CA2000506 · California
SIERRA LINDA MUTUAL WATER CO
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 43
- EPA health-based flag
- 42
- Health-based records unresolved in this snapshot
- 1
- Monitoring and reporting records
- 1
Counties listed by EPA · Madera County, California
Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.
Violations and what followed
EPA health-based flag · Unaddressed by formal action
LSL InventoryViolation 1400105 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule RevisionsNoncompliance period start October 17, 2024 · first reported April 1, 2025
No linked action row appears in the records shown.EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400135 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start April 1, 2026 · period end June 30, 2026 · first reported September 22, 2026 · EPA return-to-compliance field June 30, 2026
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400134 · Arsenic · Arsenic RuleNoncompliance period start April 1, 2026 · period end June 30, 2026 · first reported September 22, 2026 · EPA return-to-compliance field June 30, 2026
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400131 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 22, 2026 · EPA return-to-compliance field March 31, 2026
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400130 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start January 1, 2026 · period end March 31, 2026 · first reported June 22, 2026 · EPA return-to-compliance field March 31, 2026
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400123 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start October 1, 2025 · period end December 31, 2025 · first reported March 20, 2026 · EPA return-to-compliance field December 31, 2025
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400122 · Arsenic · Arsenic RuleNoncompliance period start October 1, 2025 · period end December 31, 2025 · first reported March 20, 2026 · EPA return-to-compliance field December 31, 2025
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400118 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start July 1, 2025 · period end September 30, 2025 · first reported March 20, 2026 · EPA return-to-compliance field September 30, 2025
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400117 · Arsenic · Arsenic RuleNoncompliance period start July 1, 2025 · period end September 30, 2025 · first reported March 20, 2026 · EPA return-to-compliance field September 30, 2025
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400113 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance 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 ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400112 · Arsenic · Arsenic RuleNoncompliance 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 ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400108 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start January 1, 2025 · period end March 31, 2025 · first reported June 3, 2025 · EPA return-to-compliance field March 31, 2025
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400107 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2025 · period end March 31, 2025 · first reported June 3, 2025 · EPA return-to-compliance field March 31, 2025
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Unaddressed by formal action
LSL ReportingViolation 1400106 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule RevisionsNoncompliance period start October 17, 2024 · first reported April 1, 2025
No linked action row appears in the records shown.EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400100 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start October 1, 2024 · period end December 31, 2024 · first reported February 24, 2025 · EPA return-to-compliance field December 31, 2024
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400099 · Arsenic · Arsenic RuleNoncompliance period start October 1, 2024 · period end December 31, 2024 · first reported February 24, 2025 · EPA return-to-compliance field December 31, 2024
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400095 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start April 1, 2024 · period end June 30, 2024 · first reported August 15, 2024 · EPA return-to-compliance field June 30, 2024
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400094 · Arsenic · Arsenic RuleNoncompliance period start April 1, 2024 · period end June 30, 2024 · first reported August 15, 2024 · EPA return-to-compliance field June 30, 2024
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400092 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start January 1, 2024 · period end March 31, 2024 · first reported May 15, 2024 · EPA return-to-compliance field March 31, 2024
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400089 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2024 · period end March 31, 2024 · first reported May 15, 2024 · EPA return-to-compliance field March 31, 2024
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400087 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance 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 ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400086 · Arsenic · Arsenic RuleNoncompliance 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 ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400082 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported November 15, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400081 · Arsenic · Arsenic RuleNoncompliance period start July 1, 2023 · period end September 30, 2023 · first reported November 15, 2023 · EPA return-to-compliance field September 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400074 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start April 1, 2023 · period end June 30, 2023 · first reported August 16, 2023 · EPA return-to-compliance field June 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400071 · Arsenic · Arsenic RuleNoncompliance period start April 1, 2023 · period end June 30, 2023 · first reported August 16, 2023 · EPA return-to-compliance field June 30, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400079 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2023 · period end March 31, 2023 · first reported October 2, 2023 · EPA return-to-compliance field March 31, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400073 · Combined Uranium · Radionuclides and Revised Rad RuleNoncompliance period start January 1, 2023 · period end March 31, 2023 · first reported August 16, 2023 · EPA return-to-compliance field March 31, 2023
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, AverageViolation 1400072 · Arsenic · Arsenic RuleNoncompliance period start October 1, 2022 · period end December 31, 2022 · first reported August 16, 2023 · EPA return-to-compliance field December 31, 2022
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400070 · Arsenic · Arsenic RuleNoncompliance period start July 1, 2022 · period end September 30, 2022 · first reported November 17, 2022 · EPA return-to-compliance field September 30, 2022
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400068 · Arsenic · Arsenic RuleNoncompliance period start April 1, 2022 · period end June 30, 2022 · first reported November 17, 2022 · EPA return-to-compliance field June 30, 2022
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400067 · Arsenic · Arsenic RuleNoncompliance period start April 1, 2022 · period end June 30, 2022 · first reported November 17, 2022 · EPA return-to-compliance field June 30, 2022
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400066 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2022 · period end March 31, 2022 · first reported November 17, 2022 · EPA return-to-compliance field March 31, 2022
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400065 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2022 · period end March 31, 2022 · first reported November 17, 2022 · EPA return-to-compliance field March 31, 2022
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400064 · Arsenic · Arsenic RuleNoncompliance period start October 1, 2021 · period end December 31, 2021 · first reported February 16, 2022 · EPA return-to-compliance field December 31, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400062 · Arsenic · Arsenic RuleNoncompliance period start October 1, 2021 · period end December 31, 2021 · first reported February 16, 2022 · EPA return-to-compliance field December 31, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400063 · Arsenic · Arsenic RuleNoncompliance period start July 1, 2021 · period end September 30, 2021 · first reported February 16, 2022 · EPA return-to-compliance field September 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400061 · Arsenic · Arsenic RuleNoncompliance period start July 1, 2021 · period end September 30, 2021 · first reported February 16, 2022 · EPA return-to-compliance field September 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400060 · Arsenic · Arsenic RuleNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported February 16, 2022 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400059 · Arsenic · Arsenic RuleNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported February 16, 2022 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400058 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported February 16, 2022 · EPA return-to-compliance field March 31, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400057 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2021 · period end March 31, 2021 · first reported August 12, 2021 · EPA return-to-compliance field March 31, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 1400056 · Arsenic · Arsenic RuleNoncompliance period start October 1, 2020 · period end December 31, 2020 · first reported August 12, 2021 · EPA return-to-compliance field December 31, 2020
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1502562 June 10, 2015 Formal State Administrative/Compliance Order without penalty issued
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.
- We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
- EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
- Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
- We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.
EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility