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California Integrated Water Quality System Project (CIWQS)
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Place ID 206653 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
3 206653 Atascadero WWTP Wastewater Treatment Facility 8005 Gabarda Atascadero, CA, 93422-4708 San Luis Obispo
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
147245 Person Jon Rokke Case Worker 12/02/2014
297266 Person David LaCaro Case Worker 10/26/2010 12/01/2014
2331 Organization Atascadero City Owner City Agency 02/01/2000
Total Related Parties: 3
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
453001 Enrollee - WDR 3 WDRMUNILRG R3-2020-0020 3 400100001 06/06/2023 09/24/2030 Active N
440272 Co-Permitee SB SLIC 2020-0015-DWQ 3 400100001 07/09/2020 Active N
142083 WDR 3 WDRMUNILRG 01-014 3 400100001 03/23/2001 03/23/2011 Historical N
143391 WDR 3 WDRMUNILRG 88-084 3 400100001 07/08/1988 07/20/2000 Historical Y
143011 WDR 3 WDRMUNILRG 81-060 3 400100001 06/12/1981 06/01/1986 Historical N
Total Reg Measures: 5
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1143412 03/31/2025 CAT1 Biochemical Oxygen Demand (BOD) (5-day @ 20 Deg. C) Monthly Average (Mean) limit is 30 mg/L and reported value was 59.3 mg/L. Violation B Report
1143420 03/31/2025 CAT1 Chloride Monthly Median limit is 70 mg/L and reported value was 198 mg/L. Violation B Report
1143429 03/31/2025 CAT1 Nitrogen, Total (as N) Monthly Median limit is 10 mg/L and reported value was 29.0 mg/L. Violation B Report
1143423 03/31/2025 CAT1 Sodium, Total Monthly Median limit is 65.0 mg/L and reported value was 136.0 mg/L. Violation B Report
1143417 03/31/2025 CAT1 Sulfate, Total (as S) Monthly Average (Mean) limit is 85 mg/L and reported value was 216.0 mg/L. Violation B Report
1143426 03/31/2025 CAT1 Sulfate, Total (as S) Monthly Median limit is 85 mg/L and reported value was 182 mg/L. Violation B Report
1143418 03/31/2025 CAT1 Total Dissolved Solids (TDS) Monthly Median limit is 550 mg/L and reported value was 950.0 mg/L. Violation B Report
1143433 03/31/2025 Surface Water Flow exceeded limit on 3/15/2025 with 97,000, 3/22/25 with 90,667, 3/23/2025 90,677 and 3/27/2025 with 96,000 GPD. Blockage was cleared with jetter truck. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 8 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
CAT1 = Category 1 Pollutant (Effluent Violation for Group 1 Pollutant) Surface Water = Surface Water
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
304739 Oral Communication 06/07/2005 Historical
228013 Notice of Violation 08/22/2000 Historical
226798 Oral Communication 10/29/1999 Historical
221447 Cease and Desist Order 92-068 07/10/1992 Active
221697 Clean-up and Abatement Order 89-089 03/14/1989 Historical
Total Enf Actions: 5
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
27449212 B Type compliance inspection Jon Rokke 02/02/2017 N 0 N/A
13801364 B Type compliance inspection David LaCaro 08/29/2013 N 0 N/A
2318530 B Type compliance inspection David LaCaro 05/12/2010 N 0 Download
1121814 B Type compliance inspection David LaCaro 06/14/2007 Y 0 N/A
431344 B Type compliance inspection Tom Kukol 11/18/2005 Y 0 N/A
334814 B Type compliance inspection Tom Kukol 06/10/2004 Y 0 N/A
292495 B Type compliance inspection David Athey 08/27/2001 Y 0 N/A
292494 B Type compliance inspection Tom Kukol 06/28/2001 Y 0 N/A
292503 B Type compliance inspection Ron Sherer 10/26/1999 Y 0 N/A
292502 B Type compliance inspection Ron Sherer 09/20/1999 Y 0 N/A
292500 B Type compliance inspection Ron Sherer 03/24/1999 Y 0 N/A
292501 B Type compliance inspection Ron Sherer 03/03/1998 Y 0 N/A
292499 A Type compliance inspection Ron Sherer 09/19/1996 Y 0 N/A
292498 B Type compliance inspection Ron Sherer 03/19/1996 Y 0 N/A
292497 B Type compliance inspection Ron Sherer 01/31/1996 Y 0 N/A
292496 B Type compliance inspection Ron Sherer 01/11/1995 Y 0 N/A
Total Inspections: 16 Last Inspection: 02/02/2017
  
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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