AZ0407039 · Arizona

GRANDVIEW WATER COMPANY

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

Violation records shown: 29
EPA health-based flag: 11
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 11

Counties listed by EPA · Maricopa 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 18 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 65.5 days. The interval uses the reporting periods and dates on file.

EPA health-based flag · Archived
Maximum Contaminant Level Violation, Single SampleViolation 6476 · Nitrate · Nitrate Rule
Noncompliance period start April 1, 2026 · period end June 30, 2026 · first reported August 14, 2026 · EPA return-to-compliance field June 30, 2026
No linked action row appears in the records shown.

EPA health-based flag · Archived

Maximum Contaminant Level Violation, Single SampleViolation 6475 · Nitrate · Nitrate Rule

Noncompliance period start January 1, 2026 · period end March 31, 2026 · first reported May 14, 2026 · EPA return-to-compliance field March 31, 2026

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued
1527	March 9, 2026	Informal	State Violation/Reminder Notice
1528	March 9, 2026	Informal	State Public Notification requested
1529	March 9, 2026	Informal	State Public Notification received

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 6474 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start November 21, 2025 · period end December 30, 2025 · first reported February 13, 2026 · EPA return-to-compliance field December 30, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1523 December 30, 2025 Informal State Violation/Reminder Notice
1524 December 30, 2025 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1523	December 30, 2025	Informal	State Violation/Reminder Notice
1524	December 30, 2025	Resolving	State Compliance achieved

EPA health-based flag · Archived

Maximum Contaminant Level Violation, Single SampleViolation 6473 · Nitrate · Nitrate Rule

Noncompliance period start October 1, 2025 · period end December 31, 2025 · first reported February 13, 2026 · EPA return-to-compliance field December 31, 2025

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued
1518	November 19, 2025	Informal	State Violation/Reminder Notice
1519	November 19, 2025	Informal	State Public Notification requested
1520	November 19, 2025	Informal	State Public Notification received

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 6472 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start September 8, 2025 · period end November 10, 2025 · first reported February 24, 2026 · EPA return-to-compliance field November 10, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1513 November 10, 2025 Informal State Violation/Reminder Notice
1514 November 10, 2025 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1513	November 10, 2025	Informal	State Violation/Reminder Notice
1514	November 10, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring, Routine (RTCR)Violation 6471 · Revised Total Coliform Rule · Revised Total Coliform Rule

Noncompliance period start September 1, 2025 · period end September 30, 2025 · first reported November 17, 2025 · EPA return-to-compliance field September 30, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1509	November 6, 2025	Informal	State Violation/Reminder Notice
1510	November 6, 2025	Informal	State Public Notification requested
1517	November 13, 2025	Resolving	State Compliance achieved

EPA health-based flag · Archived

Maximum Contaminant Level Violation, Single SampleViolation 6470 · Nitrate · Nitrate Rule

Noncompliance period start July 1, 2025 · period end September 30, 2025 · first reported November 17, 2025 · EPA return-to-compliance field September 30, 2025

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued
1505	August 27, 2025	Informal	State Violation/Reminder Notice
1506	August 27, 2025	Informal	State Public Notification requested
1508	August 28, 2025	Informal	State Public Notification received

Other or unclassified · Resolved

Public Notification Violation for NPDWR ViolationViolation 6468 · Public Notice · Public Notice Rule and Revised PN Rule

Noncompliance period start May 10, 2025 · period end June 18, 2025 · first reported August 15, 2025 · EPA return-to-compliance field June 18, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1497	May 10, 2025	Resolving	State Compliance achieved
1498	June 18, 2025	Informal	State Violation/Reminder Notice
1499	June 18, 2025	Resolving	State Compliance achieved

EPA health-based flag · Archived

Maximum Contaminant Level Violation, Single SampleViolation 6469 · Nitrate · Nitrate Rule

Noncompliance period start April 1, 2025 · period end June 30, 2025 · first reported August 15, 2025 · EPA return-to-compliance field June 30, 2025

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued
1501	June 24, 2025	Informal	State Violation/Reminder Notice
1502	June 24, 2025	Informal	State Public Notification requested
1503	June 24, 2025	Informal	State Public Notification received

