AZ0410144 · Arizona

GW SAGUARO DIST WATER CO - RINCON

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

Violation records shown: 24
EPA health-based flag: 17
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 4

Counties listed by EPA · Pima County, Arizona

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

Violations and what followed

Among 24 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 90 days. The interval uses the reporting periods and dates on file.

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1338 · Fluoride · Inorganic Chemicals

Noncompliance period start January 1, 2025 · period end March 31, 2025 · first reported February 24, 2026 · EPA return-to-compliance field March 31, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
519	May 21, 2025	Informal	State Violation/Reminder Notice
520	May 21, 2025	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1337 · Fluoride · Inorganic Chemicals

Noncompliance period start October 1, 2024 · period end December 31, 2024 · first reported February 18, 2025 · EPA return-to-compliance field December 31, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
515	January 15, 2025	Informal	State Violation/Reminder Notice
516	January 15, 2025	Informal	State Public Notification requested
518	January 31, 2025	Informal	State Public Notification received
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1336 · Fluoride · Inorganic Chemicals

Noncompliance period start July 1, 2024 · period end September 30, 2024 · first reported February 24, 2026 · EPA return-to-compliance field September 30, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
514	October 21, 2024	Informal	State Public Notification received
511	November 5, 2024	Informal	State Violation/Reminder Notice
512	November 5, 2024	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved
Monitoring, RegularViolation 1335 · Fluoride · Inorganic Chemicals
Noncompliance period start July 1, 2024 · period end September 30, 2024 · first reported February 24, 2026 · EPA return-to-compliance field September 30, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
508 November 5, 2024 Informal State Violation/Reminder Notice
510 November 5, 2024 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
508	November 5, 2024	Informal	State Violation/Reminder Notice
510	November 5, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1334 · Fluoride · Inorganic Chemicals

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

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
504	May 1, 2024	Informal	State Violation/Reminder Notice
505	May 1, 2024	Informal	State Public Notification requested
507	May 10, 2024	Informal	State Public Notification received
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1333 · Fluoride · Inorganic Chemicals

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

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
503	April 3, 2024	Informal	State Public Notification received
500	April 9, 2024	Informal	State Violation/Reminder Notice
501	April 9, 2024	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1332 · Fluoride · Inorganic Chemicals

Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported February 24, 2026 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
496	December 22, 2023	Informal	State Violation/Reminder Notice
497	December 22, 2023	Informal	State Public Notification requested
498	December 22, 2023	Informal	State Public Notification received
522	June 10, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved
Follow-up Or Routine LCR Tap M/RViolation 1331 · Lead and Copper Rule · Lead and Copper Rule
Noncompliance period start October 1, 2023 · period end November 1, 2023 · first reported February 24, 2026 · EPA return-to-compliance field November 1, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
492 November 1, 2023 Informal State Violation/Reminder Notice
495 November 1, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 1330 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported November 15, 2023 · EPA return-to-compliance field September 30, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
489 October 25, 2023 Informal State Violation/Reminder Notice
491 October 25, 2023 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
492	November 1, 2023	Informal	State Violation/Reminder Notice
495	November 1, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
489	October 25, 2023	Informal	State Violation/Reminder Notice
491	October 25, 2023	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1329 · Fluoride · Inorganic Chemicals

Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported February 24, 2026 · EPA return-to-compliance field September 30, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
485	September 8, 2023	Informal	State Violation/Reminder Notice
486	September 8, 2023	Informal	State Public Notification requested
488	September 8, 2023	Informal	State Public Notification received
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1328 · Fluoride · Inorganic Chemicals

Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported February 24, 2026 · EPA return-to-compliance field June 30, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
481	August 2, 2023	Informal	State Violation/Reminder Notice
482	August 2, 2023	Informal	State Public Notification requested
484	August 2, 2023	Informal	State Public Notification received
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1327 · Fluoride · Inorganic Chemicals

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

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
477	April 10, 2023	Informal	State Violation/Reminder Notice
478	April 10, 2023	Informal	State Public Notification requested
480	April 13, 2023	Informal	State Public Notification received
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1326 · Fluoride · Inorganic Chemicals

Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported February 15, 2023 · EPA return-to-compliance field December 31, 2022

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
474	January 3, 2023	Informal	State Violation/Reminder Notice
475	January 3, 2023	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1325 · Fluoride · Inorganic Chemicals

Noncompliance period start July 1, 2022 · period end September 30, 2022 · first reported December 29, 2022 · EPA return-to-compliance field September 30, 2022

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
471	November 25, 2022	Informal	State Violation/Reminder Notice
472	November 25, 2022	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1324 · Fluoride · Inorganic Chemicals

Noncompliance period start April 1, 2022 · period end June 30, 2022 · first reported September 29, 2022 · EPA return-to-compliance field June 30, 2022

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
468	August 31, 2022	Informal	State Violation/Reminder Notice
469	August 31, 2022	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1323 · Fluoride · Inorganic Chemicals

Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported May 16, 2022 · EPA return-to-compliance field March 31, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
467	April 5, 2022	Informal	State Public Notification received
464	April 18, 2022	Informal	State Violation/Reminder Notice
465	April 18, 2022	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

Other or unclassified · Resolved
Consumer Confidence Report Inadequate ReportingViolation 1321 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start October 2, 2021 · period end October 25, 2021 · first reported February 16, 2022 · EPA return-to-compliance field October 25, 2021

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
457 October 25, 2021 Informal State Violation/Reminder Notice
459 October 25, 2021 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
457	October 25, 2021	Informal	State Violation/Reminder Notice
459	October 25, 2021	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1322 · Fluoride · Inorganic Chemicals

Noncompliance period start October 1, 2021 · period end December 31, 2021 · first reported February 16, 2022 · EPA return-to-compliance field December 31, 2021

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
460	January 4, 2022	Informal	State Violation/Reminder Notice
461	January 4, 2022	Informal	State Public Notification requested
462	January 4, 2022	Informal	State Public Notification received
522	June 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1320 · Fluoride · Inorganic Chemicals

Noncompliance period start July 1, 2021 · period end September 30, 2021 · first reported November 10, 2021 · EPA return-to-compliance field September 30, 2021

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
454	October 21, 2021	Informal	State Violation/Reminder Notice
455	October 21, 2021	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

Other or unclassified · Resolved
Consumer Confidence Report Complete Failure to ReportViolation 1319 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start July 1, 2021 · period end August 4, 2021 · first reported November 10, 2021 · EPA return-to-compliance field August 4, 2021

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
453 August 4, 2021 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
453	August 4, 2021	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1318 · Fluoride · Inorganic Chemicals

Noncompliance period start April 1, 2021 · period end June 30, 2021 · first reported August 12, 2021 · EPA return-to-compliance field June 30, 2021

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
446	June 23, 2021	Informal	State Violation/Reminder Notice
447	June 23, 2021	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved
Lead Consumer NoticeViolation 1317 · Lead and Copper Rule · Lead and Copper Rule
Noncompliance period start January 1, 2021 · period end January 25, 2021 · first reported March 31, 2021 · EPA return-to-compliance field January 25, 2021

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
443 January 25, 2021 Informal State Violation/Reminder Notice
445 January 25, 2021 Resolving State Compliance achieved
Other or unclassified · Resolved
Consumer Confidence Report Inadequate ReportingViolation 1316 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start October 2, 2020 · period end November 19, 2020 · first reported February 12, 2021 · EPA return-to-compliance field November 19, 2020

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
442 November 19, 2020 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
443	January 25, 2021	Informal	State Violation/Reminder Notice
445	January 25, 2021	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
442	November 19, 2020	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1315 · Fluoride · Inorganic Chemicals

Noncompliance period start January 1, 2020 · period end June 10, 2025 · first reported August 14, 2020 · EPA return-to-compliance field June 10, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
433	June 18, 2020	Informal	State Violation/Reminder Notice
434	June 18, 2020	Informal	State Public Notification requested
522	June 10, 2025	Resolving	State Compliance achieved

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