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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
522151 Poseidon Resources (Channelside) LP Co. Privately-Owned Business 5780 Fleet Street 140 Carlsbad, CA 92008 760-655-3900 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
882234 Poseidon Channelside -Carlsbad Desalination Plant Intake & Outfall Modification San Diego 9 Dredge/Fill Site Owner 07/12/2022 02/19/2024
867567 Poseidon Screen Intake and Geotechnical Studies San Diego 9 Dredge/Fill Site Owner 06/22/2020 None
865610 Agua Hedionda Outer Lagoon Maintenance Dredging and Beach Nourishment Project San Diego 9 Dredge/Fill Site None None None
862830 Carlsbad Desal Plant Phase II-Discharge Pond Blocks & Dock/Gangway Relocation San Diego 9 Dredge/Fill Site Owner 11/14/2019 None
854701 Otay River Estuary Restoration Project San Diego 9 Dredge/Fill Site None None None
795920 Poseidon Carlsbad Desalination Plant Drinking Water System Discharges San Diego 9 Water Treatment Plant Owner and Operator 08/28/2017 None
640063 Claude Bud Lewis Carlsbad Desalination Plant San Diego 9 Water Treatment Plant Owner 04/22/2010 08/08/2024
640063 Claude Bud Lewis Carlsbad Desalination Plant San Diego 9 Water Treatment Plant Owner and Operator 02/25/2013 None
Total Related Places: 8
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
643843 Channelside Water Resources LP Organization Member Of 02/19/2024 None Privately-Owned Business
640778 Shawntrel McCoy Person Data Submitter 07/26/2023 None None
611646 Cheryl Hudson Person Legally Responsible Official 08/20/2020 08/20/2020 None
600454 Ian Hamill Person Data Submitter 07/23/2019 None None
573171 Sachin Chawla Person Legally Responsible Official 07/12/2022 08/08/2024 None
573171 Sachin Chawla Person Data Submitter 01/25/2018 08/08/2024 None
560482 Michelle Peters Person Legally Responsible Official 04/01/2021 None None
560409 Josh Capito Person Data Submitter 09/24/2018 None None
557206 Chris Stiedemann Person Data Submitter 06/21/2016 03/31/2017 None
556992 Lev Mirzoian Person Data Submitter 06/08/2016 04/12/2019 None
555852 Dean Rauscher Person Data Submitter 05/09/2016 None None
553907 Peter Shen Person Data Submitter 12/08/2015 04/19/2016 None
553906 Lori Rigby Person Employee 12/08/2015 06/07/2016 None
549439 Allison Reinicke Person Data Submitter 12/16/2014 08/08/2024 None
525938 Tabitha Whipple Person Data Submitter 02/18/2011 08/08/2024 None
525848 Jessica Jones Person Data Submitter 02/11/2011 08/08/2024 None
339921 Peter MacLaggan Person Legally Responsible Official 04/22/2010 03/31/2021 None
339921 Peter MacLaggan Person Legally Responsible Official 02/11/2011 03/31/2021 None
339920 Poseidon Resources Corp Organization Member Of 08/28/2015 None Privately-Owned Business
Total Related Parties: 19
  
  
  
  
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?
