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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
637152 Gretchen Heisdorf 455 West Fir Avenue Clovis, CA 93611 559-449-2700 gheisdorf@ppeng.com
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
523116 Riverside Cnty Organization Data Submitter 06/29/2025 None County Agency
37505 Riverside Cnty Service Area #51 Organization Data Submitter 06/29/2025 None County Agency
26216 Los Banos Urban Area SW System Organization Data Submitter 02/01/2023 None City Agency
4800 Blythe City Organization Data Submitter 06/29/2025 None City Agency
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?
Total Regulatory Measures: 0
  
  
  
  
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.
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: 0
*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
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
460466 Blythe City Enrollee - WDR WDRMUNIENROTH 06/11/2025 Active
458307 Riverside Cnty Enrollee - WDR WDRMUNIOTH 08/28/2024 Active
440330 Blythe City Co-Permitee SLIC 07/09/2020 Active
407226 Blythe City WDR WDRMUNILRG 06/30/2016 Active
389003 Riverside Cnty Service Area #51 WDR WDRMUNIOTH 03/20/2014 Active
379905 Blythe City Enrollee NPDNONMUNIPRCS 06/18/2011 Active
329887 Blythe City Enrollee WDRNONMUNIPRCS 09/30/2005 Historical
318776 Los Banos Urban Area SW System Enrollee - WDR SSOMUNILRG 01/09/2007 Active
304574 Blythe City WDR WDRMUNILRG 09/08/2005 Historical
300490 Riverside Cnty Service Area #51 Enrollee SSOMUNISML 08/14/2006 Active
300380 Blythe City Enrollee SSOMUNISML 12/13/2006 Active
300375 Blythe City Enrollee SSOMUNISML 12/13/2006 Active
260497 Riverside Cnty Letter WDR None Historical
260485 Riverside Cnty Letter WDR None Historical
260484 Riverside Cnty Letter WDR None Historical
259214 Riverside Cnty Letter WDR None Historical
259202 Riverside Cnty Letter WDR None Historical
259201 Riverside Cnty Letter WDR None Historical
259168 Riverside Cnty Letter WDR None Historical
259162 Riverside Cnty Letter WDR None Historical
259149 Riverside Cnty Letter WDR None Historical
259147 Riverside Cnty Letter WDR None Historical
259146 Riverside Cnty Letter WDR None Historical
214404 Riverside Cnty Co-Permitee MNSTW1 05/13/1998 Historical
214334 Riverside Cnty 401 Certification CERFILLEXC 08/05/2004 Historical
211121 Riverside Cnty Enrollee CONSTW 01/19/2001 Historical
173216 Los Banos Urban Area SW System Enrollee MNSTW2 07/23/2007 Historical
170824 Blythe City Enrollee WDRNONMUNIPRCS 09/03/2003 Historical
166354 Riverside Cnty 401 Certification CERFILLEXC None Historical
165649 Riverside Cnty 401 Certification CERFILLEXC 11/07/2000 Historical
164248 Riverside Cnty 401 Certification CERFILLEXC None Historical
163704 Riverside Cnty 401 Certification CERFILLEXC None Historical
161186 Riverside Cnty 401 Certification CERFILLEXC None Historical
140562 Riverside Cnty NPDES Permit MNSTW1 03/08/1996 Historical
136620 Blythe City WDR WDRMUNILRG 05/17/1994 Historical
136185 Riverside Cnty Service Area #51 WDR WDRMUNIOTH 06/28/1995 Historical
135702 Blythe City WDR WDRMUNILRG 01/21/1987 Historical
135662 Blythe City WDR WDRMUNILRG 11/18/1992 Historical
135450 Riverside Cnty Service Area #51 WDR WDRMUNIOTH 03/13/1985 Historical
135380 Blythe City WDR WDRMUNILRG 11/16/1983 Historical
135136 Blythe City WDR WDRMUNILRG 09/19/1990 Historical
135096 Riverside Cnty Service Area #51 WDR WDRMUNIOTH 03/14/1990 Historical
134569 Blythe City WDR WDRMUNILRG 07/11/1979 Historical
134511 Riverside Cnty Service Area #51 WDR WDRMUNIOTH 01/25/1978 Historical
131623 Blythe City WDR WDRMUNILRG 01/15/2003 Historical
Total Regulatory Measures linked to Related Parties: 45
  
  
The current report was generated with data as of: 10/24/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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