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California Integrated Water Quality System Project (CIWQS)
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Place ID 631940 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
9 631940 4-S Ranch CS Collection_System 1966 Olivenhain Encinitas, CA, 92024 San Diego
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
512833 Person John Onkka Is Onsite Manager For 10/29/2009
32563 Organization Olivenhain Municipal Water District Owner City Agency 04/06/2006
536470 Person Chad Anthony Davisson Is Onsite Manager For 04/06/2006 09/28/2012
93462 Person George Briest Contact 06/17/2005 05/11/2020
Total Related Parties: 4
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
300481 Enrollee 9 SSOMUNISML 2022-0103-DWQ 9SSO10644 11/21/2006 Active N
214032 Enrollee 9 SSOMUNISML R9-2007-0005 9 000000906 03/08/2000 Active N
Total Reg Measures: 2
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1140898 02/06/2025 SSOS Type: Category 1 Spill; Pipe Structural Problem/Failure - Installation caused 20200 gallons of sewage to spill from Force Main at Firehouse Sewer Pump Station to Other (specify below),Paved Surface Plan Rehabilitation or Replacement of Sewer,Repaired Facilities or Replaced Defect. See above. The full run of ductile iron was replaced and now the force main pipe is 100% PVC. Violation B SSO
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 1 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
SSOS = Sanitary Sewer Overflow/Spill/
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
397678 Staff Enforcement Letter Historical
427531 Staff Enforcement Letter null 12/11/2018 Historical
392978 Staff Enforcement Letter null 09/05/2013 Historical
379911 Staff Enforcement Letter 06/28/2011 Historical
375434 Staff Enforcement Letter 08/17/2010 Historical
373133 Notice of Violation R9-2010-0051 02/22/2010 Historical
256231 Notice of Violation 03/11/2005 Historical
248242 Staff Enforcement Letter 08/20/2002 Historical
Total Enf Actions: 8
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
Total Inspections: 0 Last Inspection: None
  
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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