Welcome to California
California Home
Welcome to California - images of Golden Gate Bridge, ocean sunset, waterfall, flowers, and city skyline California Home Welcome to the California Environmental Protection Agency
California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
   [VIEW PRINTER FRIENDLY VERSION] [EXPORT THIS REPORT TO EXCEL]

  
  
  
  
  
General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
46497 Tuolumne Utilities District Special District Po Box 372844 Sonora, CA 95370 209-532-5536 rtaylor@tudwater.com(+)
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
882171 Sierra Pines Regional Water Treatment Facility Project Tuolumne 5S Dredge/Fill Site Owner 07/07/2022 None
862060 Slum Dam Algerine Ditch Repair Project Tuolumne 5S Dredge/Fill Site Owner 10/14/2019 None
847033 Tuolumne Utilities District Peaceful Pines WS (Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/10/2018 None
846979 Tuolumne Utilities District Phoenix Lake WS (Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/10/2018 None
846978 Tuolumne Utilities District Apple Valley WS (Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/10/2018 None
846977 Tuolumne Utilities District Scenic View WS (Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/10/2018 None
846976 Tuolumne Utilities District Ponderosa WS(Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/08/2018 None
846974 Tuolumne Utilities District Cedar Ridge WS (Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/08/2018 None
846973 Tuolumne Utilities District Tuolumne WS(Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/08/2018 None
846972 Tuolumne Utilities District Columbia WS (Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/08/2018 None
846971 Tuolumne Utilities District Wards Ferry WS (Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/08/2018 None
846942 Tuolumne Utilities District Upper Basin WS (Sibling) Tuolumne 5S Utility Structure Owner and Operator 05/08/2018 None
846941 Tuolumne Utilities District Sonora WS (Primary) Tuolumne 5S Utility Structure Owner and Operator 05/08/2018 None
846164 Phoenix Lake Preservation and Restoration Project (Dredging) Tuolumne 5S Dredge/Fill Site Owner 04/03/2018 None
844773 Phoenix Lake Preservation and Restoration Project Tuolumne 5S Dredge/Fill Site Owner 02/13/2018 None
631647 Tuolumne Utilities District CS Tuolumne 5F Collection_System Owner 04/05/2006 None
631540 Mi-Wuk Village CS Tuolumne 5F Collection_System Owner 04/05/2006 None
266795 Twain Harte WWTP Tuolumne 5F Wastewater Treatment Facility Owner 01/24/1986 None
266718 Tuolumne Co WW Recl Users Tuolumne 5F Recycled Water Use Area Owner 10/16/2000 None
257764 Sonora Regional WWTP Tuolumne 5S Wastewater Treatment Facility Owner 03/12/1999 None
257763 Sonora Regional WWTF Tuolumne 5F Wastewater Treatment Facility Owner and Operator 06/24/1977 None
240555 Mi-Wuk Village WW System Tuolumne 5F Wastewater Treatment Facility Owner 02/23/1973 None
Total Related Places: 22
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
646974 Trevor Cowden Person Legally Responsible Official 09/04/2024 None None
629491 Aidan Whitmer Person Legally Responsible Official 12/10/2021 None None
603459 Glen Nunnelley Person Legally Responsible Official 10/14/2019 None None
578420 CALEB MASON Person Data Submitter 11/02/2018 03/09/2023 None
578420 CALEB MASON Person Data Submitter 05/31/2018 06/14/2018 None
576719 Don Perkins Person Legally Responsible Official 05/08/2018 None None
573873 Erik Johnson Person Legally Responsible Official 02/13/2018 None None
522984 David Andres Person Employee 06/26/2015 None None
494232 Jay Johnson Person Data Submitter 12/15/2008 02/05/2015 None
494229 Jack Lewis Person Data Submitter 12/15/2008 02/05/2015 None
494224 Rich Pitcher Person Data Submitter 12/15/2008 06/22/2018 None
494224 Rich Pitcher Person Legally Responsible Official 06/22/2018 None None
491910 David Boatright Person Legally Responsible Official 11/19/2008 05/29/2018 None
142823 Leonard Mauro Person Enforcement Contact 06/27/2003 06/24/2015 None
142823 Leonard Mauro Person Legally Responsible Official 09/26/2007 11/19/2008 None
99425 Don Nessl Person Facility Contact 03/12/1999 None None
Total Related Parties: 16
  