452989 Enrollee - NPDES 9 9 000003898 Historical NPDNONMUNIPRCS R9-2015-0013 10/24/2023 12/27/2024 Discharger 06/09/2023 None Y
448518 401 Certification 9 9 000003799 Active CERFILLEXC R9-2022-0123 10/03/2022 None Discharger 07/11/2022 02/19/2024 Y
438814 Enrollee - 401 Certification 9 None Historical CERFILLEXC SB17001GN 09/15/2020 06/10/2022 Discharger 06/22/2020 None N
437275 401 Certification 9 9 000000093 Active CERDREDGE R9-2020-0232 11/25/2020 None Discharger 12/28/2021 02/19/2024 Y
435512 401 Certification 9 9 000003523 Historical CERFILLEXC R9-2020-0090 02/27/2020 03/01/2021 Discharger 11/14/2019 None N
430584 NPDES Permit 9 9 000001429 Active NPDNONMUNIPRCS R9-2019-0003 07/01/2019 None Discharger 05/08/2019 None Y
427991 401 Certification 9 9 000003392 Active CERREST R9-2021-0118 06/21/2021 None Discharger 12/26/2018 02/19/2024 N
417013 Enrollee - NPDES 9 4DW0668 Active NPDMUNIOTH 2014-0194-DWQ 07/01/2017 None Discharger 07/01/2017 None N
389317 Enrollee 9 None Historical WDRNONMUNIPRCS R9-2014-0041W3 06/26/2014 02/02/2016 Discharger 02/25/2013 None N
389316 Enrollee - Waiver 9 None Historical WDRNONMUNIPRCS R9-2007-0104W2 01/17/2014 02/02/2016 Discharger 02/25/2013 None N
308381 NPDES Permit 9 9 000001429 Historical NPDNONMUNIPRCS R9-2006-0065 10/01/2006 06/30/2019 Discharger 05/12/2010 None Y
Total Regulatory Measures: 11
  
  
  
  
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.
1141851 08/06/2024 CAT2 TCDD Equivalents Monthly Average limit is 0.000000089 ug/L and reported value was 0.00000017 ug/L at M-001. Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1141843 09/26/2024 OEV Flow Daily Maximum limit is 67.0 MGD and reported value was 72.96 MGD at M-001. Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1141842 09/25/2024 OEV Flow Daily Maximum limit is 67.0 MGD and reported value was 71.89 MGD at M-001. Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1141841 09/24/2024 OEV Flow Daily Maximum limit is 67 MGD and reported value was 71.88 MGD at M-001. Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1136053 11/05/2024 Late Report Quarterly SMR ( MONRPT ) (Progress Report Compliance w/Conditions Implement WaiverMRP Amended VII.D.ii) report for Q3 2024 (2829916) was due on 04-NOV-24 Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1136021 11/02/2024 Late Report Quarterly SMR ( MONNPDES ) (Influent Effluent Receiving Water Toxicity Sampling Attachment E VII B) report for Q3 2024 (2829915) was due on 01-NOV-24 Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1136020 11/02/2024 Late Report Monthly SMR ( MONNPDES ) (Sampling Schedule Attachment E VII B) report for September 2024 (2858906) was due on 01-NOV-24 Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1131964 09/02/2024 Late Report Monthly SMR ( MONNPDES ) (Sampling Schedule Attachment E VII B) report for July 2024 (2839554) was due on 01-SEP-24 Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1131563 03/01/2024 OEV Dissolved Oxygen Instantaneous Minimum limit is 5.0 mg/L and reported value was 3.5 mg/L. Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 452989 R9-2015-0013 Y
1131562 11/15/2023 OEV Dissolved Oxygen Instantaneous Minimum limit is 5 mg/L and reported value was 4.5 mg/L. Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 452989 R9-2015-0013 Y
1131561 11/30/2023 CAT1 Oil and Grease Monthly Average (Mean) limit is 30.0024 lb/day and reported value was 18.41 lb/day. Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 452989 R9-2015-0013 Y
1131560 11/30/2023 CAT1 Oil and Grease Monthly Average (Mean) limit is 25 mg/L and reported value was 35 mg/L. Violation N Report Claude Bud Lewis Carlsbad Desalination Plant 452989 R9-2015-0013 Y
1123637 12/05/2023 Order Conditions On December 5th, 2023, the CDP suffered a mechanical malfunction in its back wash system, causing plant effluent containing sludge to discolor the receiving waters. The CDP Laboratory collected and analyzed samples from the M-002 sampling point during the event. Results of those samples show that discoloration of receiving waters was the only permit violation. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1123636 10/16/2023 CAT1 Total Suspended Solids (TSS) 90-Day Mean limit is 60 mg/L and reported value was 108 mg/L at M-001. