General Information Party ID Party Name Party Classification Mailing Address Work Phone Email/Website 21523 United States Section of the International Boundary and Water Commission (USIBWC) Federal Agency 2225 Dairy Mart Road San Diego, CA 92173 619-662-7600 null Related Places Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date 257821 South Bay International WWTP San Diego 9 Wastewater Treatment Facility Owner 05/24/1996 null 232766 International WWTP Dewatering San Diego 9 Facility Owner 10/24/1994 null Related Parties Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification 649340 Roberto Marquez Person Data Submitter 02/21/2025 null null 648279 Emily Allen Person Legally Responsible Official 01/14/2025 null null 645239 Jacob Schmidt Person Data Submitter 05/15/2024 null null 635306 Thomas Stickles Person Data Submitter 09/20/2022 01/17/2024 null 634777 Dr. Maria-Elena Giner Person Legally Responsible Official 08/11/2022 null null 626128 Anderson Dill Person Data Submitter 07/12/2021 01/24/2024 null 624033 Morgan Rogers Person Legally Responsible Official 05/19/2021 null null 622867 Matthew Baker Person Data Submitter 03/19/2021 null null 621331 Xochitl Aranda Person Legally Responsible Official 01/19/2021 11/29/2024 null 610026 Mark Wippler Person Data Submitter 06/10/2020 null null 599126 Dawi Dakhil Person Legally Responsible Official 06/19/2019 12/31/2020 null 596079 Daniel Avila Person Employee 02/23/2021 null null 581270 Aloke Vaid Person Data Submitter 07/19/2018 07/17/2020 null 573583 Carlos Pena Person Legally Responsible Official 10/03/2018 12/31/2019 null 566396 Robert Nienhuis Person Data Submitter 08/03/2017 04/02/2019 null 537173 Richard Perna Person Data Submitter 03/01/2011 06/28/2021 null 526083 Steven Smullen Person Facility Contact 04/17/2009 02/13/2018 null 526083 Steven Smullen Person Legally Responsible Official 03/01/2011 02/07/2018 null 99262 Dion McMicheaux Person Enforcement Contact 10/21/2003 04/17/2009 null 99262 Dion McMicheaux Person Enforcement Contact 01/21/2003 04/17/2009 null 99262 Dion McMicheaux Person Facility Contact 05/24/1996 04/17/2009 null Regulatory Measures(non-enforcement) Reg. Measure ID Regulatory Measure Type Region WDID Title Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date 442331 NPDES Permit 9 9 000000732 NPDES R9-2021-0001 for USIBWC- South Bay International WWTP Active NPDMUNILRG R9-2021-0001 07/01/2021 null Discharger 02/23/2021 null 440367 Co-Permitee SB 9 000000732 13627 Order Co-Permitee under 2020-0015-DWQ for IBWC-US & Mexico Section Active SLIC 2020-0015-DWQ 07/09/2020 null Discharger 09/18/2020 null 397052 NPDES Permit 9 9 000000732 NPDES R9-2014-0009 US International Boundary and Water Commission Historical NPDMUNILRG R9-2014-0009 08/01/2014 06/30/2021 Discharger 06/26/2014 null 213887 Enrollee 9 9 000000661 Enrollee NPDES 96-041, IBWC, International WWTP, 9 000000661 Historical NPDNONMUNIPRCS 96-041 10/24/1994 06/12/2001 Discharger 09/01/2005 null 142852 NPDES Permit 9 9 000000732 NPDES 96-050 IBWC-US&Mexico Section IWTP Disch to Pacific Ocean via South Bay OO Historical NPDMUNILRG R9-1996-0050 11/14/1996 07/31/2014 Discharger 11/14/1996 null Violations within the past calendar year 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. 1141683 02/14/2025 CAT1 Settleable Solids Instantaneous Maximum limit is 3 ml/L and reported value was 5 ml/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 N 1139575 10/02/2024 Order Conditions The October 1, 2024, Flow Prevention/Response Plan fails to account for changes in canyon collector conditions that affect the potential for Spill Events. It does not include Spill Event response procedures for adequate monitoring to determine the nature and impact of Spill Events. Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1139574 01/01/2025 Order Conditions Unpermitted Discharge of a Pollutant to Waters of the U.S. in violation of Clean Water Act section 301, Water Code section 13376, Basin Plan Prohibitions and Order section 3.1. Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1138304 11/26/2024 Deficient Reporting The violation entry for the October 31, 2024, average monthly flow exceedance (CIWQS Violation ID 1136596) is expressed as percentage. The correct units are million gallons per day (MGD). Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1138303 11/26/2024 Deficient Reporting The violation entry for the October 26, 2024, total suspended solids (TSS) weekly average exceedance is duplicated (CIWQS Violation IDs 1136595 and 1136598). Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1138302 11/26/2024 Deficient Reporting The Monitoring Location, “Effluent,” is not specified in the October 19, 2024, carbonaceous biochemical oxygen demand (CBOD) weekly average exceedance violation entry (CIWQS Violation ID 1136582). Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1136598 10/26/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 17427 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136597 10/31/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C), Percent Removal Monthly Average limit is 85 % and reported value was 79.77 % at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136596 10/31/2024 OEV Flow Monthly Average limit is 25 % and reported value was 25.48 % at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136595 10/26/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 17427 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136594 10/19/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 18331 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136593 10/12/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 15743 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136592 10/26/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 81 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136591 10/19/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 85 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136590 10/12/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 74 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136589 10/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 6255 lb/day and reported value was 14425 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136588 10/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value was 68 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136587 10/31/2024 CAT1 Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and reported value was 69.71 % at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136586 10/26/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 8340 lb/day and reported value was 9369 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136585 10/19/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 8340 lb/day and reported value was 10646 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136584 10/12/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 8340 lb/day and reported value was 8880 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136583 10/26/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 43.71 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136582 10/19/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 49.57 mg/L. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136581 10/12/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 41.71 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136580 10/31/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 25 mg/L and reported value was 37.68 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1136579 10/31/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 5213 lb/day and reported value was 8020 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135463 09/23/2024 Order Conditions Section 6.3.2.3.3. of the Order. For Category 1 and 2 Spill Events, the Discharger shall submit a “preliminary report” within three business days of becoming aware of the Category 1 or 2 Spill Event by email to the San Diego Water Board (RB9Spill_Report@waterboards.ca.gov), County of San Diego Department of Environmental Health (DEH), local municipalities, and other interested stakeholders. Pursuant to Order section 6.3.2.3.1.1. a Category 1 Spill Event includes discharges that a) contain wastewater of any volume that reach surface water and/or reach a drainage channel tributary to a surface water or a municipal separate storm sewer system (MS4) and b) are not fully captured and either returned to the Facility or otherwise disposed of properly. Additionally, all Canyon Collector Transboundary Flow Events are considered Category 1 Spill Events. Violation null Report South Bay International WWTP 442331 R9-2021-0001 N 1135462 09/23/2024 Order Conditions Section 1.4 of Order Attachment D, Standard Provisions. Proper Operation and Maintenance: The Discharger shall at all times properly operate and maintain all facilities and systems of treatment and control (and related appurtenances) which are installed or used by the Discharger to achieve compliance with the conditions of this Order. Proper operation and maintenance also includes adequate laboratory controls and appropriate quality assurance procedures. This provision requires the operation of backup or auxiliary facilities or similar systems that are installed by a Discharger only when necessary to achieve compliance with the conditions of this Order. (40 CFR section 122.41(e).) Violation null Report South Bay International WWTP 457807 R9-2024-0091 Y 1135461 09/23/2024 Order Conditions Section 6.3.2.1.3. of the Order. The Discharger is required to implement the Flow Prevention/Response Plan. Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1135460 09/23/2024 Order Conditions Unpermitted Discharge of a Pollutant to Waters of the U.S. in violation of Clean Water Act section 301, Water Code section 13376, Basin Plan Prohibitions and Order section 3.1. Violation null Report South Bay International WWTP 442331 R9-2021-0001 N 1135079 09/30/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 6255 lb/day and reported value was 13698.47 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135078 09/30/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value was 65.95 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135077 09/21/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 15985.62 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135076 09/14/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 16283.13 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135075 09/07/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 18005.01 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135074 09/21/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 78 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135073 09/14/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 79 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135072 09/07/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 87 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135071 09/30/2024 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Removal limit is 85 % and reported value was 74.91 % at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135070 09/07/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 8340 lb/day and reported value was 8758 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135069 09/30/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 5213 lb/day and reported value was 6852.26 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135068 09/07/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 43 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135067 09/30/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 25 mg/L and reported value was 33.07 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1135066 09/30/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C), Percent Removal Percent Removal limit is 85 % and reported value was 81.45 % at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1132735 08/03/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 9510.63 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1132734 08/03/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 59 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1132720 06/30/2024 Late Report Section 6.3.2.2.1 of the Order: The Discharger is required to conduct Biannual Technical Committee (BTC) meetings periodically but no less than two times per year and submit the agenda and meeting summary within 30 days after each BTC meeting. The Discharger has not conducted BTC meetings since the effective date of the Order. Violation null Inspection South Bay International WWTP 442331 R9-2021-0001 Y 1132719 06/30/2024 Late Report Section 6.3.2.2.1 of the Order: The Discharger is required to conduct Biannual Technical Committee (BTC) meetings periodically but no less than two times per year and submit the agenda and meeting summary within 30 days after each BTC meeting. The Discharger has not conducted BTC meetings since the effective date of the Order. Violation null Inspection South Bay International WWTP 442331 R9-2021-0001 Y 1132271 06/17/2024 Order Conditions The Discharger is alleged to have violated Section 1.4 of Order Attachment D, Standard Provisions. Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1132268 06/17/2024 Order Conditions The Discharger is alleged to have violated Section 6.3.2.5.2. of the Order. Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1132263 06/17/2024 Order Conditions The Discharger is alleged to have violated Section 6.3.2.1.3. of the Order. Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1132259 06/17/2024 Order Conditions The Discharger is alleged to have violated Section 6.3.2.1.2.8.1. of the Order. Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1132254 06/17/2024 Order Conditions Unpermitted Discharge of a Pollutant to Waters of the U.S. in violation of Clean Water Act section 301, Water Code section 13376, Basin Plan Prohibitions and Order section 3.1. Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1131401 07/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 6255 lb/day and reported value was 28893 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131400 07/31/2024 CAT1 Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and reported value was 42.29 % at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131399 07/27/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 8340 lb/day and reported value was 13625 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131398 07/20/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 8340 lb/day and reported value was 20386 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131397 07/20/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 124.29 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131396 07/27/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 80.57 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131395 07/16/2024 OEV Turbidity Instantaneous Maximum limit is 225 NTU and reported value was 264 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131394 07/31/2024 OEV Turbidity Monthly Average limit is 75 NTU and reported value was 93.61 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131393 07/27/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 35512 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131392 07/20/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 51626 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131391 07/20/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 314 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131390 07/13/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 11976 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131389 07/06/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 14192 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131388 07/06/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 93 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131387 07/31/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 25 mg/L and reported value was 68.13 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131386 07/31/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C), Percent Removal Monthly Average limit is 85 % and reported value was 63.42 % at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131385 07/15/2024 OEV Turbidity Instantaneous Maximum limit is 225 NTU and reported value was 293 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131384 07/27/2024 OEV Turbidity Weekly Average limit is 100 NTU and reported value was 120.14 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131383 07/20/2024 OEV Turbidity Weekly Average limit is 100 NTU and reported