  
  
  
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?
300980 Enrollee - WDR 5F 5SSO10771 Active SSOMUNILRG 2022-0103-DWQ 10/25/2006 None Discharger 04/14/2006 None N
141783 WDR 5F 5C550106004 Historical WDRMUNILRG 94-192 06/24/1994 04/18/2024 Discharger 06/24/1994 None N
140207 WDR 5F 5C550106003 Historical WDRMUNIOTH 87-043 03/27/1987 04/09/2014 Discharger 03/27/1987 None N
393527 Enrollee - WDR 5F 5C550106003 Active WDRMUNIENROTH 97-010-DWQ 04/10/2014 None Discharger 10/14/2013 None N
148511 WDR 5F 5B55NC00004 Active WDRMUNILRG 86-021 01/24/1986 None Discharger 01/24/1986 None N
131406 WDR 5F 5C550106007 Active WDRMUNILRG R5-2002-0202 12/05/2002 None Discharger 12/05/2002 None N
449436 WDR 5F 5C550106004 Active WDRMUNILRG R5-2024-0016 04/19/2024 None Discharger 10/03/2022 None N
300930 Enrollee - WDR 5F 5SSO10746 Active SSOMUNISML 2022-0103-DWQ 10/25/2006 None Discharger 04/14/2006 None N
421218 Enrollee - NPDES 5S 4DW0728 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/10/2018 None N
421193 Enrollee - NPDES 5S 4DW0725 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/08/2018 None N
139842 Reclamation Requirements 5S 5C550106007 Historical REC 86-022 01/24/1986 06/24/1994 Discharger 01/24/1986 None N
434048 Enrollee - Waiver 5S 5B55NC00032 Historical WDRNONMUNIPRCS R5-2018-0085 09/04/2019 12/13/2023 Discharger 09/09/2019 None N
355032 NPDES Permit 5S 5B55NP00003 Historical NPDMUNILRG R5-2008-0162 12/15/2008 02/06/2014 Discharger 10/24/2008 None N
419478 Enrollee - Waiver 5S 5B55NC00032 Historical WDRNONMUNIPRCS R5-2013-0145 07/13/2018 09/03/2019 Discharger 02/13/2018 None N
420532 401 Certification 5S 5B55CR00117 Active CERDREDGE None 07/13/2018 None Discharger 04/03/2018 None Y
421195 Enrollee - NPDES 5S 4DW0724 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/08/2018 None N
448468 401 Certification 5S 5B55CR00163 Active CERFILLEXC None 11/18/2022 None Discharger 07/07/2022 None N
139317 WDR 5S 5C550106003 Historical WDRMUNIOTH 73-170 02/23/1973 06/23/1977 Discharger 02/23/1973 None N
421217 Enrollee - NPDES 5S 4DW0727 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/10/2018 None N
148875 NPDES Permit 5S 5B55NP00003 Historical NPDMUNILRG R5-2001-0043 03/15/2001 12/14/2008 Discharger 03/15/2001 None N
421189 Enrollee - NPDES 5S 4DW0316 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/08/2018 None N
421194 Enrollee - NPDES 5S 4DW0726 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/08/2018 None N
421219 Enrollee - NPDES 5S 4DW0730 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/10/2018 None N
138683 WDR 5S 5C550106004 Historical WDRMUNILRG 77-180 06/24/1977 01/24/1986 Discharger 06/24/1977 None N
139840 WDR 5S 5C550106004 Historical WDRMUNILRG 86-019 01/24/1986 06/24/1994 Discharger 01/24/1986 None N
141787 Reclamation Requirements 5S 5C550106007 Historical REC 94-200 06/24/1994 12/04/2002 Discharger 06/24/1994 None N
421190 Enrollee - NPDES 5S 4DW0319 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/08/2018 None N
421192 Enrollee - NPDES 5S 4DW0320 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/08/2018 None N
421191 Enrollee - NPDES 5S 4DW0731 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/08/2018 None N
138973 Reclamation Requirements 5S 5C550106007 Historical REC 78-068 01/25/1978 01/23/1986 Discharger 01/25/1978 None N
421220 Enrollee - NPDES 5S 4DW0729 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2017 None Discharger 05/10/2018 None N
434855 401 Certification 5S 5B55CR00137 Historical CERFILLEXC None 06/30/2020 07/22/2022 Discharger 10/14/2019 None N
458273 Enrollee - NPDES SB 5B55AP00002 Active NPDNONMUNIPRCS 2013-0002-DWQ 05/23/2023 None Discharger 05/23/2023 None N
440436 Co-Permitee SB 5C550106004 Active SLIC 2020-0015-DWQ 07/09/2020 None Discharger 09/18/2020 None N
Total Regulatory Measures: 34
  