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1123070 11/03/2023 Late Report Quarterly SMR ( MONRPT ) (Progress Report Compliance w/Conditions Implement WaiverMRP Amended VII.D.ii) report for Q3 2023 (2791433) was due on 02-NOV-23 Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1123069 08/03/2023 Late Report Quarterly SMR ( MONRPT ) (Progress Report Compliance w/Conditions Implement WaiverMRP Amended VII.D.ii) report for Q2 2023 (2791432) was due on 02-AUG-23 Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1123068 06/03/2023 Late Report Quarterly SMR ( MONRPT ) (Progress Report Compliance w/Conditions Implement WaiverMRP Amended VII.D.ii) report for Q1 2023 (2791431) was due on 02-JUN-23 Violation None Report Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1120821 08/03/2023 Order Conditions On August 3, 2023, a valve in CDP's backwash system suffered a mechanical malfunction, causing plant effluent containing untreated backwash water to discolor the receiving waters. The CDP Laboratory collected and analyzed samples from the M-002 sampling point during the event. Results of those samples show that discoloration of receiving waters was the only permit violation. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1120820 08/28/2023 Deficient Monitoring Discharge was notified by the outside laboratory that the Oil and Grease sample for analysis taken on 8/28/2023 to satisfy the M-001 NPDES sampling for the compliance week of 8/27/2023 to 9/2/2023 are to be considered estimated values. This is due to the laboratory reporting that Low recovery was observed for total oil and grease in the LCS/LCSD for the batch. No additional sample volume remained for re-extraction or re-analysis. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1120819 08/14/2023 Deficient Monitoring Discharger was notified by the outside laboratory that the Oil and Grease sample for analysis taken on 8/14/2023 to satisfy the M-001 NPDES sampling for the compliance week of 8/13/2023 to 8/19/2023 was determined to be invalid. After total consumption of the sample volume, it was determined the LCS stock standard was invalid. Therefore, Oil and Grease results must be considered as estimated values due to missing positive control QC. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1118265 05/24/2023 Order Conditions On May 24th, 2023, the CDP suffered a mechanical malfunction in its back wash system, causing plant effluent containing a higher amount of sludge to discolor the receiving waters. The CDP Laboratory collected and analyzed samples from the M-002 sampling point during the event. Results of those samples show that discoloration of receiving waters was the only permit violation. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1111651 11/21/2022 Deficient Monitoring Due to an unscheduled maintenance shutdown, the CDP shutdown on November 21st at 3:30am and remained shut down for the remainder of the November. Due to the unscheduled shutdown occurring prior to the normal time to conduct weekly sampling and due to a communication error, weekly NPDES sampling was not conducted for the compliance week of November 20th to November 26th. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1111650 11/21/2022 Deficient Monitoring Due to an unscheduled maintenance shutdown, the CDP shutdown on November 21st at 3:30am and remained shut down for the remainder of the November. Due to the unscheduled shutdown occurring prior to the normal time to conduct weekly sampling and due to a communication error, weekly NPDES sampling was not conducted for the compliance week of November 20th to November 26th. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1111649 11/21/2022 Deficient Monitoring Due to an unscheduled maintenance shutdown, the CDP shutdown on November 21st at 3:30am and remained shut down for the remainder of the November. Due to the unscheduled shutdown occurring prior to the normal time to conduct weekly sampling and due to a communication error, weekly NPDES sampling was not conducted for the compliance week of November 20th to November 26th. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1090747 04/11/2021 Deficient Monitoring During the compliance week of 04/11/2021 to 04/17/2021 the CDP was scheduled for a maintenance shutdown. The maintenance shutdown was scheduled for 8:00PM on April 11th to 8:00PM on April 16th, The lab had scheduled to collect the samples after the plant was returned to normal operation on April 16th. Due to unforeseen circumstances the plant did not return to normal operation until April 18th, which is outside the compliance week. Therefore the lab was unable to collect the weekly sample a monitoring location M-002 for the compliance week beginning April 11th. The CDP was in normal operation for the period of 19 hours and and 42 minutes on 04/11/2021. During this operational time the CDP failed to collect the required weekly NPDES sampling. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1090746 04/11/2021 Deficient Monitoring During the compliance week of 04/11/2021 to 04/17/2021 the CDP was scheduled for a maintenance shutdown. The maintenance shutdown was scheduled for 8:00PM on April 11th to 8:00PM on April 16th, The lab had scheduled to collect the samples after the plant was returned to normal operation on April 16th. Due to unforeseen circumstances the plant did not return to normal operation until April 18th, which is outside the compliance week. Therefore the lab was unable to collect the weekly sample a monitoring location M-001 for the compliance week beginning April 11th. The CDP was in normal operation for the period of 19 hours and and 42 minutes on 04/11/2021. During this operational time the CDP failed to collect the required weekly NPDES sampling. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1090745 04/11/2021 Deficient Monitoring During the compliance week of 04/11/2021 to 04/17/2021 the CDP was scheduled for a maintenance shutdown. The maintenance shutdown was scheduled for 8:00PM on April 11th to 8:00PM on April 16th, The lab had scheduled to collect the samples after the plant was returned to normal operation on April 16th. Due to unforeseen circumstances the plant did not return to normal operation until April 18th, which is outside the compliance week. Therefore the lab was unable to collect the weekly sample a monitoring location M-INF for the compliance week beginning April 11th. The CDP was in normal operation for the period of 19 hours and and 42 minutes on 04/11/2021. During this operational time the CDP failed to collect the required weekly NPDES sampling. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 N
1079952 08/23/2020 Order Conditions On 8/23/2020 Discharger exceeded the maximum allowable intake of 299 MGD of seawater by 1.35 MGD due to the dilution flow values set within CDP''s SCADA system not properly accounting for the brine dilution provided by maintenance flow cycled through the plant. Violation N eSMR Claude Bud Lewis Carlsbad Desalination Plant 430584 R9-2019-0003 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: 28
*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
458282 Admin Civil Liability R9-2024-0147 ACL R9-2024-0147 for Poseidon Resources (Channelside) LP Co. NPDNONMUNIPRCS 12/26/2024 Historical
433293 Staff Enforcement Letter None SEL 07/30/2019 for Poseidon Resources (Channelside) LP Co. NPDNONMUNIPRCS 07/30/2019 Historical
430231 Staff Enforcement Letter None SEL for Poseidon Resources (Channelside) LP Co. NPDNONMUNIPRCS 05/03/2019 Historical
428442 Staff Enforcement Letter R9-2006-0065 SEL for Poseidon Resources (Channelside) LP Co. NPDNONMUNIPRCS 01/28/2019 Historical
410379 Staff Enforcement Letter R9-2006-0065 SEL re R9-2006-0065 for Poseidon Resources (Channelside) LP (July 2015- September 2016) NPDNONMUNIPRCS 12/09/2016 Historical
405563 Notice of Violation R9-2006-0065 NOV re R9-2006-0065 for Poseidon Resources (Channelside) LP NPDINDLRG 04/07/2016 Historical
Total Enforcement Actions: 6
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
448518 Channelside Water Resources LP 401 Certification CERFILLEXC 10/03/2022 Active
437275 Channelside Water Resources LP 401 Certification CERDREDGE 11/25/2020 Active
430584 Channelside Water Resources LP NPDES Permit NPDNONMUNIPRCS 07/01/2019 Active
427991 Channelside Water Resources LP 401 Certification CERREST 06/21/2021 Active
397507 Poseidon Resources Corp Enrollee - NPDES NPDNONMUNIPRCS 08/11/2014 Historical
394648 Poseidon Resources Corp Enrollee NPDNONMUNIPRCS 02/05/2014 Historical
391448 Poseidon Resources Corp Enrollee NPDNONMUNIPRCS 07/11/2013 Historical
312587 Poseidon Resources Corp Enrollee NPDNONMUNIPRCS 12/01/2006 Historical
Total Regulatory Measures linked to Related Parties: 8
  
  
The current report was generated with data as of: 07/11/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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