value was 197.71 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131382 07/27/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 209 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131381 07/13/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 80 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131380 07/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 30 mg/L and reported value was 165.35 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131379 07/06/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 49.00 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1131378 07/31/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 5213 lb/day and reported value was 011021 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1130221 06/01/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 11274 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1130220 06/01/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 62 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1130219 06/08/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 53 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129513 07/02/2024 Late Report Once Only OneTime ( TECHRPT ) (Climate Change Action Plan Attachment E, Section 6.1) report for 2021/07/01 (2528211) was due on 01-JUL-24 Violation null Report South Bay International WWTP 442331 R9-2021-0001 Y 1129022 05/31/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 5213 mg/L and reported value was 15845 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129021 05/18/2024 OEV Turbidity Weekly Average limit is 100 NTU and reported value was 148.86 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129020 05/11/2024 OEV Turbidity Weekly Average limit is 100 NTU and reported value was 133.57 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129019 05/25/2024 OEV Turbidity Weekly Average limit is 100 NTU and reported value was 151.43 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129018 05/25/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 35769 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129017 05/18/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 93830 lb/day and reported value was 38801 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129016 05/11/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 9383 lb/day and reported value was 37698 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129014 05/25/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 157 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129013 05/18/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 181 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129012 05/11/2024 CAT1 Total Suspended Solids (TSS) Weekly Average limit is 45 mg/L and reported value was 174 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129010 05/31/2024 CAT1 Total Suspended Solids (TSS), Percent Removal Monthly Average limit is 85 % and reported value was 58.75 % at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129009 05/18/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 8340 lb/day and reported value was 21000 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129008 05/18/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 8340 lb/day and reported value was 19922 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129007 05/11/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 8340 lb/day and reported value was 19833 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129006 05/31/2024 CAT1 Total Suspended Solids (TSS) 1-Hour Average (Mean) limit is 30 mg/L and reported value was 139 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129005 05/25/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 93.14 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129004 05/25/2024 OEV Turbidity Instantaneous Maximum limit is 225 NTU and reported value was 579 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129003 05/12/2024 OEV Turbidity Instantaneous Maximum limit is 225 NTU and reported value was 281 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129002 05/31/2024 OEV Turbidity Monthly Average limit is 75 NTU and reported value was 0111.39 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129001 05/31/2024 CAT1 Total Suspended Solids (TSS) Monthly Average limit is 6255 lb/day and reported value was 29652 lb/day at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1129000 05/18/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 93.43 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1128999 05/31/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Monthly Average limit is 25 mg/L and reported value was 74 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1128998 05/31/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C), Percent Removal Monthly Average limit is 85 % and reported value was 68.82 % at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1128997 05/11/2024 CAT1 Carbonaceous Biochemical Oxygen Demand (CBOD) (5-day @ 20 Deg. C) Weekly Average limit is 40 mg/L and reported value was 91.43 mg/L at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y 1128996 05/09/2024 OEV Turbidity Instantaneous Maximum limit is 225 NTU and reported value was 425 NTU at Effluent. Violation N eSMR South Bay International WWTP 442331 R9-2021-0001 Y Enforcement Actions Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status 460597 Staff Enforcement Letter null Notice of Non-Compliance (USIBWC) Covered Matters Considered under Settlement Agreement R9-2023-0009 NPDMUNILRG 01/24/2025 Historical 