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 6466 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start March 16, 2025 · period end March 24, 2025 · first reported May 13, 2025 · EPA return-to-compliance field March 24, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1495 March 24, 2025 Resolving State Compliance achieved
1489 May 5, 2025 Informal State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1495	March 24, 2025	Resolving	State Compliance achieved
1489	May 5, 2025	Informal	State Violation/Reminder Notice

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, Single SampleViolation 6465 · Nitrate · Nitrate Rule

Noncompliance period start January 1, 2025 · period end March 10, 2025 · first reported March 31, 2025 · EPA return-to-compliance field March 10, 2025

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1487	March 10, 2025	Resolving	State Compliance achieved
1482	March 14, 2025	Informal	State Violation/Reminder Notice
1483	March 14, 2025	Informal	State Public Notification requested
1484	March 14, 2025	Informal	State Public Notification received
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 6462 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start December 1, 2024 · period end January 3, 2024 · first reported February 18, 2025 · EPA return-to-compliance field January 3, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1470 January 3, 2024 Resolving State Compliance achieved
1468 December 30, 2024 Informal State Violation/Reminder Notice
Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 6461 · Revised Total Coliform Rule · Revised Total Coliform Rule
Noncompliance period start November 1, 2024 · period end December 24, 2024 · first reported February 18, 2025 · EPA return-to-compliance field December 24, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1465 December 24, 2024 Informal State Violation/Reminder Notice
1467 December 24, 2024 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1470	January 3, 2024	Resolving	State Compliance achieved
1468	December 30, 2024	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1465	December 24, 2024	Informal	State Violation/Reminder Notice
1467	December 24, 2024	Resolving	State Compliance achieved

Other or unclassified · Resolved

Consumer Confidence Report Inadequate ReportingViolation 6458 · Consumer Confidence Rule · Consumer Confidence Rule

Noncompliance period start October 2, 2024 · period end March 10, 2025 · first reported February 18, 2025 · EPA return-to-compliance field March 10, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1451	October 17, 2024	Informal	State Violation/Reminder Notice
1452	October 17, 2024	Informal	State Public Notification requested
1481	March 10, 2025	Resolving	State Compliance achieved

EPA health-based flag · Archived

Maximum Contaminant Level Violation, Single SampleViolation 6467 · Nitrate · Nitrate Rule

Noncompliance period start October 1, 2024 · period end December 31, 2024 · first reported May 13, 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
1491	May 8, 2025	Informal	State Violation/Reminder Notice
1492	May 8, 2025	Informal	State Public Notification requested
1493	May 8, 2025	Informal	State Public Notification received
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued

Monitoring or reporting · Resolved

Monitoring, RegularViolation 6463 · Nitrate · Nitrate Rule

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

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1473	February 6, 2025	Informal	State Violation/Reminder Notice
1488	March 10, 2025	Resolving	State Compliance achieved
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued

Monitoring or reporting · Unaddressed by formal action
Report Sample Result/Fail Monitor (RTCR)Violation 6457 · Revised Total Coliform Rule · Revised Total Coliform Rule
Noncompliance period start August 1, 2024 · first reported November 15, 2024

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1445 September 25, 2024 Informal State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1445	September 25, 2024	Informal	State Violation/Reminder Notice

EPA health-based flag · Archived

Maximum Contaminant Level Violation, Single SampleViolation 6460 · Nitrate · Nitrate Rule

Noncompliance period start July 1, 2024 · period end September 30, 2024 · first reported December 31, 2024 · 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
1471	January 3, 2024	Informal	State Public Notification received
1459	November 29, 2024	Informal	State Violation/Reminder Notice
1460	November 29, 2024	Informal	State Public Notification requested
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued

Monitoring or reporting · Resolved

Monitoring, RegularViolation 6459 · Nitrate · Nitrate Rule

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

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1463	November 8, 2024	Informal	State Violation/Reminder Notice
1462	December 12, 2024	Resolving	State Compliance achieved
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, Single SampleViolation 6455 · Nitrate · Nitrate Rule

Noncompliance period start April 1, 2024 · period end June 30, 2024 · first reported August 14, 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
1441	May 10, 2024	Informal	State Violation/Reminder Notice
1442	May 10, 2024	Informal	State Public Notification requested
1443	May 10, 2024	Informal	State Public Notification received
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued

EPA health-based flag · Archived

Maximum Contaminant Level Violation, Single SampleViolation 6454 · Nitrate · Nitrate Rule

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
1435	March 6, 2024	Informal	State Violation/Reminder Notice
1436	March 6, 2024	Informal	State Public Notification requested
1437	March 6, 2024	Informal	State Public Notification received
1496	May 16, 2025	Formal	State Administrative/Compliance Order without penalty issued

Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 6453 · Revised Total Coliform Rule · Revised Total Coliform Rule
Noncompliance period start January 1, 2024 · period end March 4, 2024 · first reported May 15, 2024 · EPA return-to-compliance field March 4, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1431 February 26, 2024 Informal State Violation/Reminder Notice
1434 March 4, 2024 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 6452 · Revised Total Coliform Rule · Revised Total Coliform Rule
Noncompliance period start November 1, 2023 · period end November 30, 2023 · first reported March 29, 2024 · EPA return-to-compliance field November 30, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1427 December 28, 2023 Informal State Violation/Reminder Notice
1439 March 13, 2024 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 6451 · Revised Total Coliform Rule · Revised Total Coliform Rule
Noncompliance period start October 1, 2023 · period end October 31, 2023 · first reported March 29, 2024 · EPA return-to-compliance field October 31, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1423 December 1, 2023 Informal State Violation/Reminder Notice
1440 April 16, 2024 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1431	February 26, 2024	Informal	State Violation/Reminder Notice
1434	March 4, 2024	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1427	December 28, 2023	Informal	State Violation/Reminder Notice
1439	March 13, 2024	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1423	December 1, 2023	Informal	State Violation/Reminder Notice
1440	April 16, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Lead Consumer NoticeViolation 6450 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start January 1, 2023 · period end November 11, 2025 · first reported May 15, 2023 · EPA return-to-compliance field November 11, 2025

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1416	February 17, 2023	Informal	State Violation/Reminder Notice
1418	February 17, 2023	Informal	State Public Notification received
1522	November 11, 2025	Resolving	State Compliance achieved

Other or unclassified · Resolved
Consumer Confidence Report Inadequate ReportingViolation 6449 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start October 2, 2022 · period end August 24, 2023 · first reported February 15, 2023 · EPA return-to-compliance field August 24, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1414 October 24, 2022 Informal State Violation/Reminder Notice
1422 August 24, 2023 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1414	October 24, 2022	Informal	State Violation/Reminder Notice
1422	August 24, 2023	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Treatment Technique, Level 1 Assessment (RTCR)Violation 6447 · Revised Total Coliform Rule · Revised Total Coliform Rule

Noncompliance period start August 14, 2021 · period end June 16, 2022 · first reported August 15, 2022 · EPA return-to-compliance field June 16, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1408	June 16, 2022	Informal	State Violation/Reminder Notice
1410	June 16, 2022	Resolving	State Compliance achieved
1533	June 16, 2022	Informal	State Violation/Reminder Notice
1534	June 16, 2022	Informal	State Public Notification requested

Monitoring or reporting · Resolved
Monitoring, Source Water (GWR)Violation 6448 · E. COLI · Ground Water Rule
Noncompliance period start July 15, 2021 · period end August 24, 2023 · first reported August 15, 2022 · EPA return-to-compliance field August 24, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1411 June 16, 2022 Informal State Violation/Reminder Notice
1421 August 24, 2023 Resolving State Compliance achieved
Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 6446 · Revised Total Coliform Rule · Revised Total Coliform Rule
Noncompliance period start March 1, 2021 · period end May 21, 2021 · first reported May 17, 2021 · EPA return-to-compliance field May 21, 2021

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
1406 April 28, 2021 Informal State Violation/Reminder Notice
1405 May 21, 2021 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1411	June 16, 2022	Informal	State Violation/Reminder Notice
1421	August 24, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
1406	April 28, 2021	Informal	State Violation/Reminder Notice
1405	May 21, 2021	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