  
  
  
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.
1133345 05/23/2024 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Debris from Lateral caused 1432 gallons of sewage to spi Violation None SSO Tuolumne Utilities District CS 300980 2022-0103-DWQ N
1133344 04/07/2024 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Debris-General caused 832 gallons of sewage to spill fro Violation None SSO Tuolumne Utilities District CS 300980 2022-0103-DWQ N
1139912 01/29/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Other (specify below) caused 168 gallons of sewage to sp Violation None SSO Tuolumne Utilities District CS 300980 2022-0103-DWQ N
1139424 01/23/2025 Sanitary Sewer Overflow/Spill/ Type: Category 1 Spill; Debris-Rags caused 460 gallons of sewage to spill from M Violation None SSO Tuolumne Utilities District CS 300980 2022-0103-DWQ 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: 4
*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
239779 Notice of Violation None NOV 01/17/2002 for Tuolumne Utilities District Twain Harte WWTP WDRMUNILRG 01/17/2002 Historical
389687 Notice of Violation None NOV 03/22/2013 for Tuolumne Utilities District, Sonora WWTP and Jamestown WWTP NPDMUNILRG 03/22/2013 Historical
377047 Notice of Violation None NOV 12/24/2010 for Tuolumne Utilities District, Sonora Regional WWTP & Jamestown NPDMUNILRG 12/24/2010 Historical
392079 Notice of Violation None NOV 07/12/2013 for Tuolumne Utilities District, Tuolumne Utilities District CS SSOMUNILRG 07/12/2013 Historical
225906 Cease and Desist Order 5-00-002 CDO 5-00-002 for Tuolomne Utilities District, Sonora Regional WWTF WDRMUNILRG 01/27/2000 Historical
376801 Notice of Violation None NOV 11/24/2010 for Sonora Regional WWTP and Jamestown Sanitary District WWTP NPDMUNILRG 11/24/2010 Historical
384370 Notice of Violation None NOV 03/28/2012 for Tuolumne Utilities District, Sonora WWTP and Jamestown WWTP NPDMUNILRG 03/28/2012 Historical
385595 Notice of Violation None NOV 06/18/2012 for Tuolumne Utilities District, Sonora WWTP and Jamestown WWTP NPDMUNILRG 06/18/2012 Historical
387076 Oral Communication 87-043 Oral Communication with Tuolumne Utilities District Mi-Wuk Village WW System WDRMUNIOTH None Historical
232367 Cease and Desist Order R5-2002-0203 CDO R5-2002-0203 for Tuolumne Utilities District WDRMUNILRG 12/05/2002 Historical
238673 Notice of Violation None NOV 09/27/2001 for Tuolomne Utilities District, Sonora Regional WWTF WDRMUNILRG 09/27/2001 Historical
376399 Notice of Violation None NOV 10/26/2010 for Tuolumne Utilities District, Sonora WWTP and Jamestown WWTP NPDMUNILRG 10/26/2010 Historical
389884 Notice of Violation None NOV 04/15/2013 for Tuolumne Utilities District, Sonora WWTP and Jamestown WWTP NPDMUNILRG 04/15/2013 Historical
232335 Notice of Violation None NOV 12/17/1999 for TUD Tuolumne Co WW Recl Users REC 12/17/1999 Historical
238642 Notice of Violation None NOV 09/27/2001 for Tuolomne Utilities District, Sonora Regional WWTF WDRMUNILRG 09/27/2001 Historical
368967 Oral Communication None Oral Com 07/09/2008 for TUD Tuolumne Co WW Recl Users WDRMUNILRG 07/09/2008 Historical
