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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
42504 Sunnyslope County Water District Special District 3570 Airline Highway Hollister, CA 95023-9702 831-637-4670 drew@sunnyslopewater.org
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
631803 Sunnyslope CWD CS San Benito 3 Collection_System Owner 04/06/2006 None
631724 Ridgemark Estates CS San Benito 3 Collection_System Owner 04/06/2006 None
252700 Ridgemark Estates WWTP San Benito 3 Wastewater Treatment Facility Owner 06/07/2000 None
826549 Sunnyslope County Water District WS San Benito 3 Utility Structure Owner and Operator 07/01/2016 None
Total Related Places: 4
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
558239 Rob Hillebrecht Person Employee 07/01/2016 None None
531215 Jim Filice Person Data Submitter 01/11/2012 None None
633433 Drew Lander Person Employee 06/03/2022 None None
633433 Drew Lander Person Legally Responsible Official 11/20/2023 None None
499222 Don Ridenhour Person Legally Responsible Official 01/11/2012 06/09/2023 None
641703 Dee J Burbank Person Data Submitter 09/18/2023 None None
56735 Bryan Yamaoka Person Legally Responsible Official 04/06/2006 None None
56735 Bryan Yamaoka Person Legal representative 06/07/2000 None None
Total Related Parties: 8
  
  
  
  
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?
133135 WDR 3 3 351000001 Historical WDRMUNILRG R3-2004-0065 12/03/2004 05/26/2022 Discharger 12/03/2004 None Y
143852 WDR 3 3 351000001 Historical WDRMUNILRG 89-058 04/14/1989 12/02/2004 Discharger 04/14/1989 None N
447918 Enrollee - WDR 3 3 351000001 Active WDRMUNILRG R3-2020-0020 05/27/2022 None Discharger 06/03/2022 None N
133134 WDR 3 3 351000001 Historical WDRMUNILRG 04-0188 12/03/2004 None Discharger 12/03/2004 None N
143004 WDR 3 3 351000001 Historical WDRMUNILRG 81-023 05/08/1981 04/13/1989 Discharger 05/08/1981 None N
299891 Enrollee 3 3SSO10311 Historical SSOMUNISML 2006-0003-DWQ 08/15/2006 06/04/2023 Discharger 04/10/2006 None N
453651 Enrollee - WDR 3 3SSO20018 Active SSOMUNISML 2022-0103-DWQ 07/13/2023 None Discharger 07/26/2023 None N
407855 Enrollee - NPDES 3 4DW0112 Active NPDNONMUNIPRCS 2014-0194-DWQ 07/01/2016 None Discharger 07/01/2016 None N
Total Regulatory Measures: 8
  
  
  
