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CA3701793 · California

TWIN LAKES RESORT

Federal fiscal 2026Q3 · EPA violation and follow-up records

Violation records shown
51
EPA health-based flag
26
Health-based records unresolved in this snapshot
0
Monitoring and reporting records
24

Counties listed by EPA · San Diego County, California

Open the EPA system record

Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.

Violations and what followed

  1. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705423 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported September 22, 2026 · EPA return-to-compliance field March 31, 2026

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  2. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705422 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2025 · period end December 31, 2025 · first reported September 22, 2026 · EPA return-to-compliance field December 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  3. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705421 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2025 · period end September 30, 2025 · first reported September 22, 2026 · EPA return-to-compliance field September 30, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  4. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705420 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start April 1, 2025 · period end June 30, 2025 · first reported September 22, 2026 · EPA return-to-compliance field June 30, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  5. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705384 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2025 · period end June 30, 2025 · first reported September 19, 2025 · EPA return-to-compliance field June 30, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  6. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705419 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2025 · period end March 31, 2025 · first reported September 22, 2026 · EPA return-to-compliance field March 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  7. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705385 · Arsenic · Arsenic Rule

    Noncompliance period start January 1, 2025 · period end March 31, 2025 · first reported September 19, 2025 · EPA return-to-compliance field March 31, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  8. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705418 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2024 · period end December 31, 2024 · first reported September 22, 2026 · EPA return-to-compliance field December 31, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  9. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705386 · Arsenic · Arsenic Rule

    Noncompliance period start October 1, 2024 · period end December 31, 2024 · first reported September 19, 2025 · EPA return-to-compliance field December 31, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  10. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705417 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2024 · period end September 30, 2024 · first reported September 22, 2026 · EPA return-to-compliance field September 30, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  11. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705393 · Arsenic · Arsenic Rule

    Noncompliance period start July 1, 2024 · period end September 30, 2024 · first reported September 19, 2025 · EPA return-to-compliance field September 30, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  12. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705387 · Arsenic · Arsenic Rule

    Noncompliance period start July 1, 2024 · period end September 30, 2024 · first reported September 19, 2025 · EPA return-to-compliance field September 30, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  13. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705416 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start April 1, 2024 · period end June 30, 2024 · first reported September 22, 2026 · EPA return-to-compliance field June 30, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  14. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705388 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2024 · period end June 30, 2024 · first reported September 19, 2025 · EPA return-to-compliance field June 30, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  15. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705415 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2024 · period end March 31, 2024 · first reported September 22, 2026 · EPA return-to-compliance field March 31, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  16. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705389 · Arsenic · Arsenic Rule

    Noncompliance period start January 1, 2024 · period end March 31, 2024 · first reported September 19, 2025 · EPA return-to-compliance field March 31, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  17. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705414 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported September 22, 2026 · EPA return-to-compliance field December 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  18. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705381 · Arsenic · Arsenic Rule

    Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported February 15, 2024 · EPA return-to-compliance field December 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  19. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705413 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported September 22, 2026 · EPA return-to-compliance field September 30, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  20. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705380 · Arsenic · Arsenic Rule

    Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported February 15, 2024 · EPA return-to-compliance field September 30, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  21. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705426 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported September 22, 2026 · EPA return-to-compliance field June 30, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  22. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705412 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported September 22, 2026 · EPA return-to-compliance field June 30, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  23. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705392 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported September 19, 2025 · EPA return-to-compliance field June 30, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  24. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705411 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start January 1, 2023 · period end March 31, 2023 · first reported September 22, 2026 · EPA return-to-compliance field March 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  25. Monitoring or reporting · Archived

    Monitoring, RegularViolation 1705382 · Nitrate · Nitrate Rule

    Noncompliance period start January 1, 2023 · period end December 31, 2023 · first reported May 15, 2024 · EPA return-to-compliance field December 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606155March 4, 2024FormalState Administrative/Compliance Order with penalty issued
  26. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705379 · Arsenic · Arsenic Rule

    Noncompliance period start January 1, 2023 · period end March 31, 2023 · first reported February 15, 2024 · EPA return-to-compliance field March 31, 2023

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  27. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705397 · Combined Uranium · Radionuclides and Revised Rad Rule

    Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported September 22, 2026 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606159April 7, 2026InformalState Formal Notice of Violation issued
  28. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705378 · Arsenic · Arsenic Rule

    Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported February 15, 2024 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  29. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705377 · Arsenic · Arsenic Rule

    Noncompliance period start July 1, 2022 · period end September 30, 2022 · first reported February 15, 2024 · EPA return-to-compliance field September 30, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  30. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705376 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2022 · period end June 30, 2022 · first reported February 15, 2024 · EPA return-to-compliance field June 30, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  31. Monitoring or reporting · Archived

