample schedule for effluent dissolved oxygen. To prevent reoccurrence, analysts adjusted how they generate sample schedules so future monitoring will not be missed. A make-up sample was collected on February 26. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1115387 01/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 113 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1125031 12/31/2023 CAT1 Chloride Other limit is 102.0 mg/L and reported value was 105.0 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1137438 09/30/2024 CTOX Chronic Toxicity-C.dubia-Reproduction Monthly Median limit is 0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1085760 11/30/2020 CAT1 Chloride Other limit is 100 mg/L and reported value was 101 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1088872 01/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 115 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1093958 06/30/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 126 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1093960 06/30/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 113 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1095217 07/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 115 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1099058 10/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 128 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1102074 12/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 124 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1105431 03/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 121 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1107040 05/04/2022 OEV Total Coliform Single Sample Maximum limit is 240 CFU/100 mL and reported value was 241 CFU/100 mL at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1109284 07/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 116 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1109980 08/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 118 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1111300 09/30/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 112 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1119196 05/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 114 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1122610 09/30/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 106 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1087638 12/31/2020 CAT1 Chloride Other limit is 100 mg/L and reported value was 102 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1088878 01/18/2021 CTOX Chronic Toxicity-C.dubia-Reproduction Maximum Daily (MDEL) limit is 0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1089902 02/28/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 115 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1091107 03/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 117 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1093147 05/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 110 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1097944 09/30/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 126 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1100570 11/30/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 126 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1106155 04/30/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 118 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1106178 04/30/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 119 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1106179 04/30/2022 Deficient Monitoring Per Section IV.A. of the MRP, effluent samples shall be analyzed quarterly for oil and grease. An effluent sample was not collected or analyzed for oil and grease during the second quarter because this sample event was not transitioned to the new UV effluent monitoring location. On March 1 the Valencia WRP began discharging UV effluent directly to the river. As a result, the Sanitation District transitioned the EFF-001 monitoring location to collect UV effluent samples; however, Sanitation District staff missed transitioning the oil and grease sample. A make-up sample will be collected as soon as possible. To prevent reoccurrence, the sample location for effluent oil and grease samples was relocated to collect samples downstream of the UV disinfection process. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1109968 08/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 114 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1111298 09/30/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 117 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1112167 10/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 119 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1116685 02/28/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 124 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1118423 04/30/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 121 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1120029 06/30/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 110 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1130583 05/31/2024 OEV Turbidity Daily Average (Mean) limit is 2 NTU and reported value was 3 NTU at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1143333 02/28/2025 Deficient Monitoring Per Section 4.1 of the MRP, effluent samples shall be analyzed monthly for dissolved oxygen (DO). An effluent sample was not collected in February because of a laboratory analyst error. A make-up sample was collected on March 3, and the DO result will be included in the March report. To prevent this issue from reoccurring, analysts were reminded to carefully check that all required monitoring samples are collected within the required timeframes. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1148311 07/29/2025 Deficient Monitoring Per Sections 3.1 and 4.1 of the MRP, influent and effluent samples shall be analyzed weekly for biochemical oxygen demand (BOD, 5-day at 20° Celsius). The influent and effluent samples collected on July 29 were invalidated due to a laboratory analyst error affecting the analytical QA/QC samples. Therefore, there are no BOD results for influent and effluent the week of July 29. Make-up samples were collected on August 6 and will be reported in the August monthly NPDES monitoring report. To prevent this issue from reoccurring, laboratory staff were reminded to review and follow all method standard operating procedures (SOPs). Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1088875 01/31/2021 CTOX Chronic Toxicity-C.dubia-Reproduction Monthly Median limit is 0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1095316 07/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 123 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1104099 02/28/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 121 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1105417 03/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 121 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1113287 11/30/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 117 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1114567 12/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 114 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1118427 04/30/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 113 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1120028 06/30/2023 CTOX Chronic Toxicity-C.dubia-Reproduction Monthly Median limit is 0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1121830 08/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 103 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1143334 02/19/2025 Deficient Monitoring Per Section 4.1 of the MRP, continuous monitoring of total residual chlorine shall serve as a trigger for increased grab sampling for total residual chlorine excursions of up to 0.3 mg/L lasting more than 15 minutes or excursions between 0.1 to 0.3 mg/L lasting longer than 15 minutes. At 11:50 a.m. on February 19, the Valencia WRP temporarily lost power while testing the emergency generators. The emergency generators turned on; however, there was a slight delay, resulting in temporary power loss at the Valencia WRP. As a result, the UV disinfection system was shut down, and all effluent flow was routed to the chlorine contact tanks for disinfection. During this transition, the metered final effluent total residual chlorine exceeded 0.3 mg/L for approximately 8 minutes and remained between 0.1 and 0.3 mg/L for approximately 16 minutes, triggering collection of an additional grab sample. At 12:25 p.m., a grab sample was collected, and chlorine was not detected; however, collection and analysis did not follow analytical method protocols. As a result, the non-detect result was not reportable. Despite this, sodium bisulfite, the dechlorination chemical, was dosed more than the stoichiometric amount needed to fully dechlorinate the effluent; therefore, the effluent was fully dechlorinated. To prevent reoccurrence, the Sanitation District will implement procedures to ensure all additional grab samples collected for total residual chlorine analysis follow analytical method protocols. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1084064 10/31/2020 CAT1 Chloride Other limit is 100 mg/L and reported value was 113 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1087639 12/31/2020 CAT1 Chloride Other limit is 100 mg/L and reported value was 110 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1102076 12/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 119 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1103054 01/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 123 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1107041 05/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 116 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1108187 06/30/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 116 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1109285 07/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 119 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1112166 10/18/2022 Deficient Monitoring Per Section 4.1 of the MRP, effluent samples shall be analyzed quarterly for total phosphorus. The result from a sample collected on October 18 was invalid due to analyzing the sample outside of holding time. This issue was not discovered until after the end of the fourth quarter so make-up samples could not be collected during the monitoring period. The Sanitation District is investigating this issue and plans to implement changes to prevent this issue from re-occurring. A make-up sample is scheduled in the first quarter of 2023. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1114569 12/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 118 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1117792 03/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 124 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1117793 03/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 112 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1135990 08/31/2024 CTOX Chronic Toxicity-C.dubia-Reproduction Monthly Median limit is 0 % effect and reported value was 1 % effect at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1087637 12/31/2020 CTOX Chronic Toxicity-C.dubia-Reproduction Monthly Median limit is 0 Pass/Fail (Pass = 0, Fail = 1) and reported value was 1 Pass/Fail (Pass = 0, Fail = 1) at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1088877 01/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 105 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1091995 04/30/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 120 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1093150 05/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 125 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1096517 08/31/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 116 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1100571 11/30/2021 CAT1 Chloride Other limit is 100 mg/L and reported value was 119 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1107047 05/31/2022 CAT1 Chloride Other limit is 100 mg/L and reported value was 121 mg/L at EFF-001. Violation N eSMR Valencia WRP 395514 R4-2015-0071 N
1120027 06/30/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 107 mg/L at EFF-001. Violation N eSMR Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1121831 08/14/2023 Deficient Monitoring Per Sections 3.1 and 4.1 of the MRP, influent and effluent samples, respectively, shall be analyzed weekly for biochemical oxygen demand (BOD5). Results from the influent and effluent samples collected on August 14 were invalid because the BOD5 result was not read within the method specified incubation timeframe. Make-up samples were collected on September 14. To prevent reoccurrence, lab analysts will ensure BOD5 results are read within the required incubation timeframe. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1121832 08/31/2023 CAT1 Chloride Other limit is 100 mg/L and reported value was 108 mg/L at EFF-001. Violation N eSMR Valencia WRP 435564 R4-2022-0174 N
1106105 05/01/2022 Late Report Annual SMR ( PROGRPT ) (Chloride TMDL Task 3 Progress Report) report for 2022 (2612858) was due on 30-APR-22 Violation None Report Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1109617 10/16/2022 Late Report Monthly SMR ( MONNPDES ) report for July 2022 (2593407) was due on 15-OCT-22 Violation None Report Saugus Water Reclamation Plant 396158 R4-2015-0072 N
1115303 05/01/2021 Late Report Annual SMR ( PRETRPT ) report for 2020 (2709314) was due on 30-APR-21 Violation None Report Saugus Water Reclamation Plant 442544 R4-2022-0175 N
1115304 05/01/2022 Late Report Annual SMR ( PRETRPT ) report for 2021 (2709315) was due on 30-APR-22 Violation None Report Saugus Water Reclamation Plant 442544 R4-2022-0175 N
Report currently showing last five years of violations. Click here to return to viewing one year of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 99
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
429357 Time Schedule Order R4-2019-0055 TSO R4-2019-0055 for Santa Clarita Valley SD of Los Angeles Cnty NPDMUNILRG 05/09/2019 Historical
386391 Notice of Violation None NOV 05/27/2011 for Santa Clarita Valley Sanitation District of Los Angeles County NPDMUNILRG 05/27/2011 Historical
429363 Time Schedule Order R4-2019-0056 TSO R4-2019-0056 for Santa Clarita Valley SD of Los Angeles Cnty NPDMUNILRG 05/09/2019 Historical
388286 Admin Civil Liability R4-2012-0160 ACL R4-2012-0160 for Santa Clarita Valley SD of Los Angeles Cnty NPDMUNILRG 06/28/2013 Historical
386392 Notice of Violation None NOV 05/27/2011 for Santa Clarita Valley Sanitation District of Los Angeles County NPDMUNILRG 05/27/2011 Historical
Total Enforcement Actions: 5
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
Total Regulatory Measures linked to Related Parties: 0
  
  
The current report was generated with data as of: 10/24/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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