AZ0410118 · Arizona
WHY DWID
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 16
- EPA health-based flag
- 0
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 14
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 16 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 83.5 days. The interval uses the reporting periods and dates on file.
Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 8373 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start September 1, 2024 · period end October 11, 2024 · first reported November 15, 2024 · EPA return-to-compliance field October 11, 2024
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4335 October 11, 2024 Informal State Violation/Reminder Notice 4337 October 11, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 8369 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start June 1, 2024 · period end July 22, 2024 · first reported August 14, 2024 · EPA return-to-compliance field July 22, 2024
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4326 July 22, 2024 Informal State Violation/Reminder Notice 4328 July 22, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 8368 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start April 1, 2024 · period end June 18, 2024 · first reported August 14, 2024 · EPA return-to-compliance field June 18, 2024
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4320 May 24, 2024 Informal State Violation/Reminder Notice 4323 June 18, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 8367 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start February 1, 2024 · period end March 18, 2024 · first reported May 15, 2024 · EPA return-to-compliance field March 18, 2024
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4317 March 18, 2024 Informal State Violation/Reminder Notice 4319 March 18, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Lead Consumer NoticeViolation 8356 · Lead and Copper Rule · Lead and Copper RuleNoncompliance period start August 25, 2023 · period end February 6, 2024 · first reported March 29, 2024 · EPA return-to-compliance field February 6, 2024
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4314 February 6, 2024 Informal State Violation/Reminder Notice 4316 February 6, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Lead Consumer NoticeViolation 8351 · Lead and Copper Rule · Lead and Copper RuleNoncompliance period start December 1, 2022 · period end February 9, 2023 · first reported February 15, 2023 · EPA return-to-compliance field February 9, 2023
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4301 February 9, 2023 Informal State Violation/Reminder Notice 4303 February 9, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 8338 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts RuleNoncompliance period start July 1, 2022 · period end September 30, 2022 · first reported December 29, 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 4287 October 12, 2022 Resolving State Compliance achieved Monitoring or reporting · Resolved
Initial Tap Sampling for Pb and CuViolation 8324 · Lead and Copper Rule · Lead and Copper RuleNoncompliance period start July 1, 2022 · period end January 23, 2023 · first reported November 16, 2022 · EPA return-to-compliance field January 23, 2023
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4264 August 16, 2022 Informal State Violation/Reminder Notice 4265 August 16, 2022 Informal State Public Notification requested 4294 January 23, 2023 Resolving State Compliance achieved 4308 February 7, 2023 Informal State Public Notification received Other or unclassified · Resolved
Consumer Confidence Report Complete Failure to ReportViolation 8323 · Consumer Confidence Rule · Consumer Confidence RuleNoncompliance period start July 1, 2022 · period end July 15, 2022 · first reported November 16, 2022 · EPA return-to-compliance field July 15, 2022
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4263 July 15, 2022 Resolving State Compliance achieved 4261 July 29, 2022 Informal State Violation/Reminder Notice Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 8321 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start February 1, 2022 · period end March 22, 2022 · first reported May 16, 2022 · EPA return-to-compliance field March 22, 2022
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4253 March 22, 2022 Resolving State Compliance achieved 4254 March 25, 2022 Informal State Violation/Reminder Notice Monitoring or reporting · Resolved
Monitoring, RegularViolation 8322 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2022 · period end March 31, 2022 · first reported May 16, 2022 · EPA return-to-compliance field March 31, 2022
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4258 April 25, 2022 Resolving State Compliance achieved 4256 April 27, 2022 Informal State Violation/Reminder Notice Monitoring or reporting · Resolved
Monitoring, RegularViolation 8320 · 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
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4249 February 11, 2022 Informal State Violation/Reminder Notice 4250 February 11, 2022 Informal State Public Notification requested 4258 April 25, 2022 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 8336 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start September 1, 2021 · period end August 31, 2022 · first reported December 29, 2022 · EPA return-to-compliance field August 31, 2022
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4278 November 18, 2022 Informal State Violation/Reminder Notice 4279 November 18, 2022 Informal State Public Notification requested 4306 February 7, 2023 Informal State Public Notification received 4313 September 13, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 8335 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start September 1, 2021 · period end August 31, 2022 · first reported December 29, 2022 · EPA return-to-compliance field August 31, 2022
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4275 November 18, 2022 Informal State Violation/Reminder Notice 4276 November 18, 2022 Informal State Public Notification requested 4307 February 7, 2023 Informal State Public Notification received 4313 September 13, 2023 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, RegularViolation 8319 · 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
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4248 November 1, 2021 Resolving State Compliance achieved 4246 November 22, 2021 Informal State Violation/Reminder Notice Other or unclassified · Resolved
Consumer Confidence Report Complete Failure to ReportViolation 8318 · Consumer Confidence Rule · Consumer Confidence RuleNoncompliance period start July 1, 2021 · period end July 6, 2021 · first reported November 10, 2021 · EPA return-to-compliance field July 6, 2021
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4245 July 6, 2021 Resolving State Compliance achieved 4243 July 23, 2021 Informal State Violation/Reminder Notice
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