372228 Notice of Violation None NOV 03/17/2010 for Tuolumne Utilities District, Sonora Regional WWTF (8/20/10) WDRMUNILRG 03/17/2010 Historical
378738 Notice of Violation None NOV 04/21/2011 for Tuolumne Utilities District, Sonora WWTP and Jamestown WWTP NPDMUNILRG 04/21/2011 Historical
387923 Time Schedule Order R5-2010-0908 TSO R5-2010-0908 for Tuolumne Utilities District, Sonora Regional WWTP NPDMUNILRG 12/13/2010 Historical
231922 Oral Communication None Oral Com 01/25/2001 for Tuolomne Utilities District, Sonora Regional WWTF WDRMUNILRG 01/25/2001 Historical
242414 Oral Communication None Oral Com 06/27/2003 for TUD Mi-Wuk Village WW System WDRMUNIOTH 06/27/2003 Historical
380818 Notice of Violation None NOV 08/05/2011 for Tuolumne Utilities District, Sonora WWTP and Jamestown WWTP NPDMUNILRG 08/05/2011 Historical
395480 Notice of Violation None NOV 03/26/2014 for Tuolumne Utilities District SSOMUNILRG 03/26/2014 Historical
415911 Notice of Violation None NOV for Tuolumne Utilities District WDRMUNILRG 08/22/2017 Historical
232368 Admin Civil Liability 99-511 ACLC 99-511 for TUD Sonora Regional WWTF & Tuolumne Co WW Recl Users WDRMUNILRG 12/16/1999 Historical
232434 Notice of Violation None NOV 03/10/2000 for Tuolomne Utilities District, Sonora Regional WWTF WDRMUNILRG 03/10/2000 Historical
251565 Notice of Violation None NOV 02/27/2004 for TUD Tuolumne Co WW Recl Users WDRMUNILRG 02/27/2004 Historical
382440 Notice of Violation None NOV 12/16/2011 for Tuolumne Utilities District, Tuolumne UD CS SSOMUNILRG 12/16/2011 Historical
389764 Notice of Violation None NOV 3/27/2013 Tuolumne Utilities District, Tuolumne Utilities District CS SSOMUNILRG 03/27/2013 Historical
434979 Notice of Violation None NOV 10/24/2019 for Tuolumne Co WW Recl Users WDRMUNILRG 10/24/2019 Historical
232282 Notice of Violation None NOV 03/22/2000 for Tuolomne Utilities District, Sonora Regional WWTF WDRMUNILRG 03/22/2000 Historical
251566 Notice of Violation None NOV 02/27/2004 for TUD Tuolumne Co WW Recl Users WDRMUNILRG 02/27/2004 Historical
380927 Notice of Violation None NOV 08/12/2011 for Tuolumne Utilities District, Sonora WWTP and Jamestown WWTP NPDMUNILRG 08/12/2011 Historical
387041 Notice of Violation None NOV 08/20/2012 for Tuolumne Utilities District, Tuolumne Utilities District CS SSOMUNILRG 08/20/2012 Historical
372610 Notice of Violation None NOV 10/14/2009 for Tuolumne Utilities District NPDMUNILRG 10/14/2009 Historical
379175 Notice of Violation None NOV 05/10/2011 for Tuolumne Utilities District, Sonora WWTP and Jamestown WWTP NPDMUNILRG 05/10/2011 Historical
375154 Oral Communication None Oral Com 7/23/2010 for TUD Sonora Regional WWTF (8/20/2010) WDRMUNILRG 07/23/2010 Historical
Total Enforcement Actions: 37
  
  
  
  
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.
Back to Main Page  |  Back to Top of Page

Conditions of Use | Privacy Policy
Copyright © 2024 State of California

The Board is one of six boards, departments, and offices under
the umbrella of the California Environmental Protection Agency.
Cal/EPA | ARB | DPR | DTSC | OEHHA | SWRCB