  
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.
1131548 10/31/2023 Groundwater MW-6 sodium limit is 200 mg/L and reported value was 250 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1119119 04/12/2023 Groundwater MW-6 TDS limit is 1200 mg/L and reported value was 1300 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1143397 03/31/2025 Groundwater MW-2 total nitrogen limit is 5.0 mg/L and reported value was 7.54 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1119118 04/12/2023 Groundwater MW-2 total nitrogen limit is 5.0 mg/L and reported value was 7.63 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1145552 06/30/2025 CAT1 Nitrogen, Total (as N) 30-Day Average limit is 5 mg/L and reported value was 7.5 Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1130361 06/30/2024 Groundwater MW-6 and MW-2 chloride limit is 150 mg/L and reported values were 519 and 174 mg Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1127840 01/06/2024 Groundwater MW-6 and MW-2 chloride limit is 150 mg/L and reported values were 521 and 178 mg Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1113004 10/11/2022 Groundwater MW-2 total nitrogen limit is 5.0 mg/L and reported value was 8.2 mg/L. Violation N Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1127842 01/06/2024 Groundwater MW-6 TDS limit is 1200 mg/L and reported value was 1344 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1131546 10/31/2023 Groundwater MW-6 and MW-2 chloride limit is 150 mg/L and reported value of 560 mg/L respecti Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1143399 03/31/2025 Groundwater MW-2 Chloride Monthly Average limit is 150.0 mg/L and reported value was 170 mg/ Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1131547 10/31/2023 Groundwater MW-6 TDS limit is 1200 mg/L and reported value was 1400 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1113001 10/11/2022 Groundwater MW-6 and MW-2 chloride limit is 150 mg/L and reported values were 590 and 180 mg Violation N Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1143400 06/30/2025 CAT1 Chloride 30-Day Average limit is 150.0 mg/L and reported value was 168.0 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1119121 04/12/2023 Groundwater MW-6 and MW-2 chloride limit is 150 mg/L and reported values were 573 and 188 mg Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1113002 10/11/2022 Groundwater MW-6 TDS limit is 1200 mg/L and reported value was 1300 mg/L. Violation N Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1135566 07/31/2024 Groundwater MW-6 TDS limit is 1200 mg/L and reported value was 1700 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1145553 06/30/2025 CAT1 Total Dissolved Solids (TDS) 30-Day Average limit is 1200.0 mg/L and reported va Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1130362 07/31/2024 Groundwater MW-2 total nitrogen limit is 5.0 mg/L and reported value was 7.78 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1127841 01/06/2024 Groundwater MW-2 total nitrogen limit is 5.0 mg/L and reported value was 7.74 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1127843 01/06/2024 Groundwater MW-6 sodium limit is 200 mg/L and reported value was 249 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1130364 06/30/2024 Groundwater MW-6 sodium limit is 200 mg/L and reported value was 249 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1113003 10/11/2022 Groundwater MW-6 sodium limit is 200 mg/L and reported value was 200 mg/L. Violation N Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1130363 06/30/2024 Groundwater MW-6 TDS limit is 1200 mg/L and reported value was 1344 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1121975 09/14/2023 Groundwater MW-2 total nitrogen limit is 5.0 mg/L and reported value was 7.53 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1119120 04/12/2023 Groundwater MW-6 sodium limit is 200 mg/L and reported value was 273 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1121973 09/14/2023 Groundwater MW-6 sodium limit is 200 mg/L and reported value was 253 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1143398 03/31/2025 Groundwater MW-6 TDS limit is 1200 mg/L and reported value was 1422 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1121974 09/14/2023 Groundwater MW-6 TDS limit is 1200 mg/L and reported value was 1375 mg/L. Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1121976 09/14/2023 Groundwater MW-6 and MW-2 chloride limit is 150 mg/L and reported values were 553 and 183 mg Violation None Report Ridgemark Estates WWTP 447918 R3-2020-0020 N
1100858 12/07/2021 CAT1 Chloride 30-Day Average limit is 200 mg/L and reported value was 330 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1096932 09/11/2021 CAT1 Sodium, Total 30-Day Average limit is 200 mg/L and reported value was 250 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1100854 10/10/2021 CAT1 Chloride 30-Day Average limit is 200 mg/L and reported value was 340 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1106821 06/08/2022 CAT1 Sodium, Total 30-Day Average limit is 200.0 mg/L and reported value was 2450 mg/ Violation None Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1106819 04/06/2022 CAT1 Sodium, Total 30-Day Average limit is 200.0 mg/L and reported value was 230 mg/L Violation None Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1100853 10/10/2021 CAT1 Sodium, Total 30-Day Average limit is 200 mg/L and reported value was 230 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1100857 11/08/2021 CAT1 Chloride 30-Day Average limit is 200 mg/L and reported value was 310 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1096933 07/22/2021 CAT1 Chloride 30-Day Average limit is 200 mg/L and reported value was 320 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1106824 06/08/2022 CAT1 Chloride 30-Day Average limit is 200.0 mg/L and reported value was 320 mg/L. Violation None Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1100855 11/08/2021 CAT1 Sodium, Total 30-Day Average limit is 200 mg/L and reported value was 260 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1096938 09/11/2021 CAT1 Chloride 30-Day Average limit is 200 mg/L and reported value was 330 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1139760 11/21/2024 CAT1 Total Dissolved Solids (TDS) 30-Day Average limit is 1200 mg/L and reported valu Violation None Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1106823 05/04/2022 CAT1 Chloride 30-Day Average limit is 200.0 mg/L and reported value was 290 mg/L. Violation None Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1096929 07/22/2021 CAT1 Sodium, Total 30-Day Average limit is 200 mg/L and reported value was 230 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1135565 07/31/2024 CAT1 Chloride 30-Day Average limit is 200.0 mg/L and reported value was 320 mg/L. Violation None Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1106822 04/06/2022 CAT1 Chloride 30-Day Average limit is 200.0 mg/L and reported value was 300 mg/L. Violation None Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1096935 08/13/2021 CAT1 Chloride 30-Day Average limit is 200 mg/L and reported value was 310 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1106820 05/04/2022 CAT1 Sodium, Total 30-Day Average limit is 200.0 mg/L and reported value was 260 mg/L Violation None Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1100856 12/07/2021 CAT1 Sodium, Total 30-Day Average limit is 200 mg/L and reported value was 260 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 N
1096931 08/13/2021 CAT1 Sodium, Total 30-Day Average limit is 200 mg/L and reported value was 250 mg/L. Violation N Report Ridgemark Estates WWTP 133135 R3-2004-0065 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: 50
*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
227493 Notice of Violation UNKNOWN Enforcement - 3 351000001 WDRMUNILRG 03/09/2001 Historical
244017 Notice of Violation UNKNOWN Enforcement - 3 351000001 WDR 05/21/2003 Historical
227410 Notice of Violation UNKNOWN Enforcement - 3 351000001 WDRMUNILRG 11/20/2000 Historical
227060 13267 Letter UNKNOWN Enforcement - 3 351000001 WDRMUNILRG 12/13/1999 Historical
227609 Notice of Violation UNKNOWN Enforcement - 3 351000001 WDRMUNILRG 04/25/2000 Historical
227547 Notice of Violation UNKNOWN Enforcement - 3 351000001 WDRMUNILRG 05/09/2000 Historical
227353 13267 Letter UNKNOWN Enforcement - 3 351000001 WDRMUNILRG 09/05/2000 Historical
381680 Notice of Violation None NOV 10/12/11 for Sunnyslope CWD - Ridgemark Estates WWTP WDRMUNILRG 10/12/2011 Historical
376295 Notice of Violation None NOV 8-9-10 for Ridgemark Estates WWTP SMR Viols WDR 08/09/2010 Historical
350984 Notice of Violation None NOV for Sunnyslope CWD WDRMUNILRG 12/03/2004 Historical
378653 Notice of Violation None NOV for Sunnyslope CWD - Ridgemark Estates WWTP WDRMUNILRG 04/27/2011 Historical
Total Enforcement Actions: 11
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
407855 Rob Hillebrecht Enrollee - NPDES NPDNONMUNIPRCS 07/01/2016 Active
447918 Drew Lander Enrollee - WDR WDRMUNILRG 05/27/2022 Active
447918 Drew Lander Enrollee - WDR WDRMUNILRG 05/27/2022 Active
133135 Drew Lander WDR WDRMUNILRG 12/03/2004 Historical
133135 Drew Lander WDR WDRMUNILRG 12/03/2004 Historical
Total Regulatory Measures linked to Related Parties: 5
  
  
The current report was generated with data as of: 11/11/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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