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   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
598434 Niland County Sanitation District Special District 155 South 11th Street El Centro, CA 92243 760-996-6775 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
244348 Niland SD WWTP Imperial 7 Wastewater Treatment Facility Operator 06/01/2019 None
Total Related Places: 1
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
652303 Ricardo Arguellez Person Data Submitter 09/30/2025 None None
652303 Ricardo Arguellez Person Data Submitter 09/15/2025 None None
648533 Jose Romero Person Data Submitter 10/08/2025 None None
541729 John Gay Person Legally Responsible Official 09/19/2025 None None
Total Related Parties: 4
  
  
  
  
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?
430972 NPDES Permit 7 7A130109011 Historical NPDMUNIOTH R7-2019-0005 06/01/2019 07/31/2025 Discharger 06/04/2019 None N
461878 NPDES Permit 7 7A130109011 Active NPDMUNIOTH R7-2025-0017 08/01/2025 None Discharger 07/22/2025 None N
Total Regulatory Measures: 2
  
  
  
  
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.
1148443 08/04/2025 CAT1 Total Suspended Solids (TSS) Weekly Average (Mean) limit is 84 mg/L and reported value was 98.4 mg/L at EFF-001. Violation N eSMR Niland SD WWTP 461878 R7-2025-0017 N
1148442 08/04/2025 CAT1 Total Suspended Solids (TSS), Percent Removal 30-Day Average limit is 65 % and reported value was 37.25 % at EFF-001. Violation N eSMR Niland SD WWTP 461878 R7-2025-0017 N
1148441 08/04/2025 CAT1 Total Suspended Solids (TSS) Monthly Average (Mean) limit is 56 mg/L and reported value was 068.4 mg/L at EFF-001. Violation N eSMR Niland SD WWTP 461878 R7-2025-0017 N
1148440 08/21/2025 Deficient Monitoring Selenium sample analysis was conducted using an alternative test procedure due to a malfunction in the laboratory¿s instrumentation. However, the laboratory did not notify me of this procedural change prior to conducting the analysis. As a result, the reported Selenium concentration was below 0.40 mg/L; however, the NPDES limit is 4.08 ug/L, which is below the MDL of the test used. Violation N eSMR Niland SD WWTP 461878 R7-2025-0017 N
1148356 10/02/2025 Late Report Monthly SMR ( MONNPDES ) report for August 2025 (3011988) was due on 01-OCT-25 Violation None Report Niland SD WWTP 461878 R7-2025-0017 N
1147211 09/02/2025 Late Report Monthly SMR ( MONNPDES ) report for July 2025 (2987662) was due on 01-SEP-25 Violation None Report Niland SD WWTP 430972 R7-2019-0005 N
1129517 07/02/2024 Late Report Semi-Annual SMR ( MONNPDES ) report for H1 2024 (2789762) was due on 01-JUL-24 Violation None Report Niland SD WWTP 430972 R7-2019-0005 N
1121950 10/02/2023 OEV E.coli Instantaneous Maximum limit is 400 MPN/100 mL and reported value was 920 MPN/100 mL at EFF-001. Violation N eSMR Niland SD WWTP 430972 R7-2019-0005 N
1119318 07/31/2023 OEV E.coli Instantaneous Maximum limit is 400 MPN/100 mL and reported value was 1600 MPN/100 mL at EFF-001. Violation N eSMR Niland SD WWTP 430972 R7-2019-0005 N
1097618 11/30/2021 Deficient Monitoring gfailed to collect required number of bacteriological water samples Violation N Report Niland SD WWTP 430972 R7-2019-0005 N
1093647 07/31/2021 CAT1 Total Suspended Solids (TSS), Percent Removal Percent Reduction limit is 65.0 % and reported value was 58.4 % at EFF-001. Violation N eSMR Niland SD WWTP 430972 R7-2019-0005 N
1089173 03/17/2021 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Weekly Average (Mean) limit is 65 mg/L and reported value was 74 mg/L at EFF-001. Violation N eSMR Niland SD WWTP 430972 R7-2019-0005 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: 12
*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
462353 Admin Civil Liability R7-2025-0001 ACL R7-2025-0001 for Niland County Sanitation District NPDMUNIOTH 08/13/2025 Active
Total Enforcement Actions: 1
  
  
  
  
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: 10/31/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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