459860 Notice of Violation R9-2025-0019 NOV No. R9-2025-0019 for United States Section of the International Boundary and Water Commission (USIBWC) NPDMUNILRG null Historical 459545 Notice of Violation R9-2025-0011 NOV R9-2025-0011 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 01/13/2025 Historical 459259 Notice of Violation R9-2024-0203 NOV R9-2024-0203 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 12/03/2024 Historical 458719 Notice of Violation R9-2024-0186 NOV R9-2024-0186 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 10/16/2024 Historical 458613 13267 Letter R9-2025-0022 13267 Letter R9-2025-0022 for United States Section of the International Boundary and Water Commission (USIBWC) NPDMUNILRG 02/18/2025 Active 458504 Notice of Violation R9-2024-0179 NOV R9-2024-0179 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 09/24/2024 Historical 458474 Notice of Violation R9-2024-0146 NOV R9-2024-0146 for USIBWC Facility - Hollister Street Pump Station NPDMUNILRG 09/25/2024 Historical 458177 Notice of Violation R9-2024-0140 NOV R9-2024-0140 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 08/23/2024 Historical 457813 Notice of Violation R9-2024-0117 NOV R9-2024-0117 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 07/23/2024 Historical 456899 Notice of Violation R9-2024-0091 NOV R9-2024-0091 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 05/14/2024 Historical 456626 Notice of Violation R9-2024-0084 NOV R9-2024-0084 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 04/23/2024 Historical 455817 Notice of Violation R9-2024-0045 NOV R9-2024-0045 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 02/14/2024 Historical 455560 Notice of Violation R9-2024-0026 NOV R9-2024-0026 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 01/18/2024 Historical 455365 Notice of Violation R9-2023-0222 NOV R9-2023-0222 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 12/21/2023 Historical 455044 Notice of Violation R9-2023-0216 NOV R9-2023-0216 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 11/16/2023 Historical 454841 Time Schedule Order R9-2023-0189 TSO R9-2023-0189 for IBWC-US & Mexico Section NPDMUNILRG 12/18/2023 Active 454744 Notice of Violation R9-2023-0205 NOV R9-2023-0205 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 10/27/2023 Historical 453821 Notice of Violation R9-2023-0162 NOV R9-2023-0162 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 09/05/2023 Historical 443332 Cease and Desist Order R9-2021-0107 CDO R9-2021-0107 for IBWC-US & Mexico Section NPDMUNILRG 05/12/2021 Active 442121 Notice of Violation R9-2021-0035 NOV R9-2021-0035 for USIBWC South Bay International Wastewater Treatment Plant NPDMUNILRG 02/05/2021 Historical 440115 Notice of Violation R9-2020-0243 NOV R9-2020-0243; 09/09/2020; for IBWC-US & Mexico Section; Failure to conduct BTC meetings NPDMUNILRG 09/10/2020 Historical 440113 Notice of Violation R9-2020-0244 NOV No. R9-2020-0244 for IBWC-US & Mexico Section Serious Effluent Violation NPDMUNILRG 09/14/2020 Historical 435502 Formal Refer to Attorney Gen null Ref to AG for Complaint for Declaratory and Injunctive Relief IBWC-US & Mexico Section NPDMUNILRG 09/04/2018 Active 422641 13267 Letter R9-2020-0030 IO under s13267 R9-2020-0030 for IBWC-US & Mexico Section NPDMUNILRG 02/05/2020 Historical 410064 Staff Enforcement Letter null SEL for IBWC-US & Mexico Section NPDMUNILRG 11/02/2016 Historical 402617 Staff Enforcement Letter null SEL for IBWC-US & Mexico Section NPDMUNILRG 10/06/2015 Historical 401509 Staff Enforcement Letter null SEL for IBWC-US & Mexico Section NPDMUNILRG 07/21/2015 Historical 395787 Staff Enforcement Letter null SEL for IBWC-US & Mexico Section NPDMUNILRG 06/03/2014 Historical 382680 Notice of Violation null 01/03/12 NOV for Order No. R9-1996-0050 IBWC-US & Mexico Section NPDMUNILRG null Historical 382405 Notice of Violation null 12/16/11 NOV for Order No. R9-1996-0050 IBWC-US & Mexico Section NPDMUNILRG null Historical 375113 Staff Enforcement Letter null SBIWTP Effluent Limit Violation Staff Letter NPDMUNILRG 07/21/2010 Historical 372360 Staff Enforcement Letter null SEL 10/20/2008 for IBWC-US & Mexico Section NPDMUNILRG 10/20/2008 Historical 372359 Staff Enforcement Letter null SEL 07/14/2009 for IBWC-US & Mexico Section NPDMUNILRG 07/14/2009 Historical 315336 Staff Enforcement Letter UNKNOWN SEL NPDES 96-50 IBWC South Bay IWTP Inspection Violations NPDMUNILRG 11/22/2006 Historical 302860 Staff Enforcement Letter null SEL NPDES 96-50 IBWC South Bay IWTP Inspection Violations NPDMUNILRG 05/17/2006 Historical 256044 Cease and Desist Order R9-1996-0052-A03 Enforcement - 9 000000732 NPDMUNILRG 11/08/2000 Historical 250175 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000732 NPDESWW 01/30/2004 Historical 249852 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000732 NPDESWW 10/21/2003 Historical 245468 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000732 NPDESWW 01/21/2003 Historical 235449 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000732 NPDMUNILRG 01/31/2001 Historical 233298 Staff Enforcement Letter UNKNOWN Enforcement - 9 000000732 NPDMUNILRG 12/21/1999 Historical 220735 Cease and Desist Order 96-52 Enforcement - 9 000000732 NPDMUNILRG 11/14/1996 Historical 220260 Cease and Desist Order R9-1996-0052A1 Enforcement - 9 000000732 NPDMUNILRG 05/13/1998 Historical 220026 Cease and Desist Order 96-052A2 Enforcement - 9 000000732 NPDMUNILRG 10/14/1998 Historical Regulatory Measures linked to Related Parties Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status