    Monitoring, RegularViolation 1705429 · Nitrate · Nitrate Rule

    Noncompliance period start January 1, 2022 · period end December 31, 2022 · first reported September 22, 2026 · EPA return-to-compliance field December 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606155March 4, 2024FormalState Administrative/Compliance Order with penalty issued
  32. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705375 · Arsenic · Arsenic Rule

    Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported February 15, 2024 · EPA return-to-compliance field March 31, 2022

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  33. Monitoring or reporting · Addressed by formal action

    Follow-up Or Routine LCR Tap M/RViolation 1705383 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start October 1, 2021 · first reported August 15, 2024

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606156August 5, 2024FormalState Administrative/Compliance Order with penalty issued
  34. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705374 · Arsenic · Arsenic Rule

    Noncompliance period start July 1, 2021 · period end September 30, 2021 · first reported February 15, 2024 · EPA return-to-compliance field September 30, 2021

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  35. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705373 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2021 · period end June 30, 2021 · first reported February 15, 2024 · EPA return-to-compliance field June 30, 2021

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  36. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705372 · Arsenic · Arsenic Rule

    Noncompliance period start January 1, 2021 · period end March 31, 2021 · first reported June 30, 2021 · EPA return-to-compliance field March 31, 2021

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  37. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705425 · Arsenic · Arsenic Rule

    Noncompliance period start October 1, 2020 · period end December 31, 2020 · first reported September 22, 2026 · EPA return-to-compliance field December 31, 2020

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  38. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705371 · Arsenic · Arsenic Rule

    Noncompliance period start July 1, 2020 · period end September 30, 2020 · first reported June 30, 2021 · EPA return-to-compliance field September 30, 2020

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  39. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705370 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2020 · period end June 30, 2020 · first reported June 30, 2021 · EPA return-to-compliance field June 30, 2020

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  40. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705369 · Arsenic · Arsenic Rule

    Noncompliance period start January 1, 2020 · period end March 31, 2020 · first reported June 30, 2021 · EPA return-to-compliance field March 31, 2020

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  41. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705424 · Arsenic · Arsenic Rule

    Noncompliance period start October 1, 2019 · period end December 31, 2019 · first reported September 22, 2026 · EPA return-to-compliance field December 31, 2019

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  42. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705391 · Arsenic · Arsenic Rule

    Noncompliance period start October 1, 2019 · period end December 31, 2019 · first reported September 19, 2025 · EPA return-to-compliance field December 31, 2019

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  43. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705368 · Arsenic · Arsenic Rule

    Noncompliance period start July 1, 2019 · period end September 30, 2019 · first reported June 30, 2021 · EPA return-to-compliance field September 30, 2019

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  44. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705367 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2019 · period end June 30, 2019 · first reported June 30, 2021 · EPA return-to-compliance field June 30, 2019

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  45. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705366 · Arsenic · Arsenic Rule

    Noncompliance period start January 1, 2019 · period end March 31, 2019 · first reported June 30, 2021 · EPA return-to-compliance field March 31, 2019

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  46. EPA health-based flag · Archived

    Maximum Contaminant Level Violation, AverageViolation 1705365 · Arsenic · Arsenic Rule

    Noncompliance period start October 1, 2018 · period end December 31, 2018 · first reported June 30, 2021 · EPA return-to-compliance field December 31, 2018

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606148December 13, 2016FormalState Administrative/Compliance Order without penalty issued
  47. Monitoring or reporting · Archived

    Monitoring, Check/Repeat/ConfirmationViolation 1705390 · Arsenic · Arsenic Rule

    Noncompliance period start April 1, 2017 · period end June 30, 2017 · first reported September 19, 2025 · EPA return-to-compliance field June 30, 2017

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  48. Other or unclassified · Addressed by formal action

    Public Notification Violation for NPDWR ViolationViolation 1705394 · Public Notice · Public Notice Rule and Revised PN Rule

    Noncompliance period start December 23, 2016 · first reported September 19, 2025

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    1606157August 4, 2025FormalState Administrative/Compliance Order with penalty issued
  49. Monitoring or reporting · Addressed by formal action

    Initial Tap Sampling for Pb and CuViolation 902938 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start April 14, 2009 · first reported August 19, 2014

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    903606April 24, 2009FormalState Administrative/Compliance Order without penalty issued
  50. Monitoring or reporting · Addressed by formal action

    Initial Tap Sampling for Pb and CuViolation 702362 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start June 25, 2007 · first reported August 19, 2014

    1 linked action
    Enforcement and resolution records linked by EPA
    Action IDDateCategoryEPA action type
    702745July 5, 2007FormalState Administrative/Compliance Order without penalty issued
  51. Monitoring or reporting · Unaddressed by formal action

    Initial Tap Sampling for Pb and CuViolation 95V0001 · Lead and Copper Rule · Lead and Copper Rule

    Noncompliance period start July 1, 1993 · first reported December 12, 1995

    No linked action row appears in the records shown.

EPA data and scope

How to read the records

The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.

EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility