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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
27814 Mariposa PUD Special District Po Box 494 Mariposa, CA 95338 209-966-2515 mpud@sti.net
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
631538 Mariposa PUD CS Mariposa 5F Collection_System Owner 04/05/2006 None
273207 Mariposa WWTP Mariposa 5F Wastewater Treatment Facility Owner 04/22/1999 None
Total Related Places: 2
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
520904 Chris Toledo Person Legally Responsible Official 10/03/2016 None None
117198 Mark Rowney Person Legally Responsible Official 04/05/2006 01/12/2023 None
578844 Edwin Appling Person Legally Responsible Official 06/22/2018 01/12/2023 None
607444 Susan Wages Person Legally Responsible Official 04/08/2020 None None
117198 Mark Rowney Person Legal representative 04/22/1999 01/12/2023 None
117198 Mark Rowney Person Facility Contact 04/22/1999 01/12/2023 None
117198 Mark Rowney Person Enforcement Contact 06/04/2002 01/12/2023 None
500462 Curt Farrell Person Employee 02/25/2009 None None
520904 Chris Toledo Person Data Submitter 01/27/2010 10/03/2016 None
625763 Justin Sherrill` Person Data Submitter 06/24/2021 None None
520903 Benjamin Bissmeyer Person Data Submitter 01/27/2010 None None
Total Related Parties: 11
  
  
  
  
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?
441902 Enrollee - NPDES 5F 5C221012001 Active NPDMUNIOTH R5-2023-0025 04/01/2021 None Discharger 01/14/2021 None N
300924 Enrollee - WDR 5F 5SSO10744 Active SSOMUNISML 2022-0103-DWQ 11/03/2006 None Discharger 04/14/2006 None N
385864 NPDES Permit 5F 5C221012001 Historical NPDMUNIOTH R5-2014-0042 05/01/2014 04/22/2021 Discharger 06/16/2000 None Y
343180 NPDES Permit 5F 5C221012001 Historical NPDMUNIOTH R5-2007-0171 01/25/2008 05/01/2014 Discharger 06/16/2000 None Y
377214 Letter 5F 5C221012001 Historical NPDESWW None 01/20/2011 07/31/2014 Discharger 06/16/2000 None N
147829 NPDES Permit 5F 5C221012001 Historical NPDMUNIOTH 00-122 06/16/2000 01/24/2008 Discharger 01/01/2000 None N
145003 NPDES Permit 5F 5C221012001 Historical NPDMUNIOTH 94-294 10/28/1994 06/15/2000 Discharger 10/28/1994 None N
144098 NPDES Permit 5F 5C221012001 Historical NPDMUNIOTH 89-194 10/27/1989 10/28/1994 Discharger 10/27/1989 None N
144115 NPDES Permit 5F 5C221012001 Historical NPDMUNIOTH 84-142 11/28/1984 10/27/1989 Discharger 11/28/1984 None N
Total Regulatory Measures: 9
  
  
  
  
Expand/Contract Violations
Violations within the past 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.
1151615 01/04/2026 Surface Water See attached file Violation N eSMR Mariposa WWTP 441902 R5-2023-0025 N
1152645 01/04/2026 Order Conditions Unauthorized bypass of partially treated waste to a surface water from 4 January Violation None Report Mariposa WWTP 441902 R5-2023-0025 N
1152647 01/04/2026 Unauthorized Discharge Unauthorized discharge of partially treated waste to a water of the United State Violation None Report Mariposa WWTP 441902 R5-2023-0025 N
1152648 01/04/2026 Other Codes January 2026: Failure to file a report of waste discharge. Violation of CWC sect Violation None Report Mariposa WWTP 441902 R5-2023-0025 N
1152649 01/04/2026 Unauthorized Discharge January 2026: Unauthorized discharge prior to compliance with CWC section 13260. Violation None Report Mariposa WWTP 441902 R5-2023-0025 Y
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 5
*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
416806 Time Schedule Order R5-2017-0105 TSO R5-2017-0105 for Mariposa PUD NPDMUNIOTH 10/20/2017 Historical
395540 Time Schedule Order R5-2014-0043 TSO R5-2014-0043 for MARIPOSA PUD NPDMUNIOTH 05/17/2014 Historical
380274 Time Schedule Order R5-2011-0905 TSO R5-2011-0905 for MARIPOSA PUD NPDMUNIOTH 07/13/2011 Historical
375015 Staff Enforcement Letter None SEL 07/26/2010 for Mariposa WWTF (10/1/10) NPDMUNIOTH 07/26/2010 Historical
460385 Staff Enforcement Letter None SEL 03/11/2025 for Mariposa PUD DISCHSW 03/11/2025 Historical
378439 Notice of Violation None NOV 4/18/2011 for MARIPOSA PUD NPDMUNIOTH 04/18/2011 Historical
382433 Notice of Violation None NOV 12/16/2011 for Mariposa PUD, Mariposa PUD CS SSOMUNISML 12/16/2011 Historical
238355 13267 Letter None NOV 11/28/2001 for Mariposa WWTP NPDESWW 11/28/2001 Historical
388028 Notice of Violation None NOV 10-APR-12 for MARIPOSA PUD SSOMUNISML 04/10/2012 Historical
393249 Notice of Violation None NOV 09/19/2013 for MARIPOSA PUD NPDMUNIOTH 09/18/2013 Historical
351461 Notice of Violation None NOV 09/04/2008 for Mariposa WWTF for 1 MMP violation (1/1/00-1/24/08) NPDMUNIOTH 09/04/2008 Historical
387049 Notice of Violation None NOV 08/20/2012 for Mariposa PUD, Mariposa PUD CS SSOMUNISML 08/20/2012 Historical
248982 13267 Letter None NOV 06/04/2002 for Mariposa WWTP NPDMUNIOTH 06/04/2002 Historical
461162 Notice of Violation None NOV 05/27/2025 for Mariposa PUD NPDMUNIOTH 05/27/2025 Active
452629 Notice of Violation None NOV 05/16/2023 for Mariposa PUD NPDMUNIOTH 05/16/2023 Active
405821 Notice of Violation None NOV 04/15/2016 for Mariposa PUD NPDMUNIOTH 04/15/2016 Historical
464535 Notice of Violation None NOV 02/24/2026 for Mariposa PUD NPDMUNIOTH 02/24/2026 Active
459841 Notice of Violation None NOV 01/28/2025 for Mariposa PUD DISCHSW 01/28/2025 Historical
387497 Admin Civil Liability R5-2013-0590 ACL R5-2013-0590 for MARIPOSA PUD NPDMUNIOTH 12/30/2013 Historical
Total Enforcement Actions: 19
  
  
  
  
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: 05/08/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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